BATTERY AND PROCEDURE FOR THE MOUNTING OF THESE AT AN ARTICLE OF CLOTHING

PROCEDURE FOR THE EXAMINATION OF TIGHTNESS OF THE CELLS OF STARTER BATTERIES OF MEANS COMPRESSED AIR.

INTERNAL ELECTRODE AND ASSEMBLY METHOD FOR ELECTRO-CHEMICAL CELLS

GRANULAR ANODE FOR METAL-AIR FUEL CELL BATTERY

A granular zinc fuel structure for deposition in an anode container of a zinc-air battery includes a hollow outer casing defining an interior space filled with an electrolyte. An interior zinc fuel structure in the form of a radial structure or a honeycomb structure or simply comprised of a number of arcuate pieces of zinc is selectively arranged inside the casing. An aperture is defined in the casing and in communication with the interior space wherein when the granular zinc fuel is deposited in the anode container and in contact with the electrolyte of the container to allow for a reaction therebetween, the electrolyte inside the interior space of the casing is allowed to mix with the electrolyte of the container to enhance the reaction. The granular fuel structure is alternatively comprised of a porous body made of zinc, forming a number of voids for containing an electrolyte. The casing is further made by attaching two halves together with openings defined therebetween.

BATTERY PACK FOR USE DOWNHOLE HAVING TORSION-LIMITING MEANS

An elongate battery pack for use in MWD drilling apparatus having torsion damping means at one or both ends thereof to reduce or eliminate "high g" rotational accelerations and decelerations being transmitted from the drill string to the battery pack within the MWD apparatus. In one embodiment the torsion damping means comprises torsion limiting means in the form of an electrical connector which allows electrical communication between the battery pack and remaining components of the MWD apparatus, but which allows relative rotational movement between (i) the MWD apparatus and its associated electrical leads connected to the battery pack, and (ii) the electrical leads in the battery pack connected to the battery therein.

ELECTROCHEMICAL CELL PROTECTED AGAINST [...]-DISCHARGING.

Power battery module

Energy-concerving and environment-protective power battery aluminium shell washs drying line

TOP COVER ASSEMBLY OF SECONDARY BATTERY AND SECONDARY BATTERY

Molten salt battery and method for producing same

In order to provide a molten salt battery that can be charged and discharged stably without requiring, as an essential element, an internal elastic component for achieving contact by pressurization, this molten salt battery is provided with: a molten salt battery body in which positive electrodes and negative electrodes are stacked alternately with separators sandwiched therebetween, the separators containing a molten salt as an electrolyte; and a battery case that is made of a flexible material and that seals and covers the molten salt battery body while exposing only the terminals from the positive electrodes and the negative electrodes. The inside of the battery case is brought into a negative pressure state, and thus, the battery case presses the molten salt battery body in the stacking direction due to the external pressure caused by atmospheric pressure.

With the structured surface of the battery

Case for electrochemical generator

Improvements with the electric batteries

USE Of an ALUMINIUM FOIL TO FIREPROOF a PART AND PART THUS FIREPROOFED

Electrochemical cell protected against self-discharge

La cellule comprend un matériau chimiquement actif 8 et une électrode à diffusion de gaz 10 dans un boîtier formé d'une boîte 2 et d'un couvercle 4 séparé l'un de l'autre par un joint isolant 6. Un orifice 28 est prévu dans la boîte 2 pour laisser le passage au gaz absorbé ou produit par l'électrode à diffusion de gaz. Selon l'invention, une feuille 26 étanche à ce gaz est disposée dans la cellule à proximité du fond de la boîte, pour empêcher une auto-décharge de la cellule. Application aux cellules à gaz, notamment dans le domaine médical, et aux piles zinc-air.

GAS-TIGHT GALVANIC CELL

Electrochemical generator e.g. lithium-ion electrochemical generator, assembling method for battery, involves bracing maintaining element on side wall of cylindrical container of electrochemical generator

스테인리스 강박

... 두께 60㎛ 이하의 극박 스테인리스 강박이더라도 높은 판 두께 정밀도를 확보하고, 소성 변형능과 파단 신율을 동시에 확보하는 것, 즉 양호한 프레스 가공성 (딥 드로잉 가공성)을 제공한다. 본 발명은, 판 두께가 5㎛ 이상 60㎛ 이하인 스테인리스 강박이며, 스테인리스 강박의 재결정율이 90％ 이상 100％ 이하이고, 스테인리스 강박의 표층의 질소 농도가 1.0질량％ 이하이고, 스테인리스 강박의 판 두께 방향으로 결정립을 3개 이상 가지며, 결정립의 평균 결정립경 d가 1㎛ 이상 10㎛ 이하이고, 판 두께를 t[㎛]로 한 경우에, t/3[㎛] 이상의 결정립경을 갖는 결정립이 차지하는 면적률이 20％ 이하인 것을 특징으로 하는 스테인리스 강박이다.

Apparatus and method for sealing pouch case of secondary battery

... 본 발명은 이차 전지의 절연성을 확보하는데 있어서 파우치 케이스의 내측 실링부의 실링 형상 내지 구조가 최적화될 수 있도록 하는 파우치 케이스의 실링 장치 및 실링 방법을 개시한다. 본 발명에 따른 파우치 케이스 실링 장치는 파우치형 이차 전지의 파우치 케이스를 실링하는 장치로서, 상기 파우치 케이스의 실링부 상부에서 하부 방향으로 압력을 가하는 상부 압착 지그; 및 상기 파우치 케이스의 실링부 하부에서 상부 방향으로 압력을 가하는 하부 압착 지그를 포함하되, 상기 상부 압착 지그 및 상기 하부 압착 지그 중 적어도 하나는, 내측 단부와 외측 단부의 상기 파우치 케이스에 대한 가압 깊이가 서로 다르게 구성된다.

전기자동차의 배터리팩용 배터리모듈 제조를 위한 자기소화 성능 개선용 열경화성수지 조성물

... 본 발명은 전기자동차의 배터리팩용 배터리모듈 제조를 위한 자기소화 성능 개선용 열경화성수지 조성물에 관한 것으로, 보다 상세하게는 중국 인증규격인 GBT31467.3의 요구성능중 하나인 파이어 버닝(Fire Burning) 시험시 배터리 폭발이 없고 2분내 자기소화 성능을 만족할 수 있도록 개발된 전기자동차의 배터리팩용 배터리모듈 제조를 위한 자기소화 성능 개선용 열경화성수지 조성물에 관한 것이다.

아연-공기 배터리

... 본 발명은 적어도 하나의 아연-혼입 구조체, 적어도 하나의 산소 방출 구조체 및 적어도 하나의 공기 전극을 포함하는 아연-공기 전제를 제공하되; 상기 아연-공기 전지는 상기 공기 전지의 충전 동안 제1 전극 쌍을 포함하고, 상기 전극 쌍은 상기 적어도 하나의 아연-혼입 구조체 및 상기 적어도 하나의 산소 방출 구조체를 포함하며; 상기 아연-공기 전지는 상기 공기 전지의 방전을 위해 제2 전극 쌍을 포함하고, 상기 전극 쌍은 상기 적어도 하나의 아연-혼입 구조체 및 상기 적어도 하나의 공기 전극을 포함한다.

DUMMY CELL FOR A BATTERY PACK, WHICH REDUCES AMOUNT OF A RESIN FOR MOLDING THE SAME, AND A MOLD FOR PRODUCING THE SAME

PURPOSE: A dummy cell for a battery pack is provided to reduce the amount of a resin for molding a dummy cell and the driving time of a mold required for producing a unit dummy cell, and to increase the productivity of dummy cells per unit time. CONSTITUTION: A dummy cell(1) for a battery pack comprises: a pair of disc portions(10) facing to each other while being spaced apart from each other; a pair of lateral surface portions formed symmetrically to each other based on an imaginary line connecting the centers of the disc portions and connecting partial regions of the circumferential surfaces of the disc portions to each other; and a reinforcing portion(30) formed between the disc portions and the lateral surface portions for supporting the inner surfaces of the disc portions and the inner surfaces of the lateral surface portions. © KIPO 2008 ...

SECONDARY BATTERY

Disclosed is a secondary battery. The secondary battery comprises: an electrode assembly having a first electrode and a second electrode; a case including the electrode assembly; a cap plate coupled to an aperture on the case and having a terminal hole formed thereon; an electrode terminal installed on the cap plate and including a first electrode terminal and a second electrode terminal; and a lead tab including a first collection tab for connecting the electrode assembly to the first electrode terminal and a second collection tab for connecting the electrode assembly to the second electrode terminal. A reinforcement part for fixating a gap between the lead tab and the inside of the case is installed in the case. According to the present invention, the secondary battery prevents occurrence of damage such as modification by shock. COPYRIGHT KIPO 2017 ...

SOLID-STATE BATTERY

A solid-state battery has: a power generation element (5) having a cathode layer (1), a sulfide-based solid electrolyte membrane (2), an anode layer (3) that are stacked in this order; a battery case (6) in which the power generation element is disposed; and a flowable sealant (7) provided in the battery case and being non-reactive with the sulfide-based solid electrolyte membrane, the power generation element being soaked in the flowable sealant. COPYRIGHT KIPO & WIPO 2010 ...

SECONDARY BATTERY

One aspect of the present invention provides a secondary battery capable of maintaining the alignment of the positive and negative poles and a separator of an electrode assembly even if a shape is deformed or bent. The secondary battery according to an embodiment of the present invention comprises: the electrode assembly on which the first electrode, the separator, and the second electrode are stacked and which includes an alignment groove; a case which has flexibility and accommodates the electrode assembly; and an alignment guide which protrudes from the case to accommodate and guide the length change of the electrode assembly due to flexure and is partially combined in the alignment groove. COPYRIGHT KIPO 2016 ...

BATTERY CELL AND DEVICE COMPRISING SAME

The present invention relates to a battery cell which comprises: an electrode assembly with an electrode tab; an electrode lead connected to the electrode tab wherein a coating layer is formed in a portion of the electrode lead; a case configured to accommodate the electrode assembly to allow a portion of the electrode lead, where the coating layer is not formed, to be drawn out to the outside; and an insulation member formed in an area that the electrode lead and the case touch. Therefore, the battery cell can prevent corrosion of the electrode lead due to strong acid generated in a pouch so as to drastically improve durability of the battery cell. COPYRIGHT KIPO 2016 ...

BATTERY CELL HAVING TRANSFORMED LEAD FILM

The present invention provides a battery cell, wherein an outer circumferential surface of a battery case is sealed by heat fusion in a state that an electrode assembly electrically connected with an electrode lead is embedded in an accommodation unit of the battery case, the electrode lead of the electrode assembly protrudes outwardly of the battery case while passing through an outer circumferential surface sealing unit from the accommodation unit of the battery case in a state that lead films are attached to both sides of the electrode lead of the electrode assembly, and a lower end portion of the lead film protruding from the outer circumferential surface sealing unit of the battery case in a direction of the accommodation unit has relatively narrower width, compared to an upper end portion of the lead film protruding outwardly from the outer circumferential surface sealing unit of the battery case. Accordingly, the efficiency of a manufacturing process of a battery cell can be improved ...

전지용 포장 재료

... 적어도 기재층, 금속층, 및 실란트층이 순차 적층된 적층체를 포함하고, 상기 적층체는, MD 방향에 있어서의 40% 신장 시의 응력/10％ 신장 시의 응력의 값 A와, TD 방향에 있어서의 40% 신장 시의 응력/10％ 신장 시의 응력의 값 B의 합 (A+B)가 A+B≥2.50의 관계를 충족하는, 전지용 포장 재료.

BATTERY PACK CASE AND BATTERY PACK COMPRISING SAME

Provided are a battery pack case having a changed structure for improving the welding process of an electrode terminal and a bus bar, and a battery pack comprising the same. The battery pack case according to the present invention includes a support part arranged on at least one side of a secondary battery; a bus bar which is arranged in the support part and is electrically connected to the electrode terminal of the secondary battery; and a groove which is located on the lower end of the bus bar and is lower than an adjacent part to form a step. The battery pack case according to the present invention is formed in the support part and may further include an outlet connected to the groove in the end part exposed to the outside. COPYRIGHT KIPO 2016 ...

BATTERY CELL MANUFACTURING METHOD

According to the present invention, a battery cell manufacturing method includes the steps of: (a) encasing an electrode assembly in a pouch case; (b) injecting an electrolyte through a first extension unit of the pouch case; (c) sealing the first extension unit; (d) proceeding charging and discharging operations; (e) forming a de-gas hole on the first extension unit to discharge the gas generated in the pouch case; and (f) taping the area having the de-gas hole. The present invention can prevent micro-cracks from forming during a pouch-type battery cell, thereby enhancing the quality of the manufactured battery cell. COPYRIGHT KIPO 2016 (AA) Discharge gas ...

축전 장치용 외장재

... 적어도 기재층, 제1 접착제층, 한쪽 또는 양쪽의 면에 부식 방지 처리층이 설치된 금속박층, 제2 접착제층 또는 접착성 수지층, 및 실란트층이 이 순서로 적층된 구조를 갖는 축전 장치용 외장재이며, 실란트층이, (A) 프로필렌-에틸렌 랜덤 공중합체 60 내지 95질량％와, (B) 1-부텐을 공단량체로 하는 융점 150℃ 이하의 폴리올레핀계 엘라스토머를 5 내지 40질량％ 함유하는 수지 조성물에 의해 형성된 층을 포함하는, 축전 장치용 외장재.

ELECTRODE ASSEMBLY COMPRISING BI-CELL AND FULL-CELL AND SECONDARY BATTERY COMPRISING SAME

The present invention relates to a stacking/folding type electrode assembly having a structure of rolling a plurality of unit cells with a sheet type separation film, wherein each unit cell has a separation layer interposed between a positive electrode and a negative electrode. Each of the positive electrode and the negative electrode is formed by applying an electrode compound including an electrode active material to a current collector. In addition, the unit cells have one full-cell and at least three bi-cells. The electrodes forming an outer surface of the electrode assembly in the outermost unit cells of the electrode assembly are composed of single-sided electrodes which do not have the electrode compound coated on the current collector facing the outer surface. When stored in a battery case, the electrode assembly does not have a problem of changing the design of the battery case and can have consistent results of stability tests such as a nail penetration test, or the like, on both ...

SYSTEM AND METHOD OF ALTERING TEMPERATURE OF AN ELECTRICAL ENERGY STORAGE DEVICE OR AN ELECTROCHEMICAL ENERGY GENERATION DEVICE USING HIGH THERMAL CONDUCTIVITY MATERIALS

ENERGY STORAGE DEVICE, ENERGY STORAGE UNIT, METHOD OF MANUFACTURING ENERGY STORAGE DEVICE, AND METHOD OF MANUFACTURING COVER PLATE

THERMOSETTING RESIN COMPOSITION FOR ENHANCING SELF-EXTINGUISHING PERFORMANCE FOR BATTERY MODULE FOR BATTERY PACK OF ELECTRIC VEHICLE

The present invention relates to a thermosetting resin composition for enhancing self-extinguishing performance for manufacturing a battery module for a battery pack of an electric vehicle. More particularly, the present invention relates to a thermosetting resin composition for enhancing self-extinguishing performance for manufacturing a battery module for a battery pack of an electric vehicle developed to satisfy self-extinguishing performance within two minutes without a battery explosion during a fire burning test, which is one of Chinese performance requirements GBT31467.3. COPYRIGHT KIPO 2018 (AA) Before certification test (BB) After certification test ...

BIOMEDICAL ENERGIZATION ELEMENTS WITH POLYMER ELECTROLYTES

Clam shell form biomedical device batteries

BATTERY CASE HAVING IMPROVED THERMAL CONDUCTIVITY

The present invention discloses is a battery case, comprising a base case and an insert as two parts of the exterior case. The base case is formed of a first polymeric material and the insert is formed of a second polymeric material, wherein the second polymeric material has a higher thermal conductivity than the first polymeric material. The second polymeric material may comprise a base polymer and at least one thermally conductive filler, such as ceramic, glass or carbon fiber. The base polymer of the second polymeric material may be selected from the group consisting of polyphenylene ether, polystyrene, polypropylene, polyphenylene sulfide and the ceramic filler may be selected from the group consisting of alumina, fused silica, a glass ceramic sold under the trademark MACOR®, boron nitride, silicon nitride, boron carbide, aluminum nitride, silicon carbide, zirconia and combinations thereof. The first polymeric material may be selected from the group consisting of polyphenylene ether ...

BATTERY MODULE

A battery module comprises a plurality of secondary batteries and a battery cover, wherein: the secondary batteries are disposed adjacent to each other; each of the secondary batteries has a battery case having a wall portion equipped with an open valve that is constructed so as to open when the inner pressure of the battery case rises up to a threshold value; and the battery cover faces the wall portion. The battery cover has a plurality of cover members provided side by side in a direction toward which the secondary batteries are disposed adjacent to each other. The cover members include at least adjacent first and second cover members. The first cover member has a first edge portion and the second cover member has a second edge portion overlapped with the first edge portion.

FAIL SAFE DAMAGE RESISTANT BATTERY MATRIX

A battery matrix provided with a plurality of battery cells; each of the battery cells provided with a positive terminal and a negative terminal. A positive trace grid and a negative trace grid, each provided as a conductive mesh with an array of apertures forming a plurality of alternative conductive paths across each of the positive and negative trace grids. Each of the battery cells coupled at the positive terminal to a positive trace pad of the positive trace grid and at the negative terminal to a negative trace pad of the negative trace grid. Alternatively, an intermediate trace grid may be introduced so that successive rows of the battery cells are coupled electrically in series with one another.

ACCUMULATOR WITH PLASTIC HOUSING

An accumulator has a gas- and liquid-tight housing filled with an electrolyte in which are arranged electrodes mutually separated by a separator. The electrodes are electrically connected to pole contacts accessible from the outside of the housing. In order to facilitate the manufacture of such accumulators and to obtain an accumulator housing that remains permanently and reliably tight, the housing consists in the area of the pole contacts of a soft and of a hard plastic material solidly bound to each other. The soft plastic material seals the pole contacts and/or the passage of the pole contacts.

ENERGY STORAGE APPARATUS

An energy storage apparatus includes: one or more energy storage devices; an outer covering arranged outside the one or more energy storage devices; a partition member arranged on a side of any one of the one or more energy storage devices; and a supporter which supports the partition member at a predetermined position. The supporter is formed of a heat resistant member.

SECONDARY BATTERY WITH ADVANCED SAFETY

Disclosed herein is a secondary battery constructed in a structure in which an electrode assembly having a cathode/separator/anode arrangement is mounted in a battery case made of a laminate sheet including a resin layer and a metal layer, electrode taps of the electrode assembly are coupled to corresponding electrode leads, and the electrode assembly is sealed in the battery case while electrode leads are exposed to the outside of the battery case, wherein a protective film is attached to coupling regions between the electrode taps and the electrode leads for sealing the coupling regions between the electrode taps and the electrode leads. The secondary battery according to the present invention is constructed in a structure in which the coupling regions are sealed by the protective film, unlike a conventional secondary battery constructed in a structure in which the coupling regions between the electrode taps and the electrode leads are exposed in the battery case. As a result, the electrode ...

Accumulator with plastic casing

So that an accumulator having a gas-tight and liquid-tight, electrolyte-filled casing in which are arranged electrodes which are separated from each other by a separator and which are each electrically connected to pole contacts accessible from the outside of the casing can be produced in an advantageous manner from the point of view of the manufacturing procedure, wherein the accumulator is to have a durably and reliably sealed casing which is not restricted in terms of its shape, it is provided that in the region of the pole contacts the casing comprises a soft plastic material and a hard plastic material which are fixedly connected together, the soft plastic material forming a seal for the pole contacts and/or the feed-through ducting means of the pole contacts.

Electric storage battery with valve metal electrodes

Electric storage batteries with titanium or other film forming metal anodes and cathodes are provided. The anodes are coated with mixed oxide coatings of a film forming metal oxide containing a platinum group metal oxide catalyst, which coatings may contain oxides of other metals to alter the breakdown voltage and increase the oxygen overpotential of the cathodes while preserving a low bromine and chlorine overpotential. The cathodes may be uncoated titanium or other film forming metals or film forming metals with a silver coating thereon. Bipolar film forming metal cathodes and anodes are provided carrying a mixed oxide coating on the cathodic face and either no coating or a silver coating on the anodic face. The invention is applicable to all types of electric storage batteries, either primary or secondary, and multiple batteries may be connected in series or in parallel to provide the desired amperage and voltage characteristics.

BATTERY, HOUSING STRUCTURE, METHOD FOR PROTECTING A CELL, MOVABLE OBJECT AND KIT THEREOF

A battery includes a housing including a cell accommodating part, a cell accommodated in the cell accommodating part, and a temperature regulating element configured to regulate an ambient temperature within the cell accommodating part.

Battery pack and method of manufacturing the same

ПРИЗМАТИЧЕСКИЙ ЛИТИЙ-ИОННЫЙ АККУМУЛЯТОР С КАТОДОМ НА ОСНОВЕ НИКЕЛЬ-МАРГАНЕЦ-КОБАЛЬТ ОКСИДА ЛИТИЯ (LiNi1/3Mn1/3Co1/3O2)

Полезная модель относится к перезаряжаемым литиевым электрохимическим источникам тока, а именно к литий-ионным аккумуляторам (ЛИА). Техническим результатом предлагаемой полезной модели ЛИА является создание конструкции ЛИА, обладающей большой удельной энергоемкостью и высоким уровнем безопасности. Призматический литий-ионный аккумулятор с катодом на основе никель-марганец-кобальт оксида лития (LiNi1/3Mnl/3Co1/3O2), включающий призматический тянутый металлический корпус, внутри которого размещен электродный блок из последовательно чередующихся отрицательных и положительных электродов, разделенных сепаратором, и электролит, расположенный в свободном объеме внутри корпуса, анод, приваренный к отрицательному токовыводу, катод, приваренный к положительному токовыводу, отличающийся тем, что анод представляет собой медную фольгу с нанесенной на нее активной массой, состоящей из графита, поливинилиденфторида и углерода при следующем соотношении компонентов (масс. %): графит - 92-95; поливинилиденфторид ...

EMBEDDED ONE 3D-MOLEHOLE-CROSSBAR-ARCHITEKTUR FOR an ELECTRO-CHEMICAL MOLECULAR STORAGE FACILITY

BATTERY LUGGAGE AND MANUFACTURING PROCESS FOR IT

EMBEDDED ONE 3D-MOLEHOLE-CROSSBAR-ARCHITEKTUR FOR an ELECTRO-CHEMICAL MOLECULAR STORAGE FACILITY

Electrode package, in particular for gas-tight locked button cells

BATTERY CASE HAVING IMPROVED THERMAL CONDUCTIVITY

... ²²²The present invention discloses is a battery case, comprising a base case and ²an insert as two parts of the exterior case. The base case is formed of a ²first polymeric material and the insert is formed of a second polymeric ²material, wherein the second polymeric material has a higher thermal ²conductivity than the first polymeric material. The second polymeric material ²may comprise a base polymer and at least one thermally conductive filler, such ²as ceramic, glass or carbon fiber. The base polymer of the second polymeric ²material may be selected from the group consisting of polyphenylene ether, ²polystyrene, polypropylene, polyphenylene sulfide and the ceramic filler may ²be selected from the group consisting of alumina, fused silica, a glass ²ceramic sold under the trademark MACOR~, boron nitride, silicon nitride, boron ²carbide, aluminum nitride, silicon carbide, zirconia and combinations thereof. ²The first polymeric material may be selected from the group consisting of ²polyphenylene ...

COIN CELL BATTERY EMPLOYING CONCAVE SHAPED CONTAINER PIECES

COIN CELL BATTERY EMPLOYING CONCAVE SHAPED CONTAINER PIECES Concave shaped pieces can be employed for coin cell battery containers in order to apply significant preloading pressure to the solid contents of the battery. The preloading pressure may be effective in counteracting an increase in internal pressure of the battery during operation. In certain lithium ion coin cell batteries, the invention is used to effectively arrest an increase in battery thickness after assembly.

Film coating system of lithium battery

Adhesive composition for electrochemical element, adhesive layer for electrochemical element, and electrochemical element

Polyolefin-based adhesive composition

Battery can and battery

Secondary battery module

The storage element, the storage device, the storage element manufacturing method, and manufacturing method of the cover plate

Case for electrochemical generator

Electric generator of traction

Improvements in the electric batteries

Dry battery without leakage

Sealed lead cell for a storage battery - with separators between positive and negative electrode strips of specified porosity and thickness and self supporting (BE300476)

BATTERY UNIT WITH MEANS FOR REGULATING THE TEMPERATURE INTEGRATED PACKAGE AT

La présente invention a pour objet une unité de batterie (1), notamment pour véhicule automobile hybride et/ou électrique, comprenant une pluralité de cellules regroupées physiquement et/ou électriquement en plusieurs modules, un boîtier logeant et entourant lesdites cellules et des moyens de régulation de la température desdites cellules par circulation de fluide caloporteur. Unité de batterie (1) caractérisée en ce que le boîtier est réalisé en un matériau plastique et est constitué par un bac inférieur (6), avec un fond et des parois latérales, et par un couvercle supérieur (7), assemblés périphériquement, et en ce qu'au moins le bac (6) comporte des moyens (5) de distribution/collecte et de circulation du fluide caloporteur qui sont intégrés structurellement dans le corps dudit bac (6), en étant formés au moins partiellement d'un seul tenant avec lui.

Doll-shaped charger for charging rechargeable battery for power supply of e.g. smartphone for outdoor use, has conducting part including terminal connected to negative pole, and another terminal mounted on seat and corresponding to chamber

La présente invention fournit un chargeur en forme de poupée compact et portable avec une apparence amusante, en particulier pour une utilisation en extérieur. Il a les caractéristiques suivantes ; une conformation d'apparence intéressante et spécifique, un corps de poupée (1) comprenant un espace de réception principal (10) et un espace de réception secondaire (20), une prise de recharge (2) située dans l'espace de réception principal (10) et à travers la surface du corps de poupée (1) pour le branchement d'une ligne d'alimentation d'un dispositif électronique portable, un boîtier (3) de batteries modulaire situé dans l'espace secondaire de réception (20) et reliée électriquement à la prise de recharge (2) et une carte à circuit imprimé (4), électriquement connectée à la prise de recharge (2) et apte à délivrer la puissance électrique de la batterie à un dispositif électronique portable.

TROUGH BATTERY HAVING A SHARP EDGE AND MOTOR VEHICLE COMPRISING SUCH A BATTERY TRAY

활물질

... 일 실시형태에 따르면, 전지용 활물질이 제공된다. 활물질은 활물질 입자를 함유한다. 활물질 입자는 화학식 Ti1-xM1xNb2-yM2yO7로 표시되는 화합물을 포함한다. 이 활물질 입자는, 활물질의 입자의 X선 회절법에 의해 얻어지는 X선 회절 패턴에서, (110) 면에 귀속되고 23.74 내지 24.14˚ 범위의 2θ에서 나타나는 피크 A, (003) 면에 귀속되고 25.81 내지 26.21˚ 범위의 2θ에서 나타나는 피크 B, 및 (-602) 면에 귀속되고 26.14 내지 26.54˚ 범위의 2θ에서 나타나는 피크 C를 갖는다. 피크 A의 강도 IA, 피크 B의 강도 IB, 및 피크 C의 강도 IC는 관계식 (1): 0.80 ≤ IB/IA ≤ 1.12; 및 관계식 (2): IC/IB ≤ 0.80을 만족한다.

플렉서블 전지 어셈블리

... 본 발명에 따른 플렉서블 전지 어셈블리는 전지가 수용되는 외장재부(110); 및 상기 외장재부(110)에 형성된 포밍부(120);를 포함하며, 상기 플렉서블 전지 어셈블리는 상기 포밍부(120)에 의해 반복되는 굴곡 형상을 갖는 것을 특징으로 한다. 상기 전지는, 섬유 층 또는 고분자 필름 층(210), 접착제 층(220), 집전체 층(230), 활물질 층(240)으로 구성된 전극 조립체 혹은 집전체 층(230), 활물질 층(240)으로 구성된 전극 조립체가 단면 방향 내지 양면 방향으로 적층된 구조인 것을 특징으로 한다. 상기 외장재는 금속 박 기반의 다층 구조체 또는 상기 다층 구조체에 섬유 층 내지 고분자 층 중 어느 하나 이상이 추가로 라미네이션 되는 적층 구조체인 것을 특징으로 한다.

Polypropylene-based resin composition Multilayer film and monolayer and multilayer film

Cylindrical Li Secondary Battery

이차 전지

... 본 발명의 일 측면은 내압 상승시, 맴브레인과 단락탭의 단락 상태에서 아크에 의한 영향으로 맴브레인의 오작동을 방지하는 이차 전지를 제공하는 것이다. 본 발명의 일 실시예에 따른 이차 전지는, 충전 및 방전 작용하는 전극 조립체, 상기 전극 조립체를 내장하는 케이스, 상기 케이스의 개구를 밀폐하는 캡 플레이트, 상기 캡 플레이트에 관통 설치되어 상기 전극 조립체에 전기적으로 연결되는 음극단자와 양극단자, 및 상기 양극단자에 전기적으로 연결되는 상기 캡 플레이트의 단락홀을 밀폐하는 맴브레인과, 상기 음극단자에 전기적으로 연결되어 상기 맴브레인과 이격되는 단락탭을 포함하는 외부 단락부를 포함하고, 상기 캡 플레이트는 상기 양극단자의 측방 내면에 형성되는 절곡 유도홈을 구비한다.

SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Provided are a secondary battery and a manufacturing method thereof. The secondary battery comprises: a first and a second pouch substrate adhered to face each other; a first current collector and a second current collector formed on an inner side of the first pouch substrate and the second pouch substrate respectively; a first electrode and a second electrode formed on the first current collector and the second current collector respectively; an electrolyte layer formed between the first electrode and the second electrode; and a charging line extended from the first current collector or the second current collector to one end of the first pouch substrate or the second pouch substrate. COPYRIGHT KIPO 2016 ...

POUCH TYPE SECONDARY BATTERY AND METHOD OF FABRICATING SAME

Provided are a pouch-type secondary battery, which can be folded or bent to be applied to various shaped products and can represent high cooling efficiency, and a method of fabricating the same. In the pouch-type secondary battery according to the present invention, two electrode assemblies are coupled to each other in a vertical direction to be in contact with each other on one share sealing surface as the share sealing surface is formed on a lateral side of each electrode assembly. In particular, the pouch-type secondary battery is folded about the share sealing surface, so that the electrode assemblies are stacked one another in surface contact. The pouch-type secondary battery includes a cooling member interposed between the stacked electrode assemblies, and the cooling member preferably protrudes in a size greater than that of the electrode assemblies. COPYRIGHT KIPO 2016 ...

연소에 대해 개선된 안전성을 갖는 LI-이온 배터리

... 본 발명은, 전기화학적 활성 영역 및 그를 위한 인클로저(enclosure)를 갖는 Li-이온 배터리를 변경하는 단계를 포함하는 방법을 제공하며, 상기 방법은 상기 전기화학적 활성 영역으로부터 분리된 적어도 하나의 챔버를 상기 인클로저 내에 형성하는 단계와, 상기 챔버 내에 연소 약화제(combustion abatement agent)를 위치시키고, 이로써 상기 연소 약화제가 상기 전기화학적 활성 영역과 접촉하지 않게 하는 단계를 포함하며; 상기 챔버는 감압성 또는 감열성이고, 이로써 상기 전기화학적 활성 영역이 과열될 때 상기 챔버가 파손되어, 상기 연소 약화제가 상기 전기화학적 활성 영역과 접촉하게 하여 상기 전기화학적 활성 영역의 연소를 약화시키고, 연소 약화제의 예는 액체 플루오로폴리에테르를 포함하는 조성물이고, 감압성 또는 감열성을 나타내는 챔버의 예는 챔버의 구성 재료에 저융점, 불연성 중합체, 예를 들어 폴리비닐 알코올을 포함하는 것이다.

전지 외장용 스테인리스 박 및 그 제조방법

... 코로나 방전과 같은 특수 처리를 하지 않고도, 냉열 충격 후 및 전해액 침지 후의 수지와의 밀착성이 우수한 전지 외장용 스테인리스 박을 제공한다. 전지 외장용 스테인리스 박(1)은 수산화물로서 존재하는 금속 원소를 35mol% 이상, SiO2를 40mol% 이하 함유하고, 두께가 2nm 이상인 산화 피막(1a)을 가지며, 압연 방향에 직교하는 방향의 산술평균거칠기(Ra)가 0.02μm 이상 0.1μm 미만이다.

RECHARGEABLE BATTERY

전지용 포장 재료, 그의 제조 방법, 전지 및 폴리에스테르 필름

... 배리어층과, 상기 배리어층의 일방면측에 위치하는 열융착성 수지층과, 상기 배리어층의 타방면측에 위치하는 폴리에스테르 필름을 구비하는 적층체를 포함하는 전지용 포장 재료에 있어서, 성형성을 향상시키면서 성형 후의 컬을 억제하는 기술을 제공한다. 적어도, 배리어층과, 상기 배리어층의 일방면측에 위치하는 열융착성 수지층과, 상기 배리어층의 타방면측에 위치하는 폴리에스테르 필름을 구비하는 적층체로 구성되어 있고, 푸리에 변환 적외 분광법의 전반사법을 이용하여 상기 폴리에스테르 필름의 표면 상에 대하여 0°에서 180°까지 10° 간격으로 18방향의 적외 흡수 스펙트럼을 취득한 경우에, 당해 적외 흡수 스펙트럼의 1340㎝-1에 있어서의 흡수 피크 강도 Y1340과 1410㎝-1에 있어서의 흡수 피크 강도 Y1410의 비(Y1340/Y1410)의 최댓값 Ymax 및 최솟값 Ymin의 비(표면 배향도: Ymax/Ymin)가 1.4 내지 2.7의 범위에 있는, 전지용 포장 재료.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY COMPRISING SAME

According to the present invention, an electrode assembly comprises: a first electrode having a first electrode active part and a first electrode uncoated part protruding from the first electrode active part; a second electrode having a second electrode active part and a second electrode uncoated part protruding from the second electrode active part; and a separator which insulates between the first electrode and the second electrode. Further, the electrode assembly comprises slits which are respectively positioned on the first electrode active part and the second electrode active part between the first electrode uncoated part and the second electrode uncoated part and are formed in a direction parallel to a direction in which the first electrode uncoated part and the second electrode uncoated part are protruding. COPYRIGHT KIPO 2018 ...

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY CATHODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME

... [Problem] To provide a means for realizing improvements in cycle characteristics and for suppressing electrode deterioration resulting from nonuniform voltage across an electrode plane in a high-capacity, large-area non-aqueous electrolyte secondary battery that includes a lithium nickel compound oxide as a cathode active material. [Solution] A non-aqueous electrolyte secondary battery cathode for use in a non-aqueous electrolyte secondary battery, the rated capacity of which is greater than or equal to 3 Ah, and for which the ratio of battery area (the projected area of the battery including the battery casing) to rated capacity is greater than or equal to 5cm2/Ah, the cathode having a cathode collector and a cathode-active-material layer formed on the surface of the cathode collector, the cathode-active-material layer including a cathode active material that includes a lithium nickel compound oxide and a spinel lithium manganese compound oxide. The non-aqueous electrolyte secondary battery ...

MOLTEN SALT BATTERY AND METHOD FOR PRODUCING SAME

In order to provide a molten salt battery that can be charged and discharged stably without requiring, as an essential element, an internal elastic component for achieving contact by pressurization, this molten salt battery is provided with: a molten salt battery body in which positive electrodes and negative electrodes are stacked alternately with separators sandwiched therebetween, the separators containing a molten salt as an electrolyte; and a battery case that is made of a flexible material and that seals and covers the molten salt battery body while exposing only the terminals from the positive electrodes and the negative electrodes. The inside of the battery case is brought into a negative pressure state, and thus, the battery case presses the molten salt battery body in the stacking direction due to the external pressure caused by atmospheric pressure.

BATTERY PACK ELECTRONIC EQUIPMENT CHAMBER AND BATTERY PACKAGE COMPRISING SAME

The present invention relates to an electronic equipment chamber and a battery package comprising the same. An electronic equipment chamber according to an aspect may comprise an electronic equipment chamber board on which at least one electronic component of a current sensor, a relay, and a fuse is arranged; a control unit arranged at the center of the electronic equipment chamber board to control the electronic component; and a plurality of busbars arranged along the outer side of the electronic equipment chamber board at a distance from the control unit and connected to the electronic component. A battery package according to an aspect may comprise a battery pack electronic equipment chamber comprising an electronic equipment chamber board on which at least one electronic component of a current sensor, a relay, and a fuse is arranged and a plurality of busbars arranged along the outer side of the electronic equipment chamber board and connected to the electronic component; and a battery ...

RECTANGULAR SECONDARY BATTERY

The purpose of the present invention is to provide a rectangular secondary battery having increased rigidity against vibration and impact. This rectangular secondary battery (1) has a flat electrode group (40), a current collecting plate (21) which is electrically connected to the electrode group (40), a battery can (4) which houses the current collecting plate (21) and the electrode group (40), a battery lid (3) which closes the opening (4a) of the battery can (4), an electrode terminal (61) which is provided so as to penetrate through the battery lid (3) and which is connected to the current collecting plate (21) through a connection member, and a gasket (66) which is disposed between the electrode terminal (61) and the battery lid (3) and which insulates and seals between the electrode terminal (61) and the battery lid (3). An insulating body (65) is provided between the current collecting plate (21) and the battery lid (3). The battery lid (3) has a battery lid-side affixation section ...

METHOD OF MANUFACTURING CLADDING FOR LAMINATED BATTERY

A method of manufacturing cladding for a laminated battery according to the present invention has, as the material thereof, an austenite stainless steel foil (32) that has a thermoplastic resin layer (30) formed on one face of the front/back faces thereof and has a lubrication film (31) formed on the other face of the front/back faces thereof. In this method, the stainless steel foil (32) is arranged so that the face on which the thermoplastic resin layer (30) is formed is opposed to a punch (42), and drawing is executed onto the stainless steel foil (32) without using lubricating oil, in a state wherein the temperature of a ring-shaped area (32a) of the stainless steel foil (32) with which a shoulder section (42d) of the punch (42) comes in contact is set to be not more than 20°C, and the temperature of an area (32b) outside the ring-shaped area (32a) is set to be not less than 40°C and not more than 100°C.

GAS-TIGHT ALKALINE ACCUMULATOR WITH A VALVE ASSEMBLY

A gas-tight alkaline accumulator (1) has a housing (2) at least partially made of plastics in which are arranged electrodes (6) that are mutually separated by a separator (4) and surrounded by an electrolyte. The electrodes are connected to the pole contact (8) for supplying and carrying-away electric current. In order to increase the operational safety of this accumulator and to avoid other disadvantages, a valve (9) is provided with an opening (10) that extends through the housing of the accumulator and with a deformable element (11) that clears the opening when an overpressure builds up within the housing and closes the opening when the overpressure has fallen.

RECHARGEABLE BATTERY HAVING A WALL ELEMENT AND WALL ELEMENT THEREFOR

The invention relates to a rechargeable battery comprising a battery housing which has a cell cavity, or several cell cavities separated by dividing walls. One or more of the cell cavities have at least one respective positive and negative electrode, separated from each other by at least one separator and a liquid electrolyte. One or more of the cell cavities have a respective wall element, which partitions the respective cell cavity into at least two volume chambers which communicate with one another. At least in the lower regions of the volume chambers, a communicating connection between the volume chambers for the liquid electrolytes is provided and in the upper region of the volume chambers, a pressure compensation connection between the volume chambers for assuring equal air pressure in the volume chambers communicating chambers is provided. Also disclosed is a wall element for such a rechargeable battery, and a battery housing. 1. A rechargeable battery having a battery housing , which has a cell cavity or a plurality of cell cavities separated from one another by partition walls , wherein a positive and a negative electrode , separated from one another by at least one separator , and liquid electrolyte is provided in one or more of the cell cavities , and a wall element is also provided in one or more of the cell cavities , said wall element dividing the respective cell cavity into at least two volumes communicating with one another , wherein , in the lower region of the volumes , a communicating connection is provided between the volumes for the liquid electrolyte , and , in the upper region of the volumes , a pressure compensation connection is provided between the volumes in order to ensure an equal air pressure in the volumes communicating with one another , characterized in that the wall element is formed as a separate component that can be inserted into a cell cavity and that , in the wall portion located to the front during insertion of the wall ...

BATTERY ASSEMBLY HAVING PCBA WITH CELL MONITORING AND WELDING ASSEMBLY FEATURES

A battery assembly includes a battery cell, conductive bus bar, and printed circuit board assembly (PCBA). A cell tab of the battery assembly has a first portion extending from a perimeter edge of a pouch and a second portion arranged orthogonally with respect to the first portion. The bus bar defines a tab slot through which the first portion extends, and has a major surface adjacent to the second portion. The PCBA defines an elongated welding window orthogonal to a longitudinal axis of the PCBA. The PCBA is mounted over the bus bar such that surface area of the second portion is exposed through the welding window, and in turn is welded to the bus bar through and within the welding window. A spring element may be positioned between the carrier frame and the PCBA. A method of making the battery assembly is also provided.

RECHARGEABLE BATTERY

A rechargeable battery includes an electrode assembly including a first electrode and a second electrode, a case for accommodating the electrode assembly, a cap plate in an opening of the case to seal the case, and electrode terminals electrically coupled to the electrode assembly, each electrode terminal having a rivet terminal extending through a terminal hole in the cap plate, a first end of the rivet terminal being electrically coupled to the electrode assembly, and a second end of the rivet terminal protruding out of the cap plate and including a protruding portion, and a conductive terminal coupled to the protruding portion of the rivet terminal, the conductive terminal and the protruding portion of the rivet terminal including different metals.

LITHIUM BATTERY COMPRISING AN IONIC LIQUID ELECTROLYTE

FLAT SEALED BATTERY

PURPOSE: To enable favorable welding without doing damage to a glass layer by setting the outer diameter of a positive electrode terminal and the length from the contact face with a glass layer to the peripheral end when a metallic plate constituting a body is unfolded horizontally into specific dimensions, respectively. CONSTITUTION: A battery is composed of a negative electrode 1, consisting of Li, a positive electrode 2 consisting of carbonic porous compact, a separator 3, electrolyte 4, a battery vessel 5 made of stainless steel, a battery cover 6 having a positive electrode terminal 7 made of a stainless steel, a glass layer 8, and a body 9 made of stainless steel, a positive electrode current collector 10, an insulator 11, and an electrolyte injection port 12. The axis part 13a of a sealing pin 13 is inserted into the injection port 12, and the head part 13b of the sealing pin 13 is welded to the upper face 7a of the positive electrode terminal 7 so as to seal them. Though by the ...

非水電解液二次電池

Способ нанесения газопоглотительного слоя на корпус химического источника тока

Изобретение относится к электротехнике и касается производства химических источников тока. Цель изобретения - уменьшение брака. Способ состоит в нанесении газопоглотительного покрытия на корпус химического источника тока путем пиролиза в вакууме предельных углеводородов, например гептана, при температурах 500 - 1050°С. В процессе осаждения образуется пленка углерода, имеющая псевдографитовую структуру. Процесс нанесения пленки сопровождается диффузией углерода вглубь металла корпуса, что обеспечивает хорошую адгезию пленки к корпусу и в последующем повышенный ресурс источника. Незначительная толщина пленки приводит к улучшению удельных характеристик.

POUCH-TYPE BATTERY WITH IMPROVED SAFETY BY COATING SEALING UNIT WITH FLAME RETARDANT AND HEAT RESISTANT RESIN COMPOSITION PREPARED BY MIXING FLAME RETARDANT MATERIAL AND HEAT RESISTANT MATERIAL TO THERMOPLASTIC RESIN OR THERMOSETTING RESIN AND PRODUCTION METHOD THEREOF

The present invention relates to a pouch-type lithium secondary battery comprising: an electrode assembly which includes an anode, a separator, and a cathode; and a pouch which has a groove for accommodating the electrode assembly and an edge of which the upper and lower parts are formed in a flange type by being bonded around the groove, wherein in at least a part of the edge that is formed in the flange type, an end of the edge is covered by a flame retardant and heat resistant resin composition wherein a flame retardant material and a heat resistant material are mixed to a thermoplastic resin or a thermosetting resin, thereby improving safety. 1. A pouch-type lithium secondary battery with improved safety comprising: an electrode assembly which includes an anode , a separator and a cathode; and a pouch which has a groove for accommodating the electrode assembly and an edge formed in a flange type by being bonded around the groove , wherein in at least a part of the edge , an end of the edge is covered by a flame retardant and heat resistant resin composition prepared by mixing a flame retardant material and a heat resistant material to a thermoplastic resin or a thermosetting resin.2. The pouch-type lithium secondary battery with improved safety of claim 1 , wherein the flame retardant and heat resistant resin composition prepared by mixing the flame retardant material and the heat resistant material to the thermoplastic resin or the thermosetting resin is formed to cover the entire end of the edge except for parts where electrode taps installed on the anode and the cathode are extracted in the pouch.3. The pouch-type lithium secondary battery with improved safety of claim 1 , wherein the flame retardant and heat resistant resin composition prepared by mixing the flame retardant material and the heat resistant material to the thermoplastic resin or the thermosetting resin is formed to a flame retardant and heat resistant tape.4. The pouch-type lithium secondary ...

FILM-PACKAGED ELETRIC DEVICE

To provide a film-packaged battery in which battery element formed by collectively joining a plurality of positive and negative extending portions and to positive and negative electrode leads and for each polarity, is surrounded by laminate films and which are formed by laminating at least heat fusion layer and metal layer Protection member having a melting point lower than that of heat fusion layer is arranged at least between each of joining portions and of positive and negative electrode extending portions and and heat fusion layer of laminate film which layer face the each of joining portions and 1. A film-packaged electric device comprising:an electric device element that has a positive lead, positive electrode plates, positive electrode extending portions that lead out from each of said positive electrode plates, a negative lead, negative electrode plates, negative electrode extending portions that lead out from each of said negative electrode plates, and separators, wherein said positive and negative electrode plates are alternately laminated via the separator, said positive electrode extending portions are collectively joined to said positive lead, and said negative electrode extending portions are collectively joined to said negative lead; anda package film that has a metal layer and a heat fusion layer that is formed on one side of the metal layer, which is configured to surround the electric device element with the heat fusion layer facing inward, and configured such that the heat fusion layers that face each other in a periphery of the package film are heat-fused to each other; anda protection member arranged between a first joining portion that is a portion of the positive electrode extending portion joined to the positive electrode lead and a portion of the heat fusion layer which covers an area of at least the first joining portion, or arranged between a second joining portion that is a portion of the negative electrode extending portion joined to the ...

Surface-Treated Metal Sheet and Process for Producing Formed Article from the Surface-Treated Metal Sheet

Provided are a surface-treated metal sheet which includes a nickel layer having improved corrosion resistance and a method of manufacturing a formed article. In a surface-treated metal sheet where a nickel layer is formed on a substrate, the proportion of (200) planes to a total of (111) planes, (200) planes, (220) planes and (311) planes with respect to the crystal plane orientations of the nickel layer is set to 40% or less. In a method of manufacturing a formed article using a surface-treated metal sheet where a nickel layer is formed on a substrate, the surface-treated metal sheet having the nickel layer where the proportion of (200) planes to a total of (111) planes, (200) planes, (220) planes and (311) planes is set to 40% or less with respect to the crystal plane orientations of the nickel layer is worked using a mold. 1. A surface-treated metal sheet where a nickel layer is formed on a substrate , wherein an orientation rate of (200) planes with respect to the crystal plane orientations of the nickel layer is set to 40% or less.2. The surface-treated metal sheet according to claim 1 , wherein the nickel layer is a dull nickel layer.3. The surface-treated metal sheet according to claim 1 , wherein a metal layer is formed as a layer below the nickel layer.4. The surface-treated metal sheet according to claim 1 , wherein a metal layer is formed as a layer above the nickel layer.5. The surface-treated metal sheet according to claim 1 , wherein the substrate is a steel sheet.6. The surface-treated metal sheet according to claim 5 , wherein the surface-treated metal sheet is a steel sheet for forming a battery can.7. The surface-treated metal sheet according to claim 5 , wherein the surface-treated metal sheet is a steel sheet for forming a pipe.8. A method of manufacturing a formed article using a surface-treated metal sheet where a nickel layer is formed on a substrate claim 5 , wherein the surface-treated metal sheet having the nickel layer where an orientation ...

BATTERY AND METHOD OF MANUFACTURING BATTERY

The present invention maintains a power generating element in a flat shape as far as possible to thereby improve workability in a manufacturing process. In a battery including a power generating element formed into a flat shape and housed in a container, the power generating element formed by winding a foil-shaped positive electrode plate 24and a foil-shaped negative electrode plate 24with separator 25 sandwiched therebetween, about a winding core 21 having flexibility, a thin-plate-shaped member TP having higher rigidity than the winding core is attached to at least one of opposite end portions in a direction of a winding axis of the winding core 21. 1. A battery comprising a power generating element formed into a flat shape and housed in a container , the power generating element formed by winding a foil-shaped positive electrode plate and a foil-shaped negative electrode plate , with a separator sandwiched therebetween , about a winding core having flexibility ,wherein a thin-plate-shaped member having higher rigidity than the winding core is attached to at least one of opposite end portions in a direction of a winding axis of the winding core.2. The battery according to claim 1 , wherein the thin-plate-shaped is bent together with the winding core claim 1 , at least to a bent portion of at least one of the opposite end portions in the direction of the winding axis of the winding core.3. The battery according to claim 1 , wherein a non-coating portion not applied with an active material is formed at one of end portions in a width direction of at least one of the foil-shaped positive electrode plate and the foil-shaped negative electrode plate claim 1 ,the non-coating portion is in the state of protruding in the direction of the winding axis from the separator and is wound about the winding core, andthe non-coating portions are bundled and fixed to the thin-plate-shaped member.4. The battery according to claim 3 , wherein the thin-plate-shaped members are attached ...

ENERGY STORAGE CELL

An energy storage cell has a cell body with an areal expansion in an extension plane, with four side faces bounding a circumference of the area of extent and having each two of the side faces parallel to one another. A conductor electrode and a second electrode are disposed on one of the side faces symmetrically in the direction of the circumference of the extension plane relative to a center of the corresponding side face. A line from a contact point between an inward facing edge of the electrodes to a center point of the extension plane encloses an angle λ of 10°<λ<36° with the corresponding side face. The center of the side face and/or a contact point of an outward facing edge of the electrodes forms an angle β about the center point of the extension plane of 8°<β<45° with the corresponding side face with said center. 111-. (canceled)12. An energy storage cell , comprising:a cell body extending two-dimensionally in an extension plane and having four lateral planes arranged along a circumference of the extension plane, with two of said lateral planes extending in each case parallel to one another and with the extension plane having a center point;first and second conductor electrodes disposed symmetrically on one of said lateral planes with respect to a center of said one lateral plane in a circumferential direction of the extension plane, each said conductor electrode having an edge facing toward said center and an edge averted from said center;said electrodes forming a facing contact point where the edge of said conductor electrode facing toward said center contacts said one lateral plane, and said electrodes forming an averted contact point where the edge of said conductor electrode averted from said center contacts said one lateral plane; andwherein one or both of the following is true:said facing contact point including with said center of said one lateral plane an angle λ about said center point of the extension plane of 10°<λ<36°;said averted contact point ...

Electricity supply system and electricity supply element thereof

An electricity supply system and electricity supply element thereof is provided. The electricity supply system is made of a plurality of electricity supply elements by stacking or rolling. Each electricity supply element includes a substrate, two current collector layers and two active material layers. The substrate has a plurality of holes and the current collector layers, the active material layers are disposed on two sides respectively. Therefore, the ion migration is permitted by the holes and the electricity is outputted by the current collector layers. Hence, by this new structure of the electricity supply element, the resistance is decreased.

FLEXIBLE BATTERY AND METHOD FOR PRODUCING THE SAME

Disclosed is a flexible battery including a sheet-like electrode group, an electrolyte, and a housing with flexibility enclosing the electrode group and electrolyte. The housing includes a film material folded into two in which the electrode group is inserted. The film material has two facing portions respectively facing two principal surfaces of the electrode group, a fold line which is between the two facing portions and along which the film material is folded, and two bonding margins respectively set around the two facing portions. The two bonding margins are bonded to each other into a bonded portion. At least the two facing portions of the film material are formed in a corrugated shape having a plurality of ridge and valley lines arranged in parallel to each other. The ridge lines in one of the two facing portions are overlapped with the valley lines in the other. The fold line is parallel to the ridge and valley lines. 1. A flexible battery comprising a sheet-like electrode group , an electrolyte , and a housing with flexibility enclosing the electrode group and the electrolyte , whereinthe housing includes a film material folded into two in which the electrode group is inserted;the film material has two facing portions respectively facing two principal surfaces of the electrode group, a fold line which is between the two facing portions and along which the film material is folded, and two bonding margins respectively set around the two facing portions;the two bonding margins are bonded to each other into a bonded portion;at least the two facing portions of the film material are formed in a corrugated shape having a plurality of ridge lines and a plurality of valley lines arranged in parallel to each other, and the ridge lines in one of the two facing portions are overlapped with the valley lines in the other of the two facing portions; andthe fold line is parallel to the ridge lines and the valley lines.2. The flexible battery according to claim 1 , ...

FLEXIBLE ENVELOPE TYPE BATTERY AND ELECTRICALLY CONDUCTIBLE SEALING STRUCTURE THEREOF AND ASSEMBLING METHOD THEREOF

A flexible-envelope type battery and an electrically conductible sealing structure thereof and an assembling method thereof are provided. The battery includes an electrode pair, a flexible envelope and a pair of electrically conductible sealing structures. Each sealing structure includes a conductive terminal and a fixed member. The conductive terminal includes a bottom board and a protruding block, for conducting an electric current from the electrode pair to the outside. The bottom board is disposed within the flexible envelope and combined with the electrode pair. The protruding block is disposed on the bottom board for passing through and protruding from an upper surface of the flexible envelope. The fixed member is for tightly fixing the flexible envelope and the conductive terminal. 1. An electrically conductible sealing structure of a flexible-envelope type battery , the battery comprising a flexible envelope and an electrode pair enveloped in the flexible envelope , the sealing structure comprising: a bottom board disposed within the flexible envelope and combined with the electrode pair; and', 'a protruding block disposed on the bottom board, for passing through and protruding from an upper surface of the flexible envelope; and, 'a conductive terminal comprising 'a clamp component having a first clamping portion, a second clamping portion and a bending portion, wherein the bending portion connects the first clamping portion and the second clamping portion, the first clamping portion is disposed around the protruding block and attached on the upper surface of the flexible envelope, and the second clamping portion is attached onto a lower surface of the flexible envelope.', 'a fixed member for tightly fixing the flexible envelope and the conductive terminal, the fixed member comprising2. The sealing structure according to further comprising:an internal sealing gasket disposed within the flexible envelope and between the flexible envelope and the conductive ...

LITHIUM CELLS AND BATTERIES WITH IMPROVED STABILITY AND SAFETY, METHOD FOR THE PRODUCTION THEREOF, AND APPLICATION IN MOBILE AND STATIONARY ELECTRICAL ENERGY ACCUMULATORS

The invention relates to a battery comprising an electrode separator arrangement filled with an electrolyte, characterised in that the electrode separator arrangement is at least partially covered with a casting compound (FIG. ). The invention also relates to a method for producing such a battery. 1. A battery , comprising an electrolyte and an electrode-separator arrangement , at least partly encased with a potting compound.2. The battery of claim 1 , wherein the electrode-separator arrangement has been wound or laid claim 1 , or has been stacked from at least two unit cells.3. The battery of claim 1 , wherein the potting compound comprises at least one casting resin selected from the group consisting of a polyurethan claim 1 , a one-component epoxy resin claim 1 , a two-component epoxy resin claim 1 , and a mixture thereof.4. The battery of claim 1 , wherein output conductors project at least partly out of a casing formed by the potting compound.5. The battery of claim 1 , wherein the electrode-separator arrangement claim 1 , which is situated within a casing formed by the potting compound claim 1 , is coupled mechanically with an electrical connection claim 1 , electromagnetically claim 1 , or both claim 1 , to at least one further functional element selected from the group consisting of a heat sink claim 1 , control electronics claim 1 , and an RFID element.6. A process for producing the battery of claim 1 , the process comprising:(a) securing at least one electrode-separator arrangement;(b) encasing the at least one electrode-separator arrangement with at least one reactant of a potting compound; and(c) curing, polymerizing, or both curing and polymerizing, the encased electrode-separator arrangement to obtain a battery.7. The process of claim 6 , further comprising claim 6 , after the securing (a):{'sub': '2', '(a2) compacting the at least one electrode-separator arrangement by pressurization with at least one inert gas selected from the group consisting of CO ...

POWER STORAGE DEVICE AND MANUFACTURING METHOD THEREFOR

A power storage device having: a laminated body formed by providing a separator layer between a first electrode which is one of a cathode and an anode and a second electrode which is the other electrode; an electrolyte; and a package which houses the laminated body and the electrolyte. At least two first electrode composite sheets are included which are each obtained by integrating a first collector electrode, a first electrode active material layer provided on one principal surface of the first collector electrode, and a separator layer covering at least part of the one principal surface, and the other principal surface of the first collector electrode of one first electrode composite sheet out of the at least two first electrode composite sheets is opposed to, and bonded to, the other principal surface of the first collector electrode of the other first electrode composite sheet. 1. A power storage device , comprising:a laminated body having a first electrode and a second electrode;an electrolyte; anda package which houses the laminated body and the electrolyte,wherein at least one of the first electrode and the second electrode include at least two first electrode composite sheets, each of the at least two first electrode composite sheets including a first collector electrode, a first electrode active material layer on a first surface of the first collector electrode, and a first separator layer covering at least part of the first surface of the first collector electrode, andwherein, of the at least two first electrode composite sheets, the respective first surfaces of each of the first collector electrodes are opposed to, and bonded to, each other.2. The power storage device according to claim 1 , wherein the at least one of the first electrode and the second electrode further include a second electrode composite sheet comprising a second collector electrode claim 1 , a second electrode active material layer on a second surface of the second collector electrode ...

BATTERY ELECTRODE, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK

According to one embodiment, a battery electrode includes an active material layer and a current collector is provided. The active material layer contains particles of a monoclinic β-type titanium complex oxide and particles of a lithium titanate having a spinel structure. When a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method, a first peak Pappears in a range of 0.3 μm to 3 μm and a second peak Pappears in a range of 5 μm to 20 μm in the frequency distribution diagram. The ratio F/Fof the frequency Fof the first peak Pto the frequency Fof the second peak Pis 0.4 to 2.3. 1. A battery electrode comprising an active material layer and a current collector , wherein;the active material layer contains particles of a monoclinic β-type titanium complex oxide and particles of a lithium titanate having spinel structure;{'sub': 1', '2, 'a first peak Pappears in a range of 0.3 μm to 3 μm and a second peak Pappears in a range of 5 μm to 20 μm in a particle size frequency distribution diagram when a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method; and'}{'sub': P1', 'P2', 'P1', '1', 'P2', '2, 'the ratio F/Fof the frequency Fof the first peak Pto the frequency Fof the second peak Pis 0.4 to 2.3.'}2. The battery electrode according to claim 1 , wherein;a peak P(020) appears in the range of 48.0° to 49.0° and a peak P(001) appears in the range of 12° to 16° in a powder X-ray diffraction diagram when the electrode is subjected to measurement by a powder X-ray diffractometry using a Cu-Kα ray source; and{'b': 1', '1, 'the ratio I(020)/I(001) of intensity I(020) of the peak P(020) to intensity I(001) of the peak P(001) is 0.89 to ..'}3. The battery electrode according to claim 1 , wherein the active material layer has a pore volume of 0.20 ml/g to 0.25 ml/g.4. The battery electrode ...

ELECTRODE, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK

According to one embodiment, an electrode includes a current collector, an active material-containing layer, a first peak, a second peak and a pore volume. The active material-containing layer contains an active material having a lithium absorption potential of 0.4 V (vs. Li/Li) or more. The first peak has a mode diameter of 0.01 to 0.1 μm in a diameter distribution of pores detected by mercury porosimetry. The second peak has a mode diameter of 0.2 μm (exclusive) to 1 μm (inclusive) in the diameter distribution of pores. The pore volume detected by the mercury porosimetry is within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector. 1. An electrode comprising:a current collector;{'sup': '+', 'an active material-containing layer formed on the current collector and containing an active material having a lithium absorption potential of 0.4 V (vs. Li/Li) or more;'}a first peak having a mode diameter of 0.01 to 0.1 μm in a diameter distribution of pores detected by mercury porosimetry;a second peak having a mode diameter of 0.2 μm (exclusive) to 1 μm (inclusive) in the diameter distribution of pores; anda pore volume detected by the mercury porosimetry within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector.2. The electrode according to claim 1 ,wherein the active material comprises a titanium composite oxide having a monoclinic system β-type structure.3. The electrode according to claim 2 ,{'sup': '2', 'wherein a specific surface area detected by a BET method of the titanium composite oxide is within a range of 1 to 30 m/g.'}4. The electrode according to claim 2 ,wherein the titanium composite oxide is in a form of secondary particles comprising aggregation of fibrous primary particles.5. The electrode according to claim 4 ,wherein a diameter of the fibrous primary particles is within a range of 0.1 to 10 μm, and a diameter of the secondary particles is ...

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

It is an object to provide a nonaqueous electrolyte secondary battery whose battery characteristics can be considerably improved by considerably improving the dispersibility of a carbon conductive agent and forming a good conductive network, and a method for producing the nonaqueous electrolyte secondary battery. A polyvinylpyrrolidone polymer serving as a dispersant and a polyglycerin-condensed ricinoleic acid ester are mixed with N-methyl-2-pyrrolidone serving as a dispersion medium, and then acetylene black is added thereto to prepare a carbon slurry. Subsequently, a positive electrode active material and a binder are mixed with the carbon slurry to prepare a positive electrode active material slurry. A positive electrode is produced using the positive electrode active material slurry, and then a nonaqueous electrolyte secondary battery is produced using the positive electrode 1. A carbon slurry comprising N-methyl-2-pyrrolidone serving as a dispersion medium and a carbon conductive agent , a polyvinylpyrrolidone polymer serving as a dispersant , and a nonionic surfactant that are included in the N-methyl-2-pyrrolidone.2. The carbon slurry according to claim 1 , wherein the nonionic surfactant includes a fatty acid ester surfactant.3. The carbon slurry according to claim 2 , wherein the fatty acid ester surfactant is a ricinoleic acid ester.4. The carbon slurry according to claim 3 , wherein the ricinoleic acid ester is a polyglycerin-condensed ricinoleic acid ester.5. The carbon slurry according to claim 1 , wherein the nonionic surfactant includes a higher alkyl ether surfactant.6. The carbon slurry according to claim 5 , wherein the higher alkyl ether surfactant is a polyoxyethylene alkyl ether.7. The carbon slurry according to claim 1 , wherein the carbon conductive agent includes carbon black.8. A method for preparing a carbon slurry comprising mixing a carbon conductive agent claim 1 , a polyvinylpyrrolidone polymer serving as a dispersant claim 1 , and a ...

EXPLOSION-PROOF SECONDARY BATTERY

An explosion-proof secondary battery includes a shell, an anode cap, a sealing ring, and a separating structure. The shell defines an opening on the top, and the shell comprises a crimping portion extending from the opening; the anode cap is disposed in the opening and latched with the crimping portion; the sealing ring is configured to seal a gap between the anode cap and the crimping portion; and a separating structure is disposed in the gap, and the separating structure resists the sealing ring; wherein the gap is remained when the sealing ring is melted, the anode cap is fixed to the shell by the crimping portion. In the explosion-proof secondary battery, due to the separating structure resisting the sealing ring, there is a gap between the anode cap and the periphery of the crimping portion of the shell, the internal gas of the explosion-proof secondary battery may successfully exhaust from the gap. Therefore, the internal air pressure of the explosion-proof secondary battery is decreased, and the separating structure prevents the explosion-proof secondary from exploding. 1. An explosion-proof secondary battery comprising:a shell defining an opening and comprising a crimping portion extending from the opening;a cell disposed in the shell;an anode cap disposed on the opening;a sealing ring disposed in the opening and sleeving on the periphery of the anode cap; anda separating structure resisting the sealing ring;wherein the crimping portion covers the sealing ring and fixes the anode cap to the shell.2. The explosion-proof secondary battery according to claim 1 , wherein the separating structure is a gasket claim 1 , the gasket resisting between the sealing ring and the crimping portion claim 1 , or the gasket resisting between the sealing ring and the anode cap claim 1 , or the gasket inserting into the sealing ring.3. The explosion-proof secondary battery according to claim 2 , wherein the gasket may be made of metal.4. The explosion-proof secondary battery ...

Light-Weight Bipolar Valve Regulated Lead Acid Batteries and Methods Therefor

Light-weight VRLA batteries comprise a thin lead substrate that is supported by non-conductive, preferably plastic frames that provide structural stability to accommodate stress and strain in the bipole assembly. In particularly preferred batteries, the plastic frames are laser welded together and phantom grids and electrode materials are coupled to the respective sides of the lead substrate. Where the phantom grid is an ultra-thin lead grid, the lead grid is preferably configured to provide a corrosion reserve of less than 10 charge-discharge cycles and the bipole assembly is charged in an in-tank formation process. Where the phantom grid is a non-conductive grid, the lead grid is preferably a plastic grid and the bipole assembly is charged in an in-container formation process. Consequently, weight, volume, and production costs are significantly reduced while specific energy is substantially increased. 1. A bipolar electrode assembly , comprising:a first non-conductive frame defining a first window, wherein the first frame is coupled to a second non-conductive frame defining a second window;a lead foil disposed between and coupled to the first and second frames such that opposite first and second sides of the lead foil are accessible through the first and second windows, respectively;wherein at least one of the first and second non-conductive frames further comprises an enhanced adhesive comprising a viscosity modifier and a coupling agent, wherein the enhanced adhesive is positioned between the lead foil and the at least one of the first and second non-conductive frames;a first phantom grid coupled to a positive electrode material, wherein the first grid and the positive electrode material are positioned in the first window and are conductively coupled to the first side of the lead foil; anda second phantom grid coupled to a negative electrode material, wherein the second grid and the negative electrode material are positioned in the second window and are ...

ENERGY STORAGE ELEMENT

A non-aqueous electrolyte secondary battery including: a container; an electrode assembly housed in the container; an electrode terminal provided at the container; and a current collector which electrically connects the electrode terminal and the electrode assembly, wherein the container includes a wall having (i) an outer surface with a protrusion part formed to be protrude outward and (ii) an inner surface with a recess part formed corresponding in position to the protrusion part when the protrusion parts is formed, and the current collector includes a base part connected to the electrode terminal in the recess part and an arm part which extends from the base part in the direction opposite to the protrusion direction of the protrusion part, and is connected to the electrode assembly. 1. An energy storage element comprising:a container;an electrode assembly housed in the container;an electrode terminal provided at the container; anda current collector which electrically connects the electrode terminal and the electrode assembly,wherein the container includes a wall having an outer surface and an inner surface, the outer surface having a protrusion part formed to protrude outward from the outer surface, and the inner surface having a recess part formed at a position corresponding to a position of the protrusion part, andthe current collector includes:a base part connected to the electrode terminal in the recess part; andan arm part which extends from the base part in a direction opposite to a protrusion direction of the protrusion part, and is connected to the electrode assembly.2. The energy storage element according to claim 1 ,wherein the recess part has a bottom surface, and a side surface continuously formed between the bottom surface and the inner surface of the wall of the container,the base part includes:a plate-shaped plate part formed along the bottom surface; andpaired first wall parts formed continuously from opposing sides of the plate part such that ...

CELL PHONE BATTERY SYSTEM WITH BACK-UP RESERVE

The invention relates to a cell phone battery pack and a method of providing backup battery power to a cell phone. The cell phone battery pack is configured to be positioned within a cell phone. The battery pack includes a first battery, a second battery and a means to allow switching between the first battery and the second battery for powering the cell phone. The first battery and the second battery may differ in one or both of size and capacity. 123.-. (canceled)24. A cell phone battery pack comprising two batteries joined together , wherein the two batteries are of the same size and each has a different capacity.25. A cell phone battery pack comprising two batteries joined together , wherein the two batteries differ in size and each has the same capacity.26. A cell phone battery pack comprising two batteries joined together , wherein the two batteries differ in size and in capacity.27. The cell phone battery pack of claim 26 , wherein each battery is defined by a top surface claim 26 , an opposite bottom surface claim 26 , and four edge surfaces positioned between the top surface and the bottom surface claim 26 , and a first edge surface of a first battery is in contact with a first edge surface of a second battery.28. The cell phone battery pack of claim 26 , wherein the two batteries are joined together by one or more of a tape claim 26 , a band claim 26 , by interlocking claim 26 , an adhesive claim 26 , and an adhesive strip.29. The cell phone battery pack of claim 26 , wherein the each battery contains an electrical terminal configured to be in electrical connection with electrical contacts in a cell phone in which the battery pack is placed.30. The cell phone battery pack of claim 29 , wherein two of the four edge surfaces of each battery are positioned as ends of the battery claim 29 , the other two of the four edge surfaces are positioned as side surfaces connecting the two end surfaces claim 29 , and the electrical terminal of each of the batteries is ...

BUTTON CELL COMPRISING A COATED EXTERIOR

A button cell includes a housing including a cell cup and having an exterior electrically non-conductive coating, a cell cover and a seal which isolates the cell cup and the cell cover from one another. 119-. (canceled)20. A button cell comprising:a housing comprising a cell cup and having an. exterior electrically non-conductive coating, a cell cover and a seal which isolates the. cell cup and the cell cover from one another.21. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating comprises at least one organic-component.22. The button cell as claimed claim 20 , in claim 20 , wherein the electrically non-conductive coating comprises at least one organic component on a polymer basis.23. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating comprises an organic/inorganic hybrid component based on an ormocer.24. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating comprises parylene.25. The button cell as claimed in claim 20 , wherein an exterior of the housing has one or more uncoated subareas essentially free of the electrically non-conductive coating.26. The button cell as claimed in claim 20 , wherein the button cell has a easing housing section which is provided at least in places with the electrically non-conductive coating.27. The button cell as claimed in claim 20 , wherein the button cell has a flanged area covered by the electrically non-conductive coating.28. The button cell as claimed in claim 20 , wherein the electrically non-conductive coating has a thickness of between 1 μm and 200 μm.29. The button cell as claimed in claim 20 , wherein the -electrically non-conductive coating has at least one dye and/or at least one pigment.30. The button cell as claimed in claim 20 , wherein the button cell is a rechargeable button cell.31. The button cell as claimed in claim 20 , wherein the button cell is a nickel metal-hydride button cell.32. The button cell ...

ELECTROCHEMICAL DEVICE

[Object] To provide an electrochemical device that permits a thin package, as well as securely prevents an electrolyte or gas in an internal space from leaking outside even when temperature rise occurs in the electrochemical device during the process where the electrochemical device is reflow soldered to a circuit board or encapsulated into an IC card. 1. An electrochemical device having an electric storage element encapsulated in a package , the package comprising:(1) a first terminal plate comprising:a frame section having a through hole formed therein; anda terminal section integrated with the frame section and protruding externally from the frame section;(2) a second terminal plate comprising:a frame section having a through hole formed therein; anda terminal section integrated with the frame section, disposed at a position different from the position of the terminal section of the first terminal plate, and protruding externally from the frame section;(3) a frame plate having a through hole corresponding to the through holes of the first and second terminal plates and disposed between one surface of the frame section of the first terminal plate and one surface of the frame section of the second terminal plate;(4) a first cover plate disposed on the other surface of the frame section of the first terminal plate so as to cover the through hole of the first terminal plate; and(5) a second cover plate disposed on the other surface of the frame section of the first terminal plate so as to cover the through hole of the second terminal plate,wherein sum of thicknesses of the first and second terminal plates and the frame plate is substantially equal to thickness of the electric storage element,and the electric storage element is encapsulated in an internal space formed of the through holes of the frame sections of the first and second terminal plates and the through hole of the frame plate, between both cover plates,and part of the terminal section of the first ...

BATTERY EXTERIOR BODY, METHOD OF MANUFACTURING BATTERY EXTERIOR BODY, AND LITHIUM SECONDARY BATTERY

A battery exterior body which can be easily manufactured without additional process by heat-sealing internal layers of battery exterior materials, and has a high degree of safety with respect to gas generated in the inside of the exterior body, a method of manufacturing the battery exterior body, and a lithium secondary battery are provided. The battery exterior body is a battery exterior body which is formed by heat-sealing internal layers of battery exterior materials formed by laminating an external layer including a heat-resistant resin film, a metal foil layer , and the internal layer in this order, and has a sealing strength between the heat-sealed internal layers of 20 N/15 mm of width to 50 N/15 mm of width. 1. A battery exterior body formed by heat-sealing internal layers of battery exterior materials formed by laminating an external layer including a heat-resistant resin film , a metal foil layer , and an internal layer in this order ,wherein a sealing strength between the heat-sealed internal layers is 20 N/15 mm of width to 50 N/15 mm of width.2. The battery exterior body as claimed in claim 1 ,wherein the internal layer is made of a mixture of a polypropylene resin A having propylene as a polymerization unit thereof and a polyethylene resin B having ethylene and an α-olefin as a polymerization unit thereof.3. The battery exterior body as claimed in claim 2 ,wherein an amount of the polypropylene resin A in the mixture is 95 mass % to 99 mass %.4. The battery exterior body as claimed in claim 2 ,wherein a particle size of the polyethylene resin B is in a range of 0.5 μm to 5 μm.5. The battery exterior body as claimed in claim 2 ,wherein the polypropylene resin A is a propylene homopolymer or a copolymer of propylene and ethylene, andthe polyethylene resin B has ethylene and an cc-olefin having three or more carbon atoms as the polymerization unit thereof.6. The battery exterior body as claimed in claim 1 ,wherein one or more of the external layer and the ...

BATTERY MODULE AND ITS ADHESIVE STRAP

The disclosure discloses a method for manufacturing a battery shell applicable to an electronic device. The method includes providing a metal substrate, a metal implanting component including a connecting part disposed thereon; bonding the metal implanting component to the metal substrate; and forming a plastic component on the metal substrate by an insert molding process. The plastic component covers the metal implanting component. By bonding the plastic component to the bonding part of the metal implanting component, the bonding strength is enforced. 1. A method for manufacturing a battery shell applicable to an electronic device , comprising:providing a metal substrate, and a metal implanting component including a bonding part disposed thereon;bonding the metal implanting component to the metal substrate; andforming a plastic component on the metal substrate by an insert molding process;wherein the plastic component covers the metal implanting component, and the plastic component is bonded to the bonding part of the metal implanting component.2. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a through hole.3. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a protruding rib.4. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a hook.5. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a groove.6. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the metal implanting component is implanted in the metal substrate by spot welding.7. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the metal implanting ...

ELECTROLYTE SOLVENT CONTAINING IONIC LIQUIDS

Binary solvents that may be useful as electrolyte solvents for nonaqueous battery systems, such as lithium ion batteries are described. The electrolyte solvents consist of two components, an ionic liquid (preferably containing a fluorinated anion) and a fluoroether. Electrolyte compositions comprising the electrolyte solvents and electrochemical cells comprising the electrolyte compositions are also described. 1. A composition of matter consisting of at least one ionic liquid and at least at least one fluoroether.3. A composition according to wherein an ionic liquid comprises a fluorinated anion.4. A composition according to wherein a fluoroether is represented by the structure of the formula R—O—R; wherein Rand Rare each independently a Cto Clinear or branched alkyl group claim 1 , and wherein at least one of Ror Rcontains at least one fluorine atom.5. A composition according to wherein an ionic liquid is present in the composition at a concentration greater than about 1×10M but less than about 1×10M.6. A composition according to wherein a fluorinated anion is selected from one or more members of the group consisting of tetrafluoroborate claim 3 , tetrafluoroethanesulfonate claim 3 , [BF4]- claim 3 , [PF6]- claim 3 , [SbF6] claim 3 , [CF3SO3]- claim 3 , [HCF2CF2SO3]- claim 3 , [CF3HFCCF2SO3]- claim 3 , [HCClFCF2SO3]- claim 3 , [(CF3SO2)2N]— claim 3 , [(CF3CF2SO2)2N]— claim 3 , [(CF3SO2)3C]— claim 3 , [CF3CO2]- claim 3 , [CF3OCFHCF2SO3]- claim 3 , [CF3CF2OCFHCF2SO3]- claim 3 , [CF3CFHOCF2CF2SO3]- claim 3 , [CF2HCF2OCF2CF2SO3]- claim 3 , [CF21CF2OCF2CF2SO3] claim 3 , [CF3CF2OCF2CF2SO3]- claim 3 , [(CF2HCF2SO2)2N]— claim 3 , [(CF3CFHCF2SO2)2N]— claim 3 , and F—.7. A composition according to wherein a fluorinated anion is selected from one or more members of the group consisting of 1 claim 3 ,1 claim 3 ,2 claim 3 ,2-tetrafluoroethanesulfonate; 2-chloro-1 claim 3 ,1 claim 3 ,2-trifluoroethanesulfonate; 1 claim 3 ,1 claim 3 ,2 claim 3 ,3 claim 3 ,3 claim 3 ,3- ...

LITHIUM ION BATTERY OUTER COVER MATERIAL

According to the present invention, a lithium ion battery outer cover material that has superior resistance to electrolytes without chromate treatment, has superior deep drawing formability and high quality, and can be produced easily is provided. The lithium ion battery outer cover material () of a first embodiment of the present invention has a base material layer (), first adhesive layer () containing an adhesive, aluminum foil layer (), corrosion prevention treated layer (), second adhesive layer () containing an adhesive or adhesive resin, and sealant layer () laminated in that order. The base material layer () is a film base material in which the difference (α) of the elasticity (α) to the yield point and the elasticity (α) to the rupture point as measured according to JIS-K7127 is 100% or greater in at least one of the MD direction and TD direction. 1. A lithium ion battery outer cover material , comprising:{'b': 1', '2, 'sequentially laminating onto one side of a base material layer (SB) a first adhesive layer (AD-) containing an adhesive, an aluminum foil layer (AL) provided with a corrosion prevention treated layer (CL) on at least one side thereof, a second adhesive layer (AD-) containing an adhesive or adhesive resin, and a sealant layer (SL); wherein,'}the base material layer (SB) has a film base material (A) as indicated below:{'b': 2', '1', '1', '2, 'film base material (A): film base material in which the difference (α−α) between elasticity to the yield point (α) and elasticity to the rupture point (α) as measured according to JIS-K7127 is 100% or more in at least one of the MD direction and TD direction.'}2. The lithium ion battery outer cover material according to claim 1 , wherein stress at the rupture point of the film base material (A) as measured according to JIS-K7127 is 100 MPa or more.312. The lithium ion battery outer cover material according to claim 1 , wherein the film base material (A) is a biaxially drawn film base material composed of ...

BATTERY PACK OF COMPACT STRUCTURE

Disclosed herein is a battery pack including a battery cell array including two or more battery cells, each of which has an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, arranged in the lateral direction, a protection circuit module (PCM) connected to the upper end of the battery cell array to control the operation of the battery pack, a pack case in which the battery cell array and the protection circuit module are disposed, and a spacer mounted between the pack case and the battery cell array to provide a space accommodating the increase in thickness of the battery cell array during charge and discharge of the battery pack. 1. A battery pack comprising:(a) a battery cell array comprising two or more battery cells, each of which has an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, arranged in a lateral direction;(b) a protection circuit module (PCM) connected to an upper end of the battery cell array to control an operation of the battery pack;(c) a pack case in which the battery cell array and the protection circuit module are disposed; and(d) a spacer mounted between the pack case and the battery cell array to provide a space accommodating the increase in thickness of the battery cell array during charge and discharge of the battery pack.2. The battery pack according to claim 1 , wherein the spacer has a thickness equivalent to 5 to 10% of a thickness of the battery cell array.3. The battery pack according to claim 1 , wherein the pack case is formed of a plastic material claim 1 , and the spacer is formed of a sheet member or a plastic material.4. The battery pack according to claim 3 , wherein the sheet member is formed of a Nomex material.5. The battery pack according to claim 1 , wherein the spacer is provided at a top and/or bottom thereof with an adhesive claim 1 , by which the spacer ...

SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME

A secondary battery has: an electrode group which includes sheet-form positive and negative electrode plates each including a metallic foil having an active material applied onto both sides of the metallic foil, and a separator disposed between the positive and negative electrode plates, wherein the positive and negative electrode plates and the separator are spirally wound together around a winding core into a flattened shape, wherein the electrode group has, at the both ends thereof as viewed in the winding core direction, respectively formed metallic foil exposed portions of the positive and negative electrode plates onto which the active material is not applied; a battery container which contains the electrode group therein, wherein the battery container has a battery casing and a battery cap; and positive and negative external terminals electrically connected to the metallic foil exposed portions of the positive and negative electrode plates, respectively. Winding end portions in the metallic foil exposed portions of the positive and negative electrode plates are arranged opposite to the inner surface of the battery container through respective conducting members. 1. A secondary battery comprising:an electrode group including sheet-form positive and negative electrode plates each including a metallic foil having an active material applied onto both sides of the metallic foil, and a separator disposed between the positive and negative electrode plates, the positive and negative electrode plates and the separator being spirally wound together around a winding core into a flattened shape, the electrode group having, at the both ends thereof as viewed in the winding core direction, respectively formed metallic foil exposed portions of the positive and negative electrode plates onto which the active material is not applied;a battery container which contains the electrode group therein, the battery container having a battery casing and a battery cap; andpositive and ...

BIPOLAR ELECTROCHEMICAL BATTERY WITH AN IMPROVED CASING

A casing for a lithium bipolar electrochemical battery including a bipolar element. The casing includes a composite material including a matrix and at least one porous reinforcement, the matrix of which includes at least one hardened polymer impregnating the at least one porous reinforcement, wherein the at least one porous reinforcement and the at least one hardened polymer encase the bipolar element and maintain a determined pressure on either side of the bipolar element to maintain a determined contact between its constituents. 116-. (canceled)17. A bipolar lithium electrochemical battery comprising:at least one bipolar element; anda casing encapsulating the bipolar element;wherein the casing includes a composite material, including a matrix and at least one porous reinforcement, the matrix of which including at least one hardened polymer impregnating the at least one porous reinforcement, wherein the at least one porous reinforcement and the at least one hardened polymer encase the bipolar element and apply a determined pressure to either side of the bipolar element, to maintain a determined contact between its constituents.18. The lithium bipolar electrochemical battery according to claim 17 , wherein the at least one porous reinforcement is fabric and/or a mat.19. The lithium bipolar electrochemical battery according to claim 17 , wherein the at least one porous reinforcement includes at least two portions claim 17 , one on each face of the bipolar element.20. The lithium bipolar electrochemical battery according to claim 17 , wherein poles forming charging terminals of the battery include tabs that extend towards outside the battery from within the battery claim 17 , projecting from the at least one hardened polymer.21. The lithium bipolar electrochemical battery according to claim 17 , wherein poles forming charging terminals of the battery include at least first and second contacts claim 17 , the first contact fitted on to one face of the battery claim 17 , ...

SECONDARY BATTERY

An object is to provide a secondary battery in which decomposition of an electrolyte liquid is suppressed and generation of a gas is reduced, even in the case of using a laminate film as a package. Further, the present exemplary embodiment provides a secondary battery of stacked laminate type comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid and a package accommodating the electrode assembly and said electrolyte liquid, wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides, and the electrolyte liquid comprises a predetermined nitrile compound. 1. A secondary battery , comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other , an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid ,wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides, andthe electrolyte liquid comprises a nitrile compound that is represented by the following general formula (1), andthe electrode assembly has a stacked structure, and {'br': None, 'R1-CN\u2003\u2003(1)'}, 'the package is a laminate film.'}[R1 denotes a substituted or non-substituted saturated hydrocarbon group or a substituted or non-substituted aromatic ...

SECONDARY BATTERY

The object is to provide a secondary battery with higher performance, and especially to provide a secondary battery having low impedance. An exemplary embodiment of the invention is a secondary battery, comprising an electrode assembly in which a positive electrode and a negative electrode are oppositely disposed, an electrolyte liquid, and a package which encloses the electrode assembly and the electrolyte liquid inside; wherein the negative electrode is formed by binding a negative electrode active substance to a negative electrode collector with a negative electrode binder; and wherein the electrolyte liquid comprises a fluorine-containing cyclic ether compound. 1. A secondary battery , comprising an electrode assembly in which a positive electrode and a negative electrode are oppositely disposed , an electrolyte liquid , and a package which encloses the electrode assembly and the electrolyte liquid inside;wherein the negative electrode is formed by binding a negative electrode active substance to a negative electrode collector with a negative electrode binder; andwherein the electrolyte liquid comprises a fluorine-containing cyclic ether compound.3. The secondary battery according to claim 1 , wherein the fluorine-containing cyclic ether compound is a compound in which at least one of hydrogen atoms in tetrahydrofuran claim 1 , tetrahydropyran or 1 claim 1 ,4-dioxane is substituted by fluorine atom.4. The secondary battery according to claim 1 , wherein the electrolyte liquid further comprises a linear-type or cyclic-type carbonate.5. The secondary battery according to claim 4 , wherein a content of the fluorine-containing cyclic ether compound is 1 to 30 mass % with respect to a total amount of the fluorine-containing cyclic ether compound and the carbonate.6. The secondary battery according to claim 1 , wherein the negative electrode active substance comprises at least one selected from among a metal (a) that can be alloyed with lithium claim 1 , a metal oxide ...

SECONDARY BATTERY

An objection is to provide a high performance secondary battery having good flame retardancy and cycle properties. The present exemplary embodiment provides a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with a negative electrode binder, and the electrolyte liquid comprises a supporting salt and an electrolytic solvent, the electrolytic solvent comprising at least one phosphate ester compound selected from phosphite esters, phosphonate esters and bisphosphonate esters. 1. A secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other , an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid ,wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with a negative electrode binder, andthe electrolyte liquid comprises a supporting salt and an electrolytic solvent, andthe electrolytic solvent comprising at least one phosphate ester compound selected from phosphite esters, phosphonate esters and bisphosphonate esters.3. The secondary battery according to claim 1 , wherein a content of the phosphate ester compound is 20% by mass or more in the electrolytic ...

SECONDARY BATTERY

An object of the present invention is to provide a secondary battery in which the decomposition of an electrolyte liquid is suppressed and the generation of a gas is reduced, even in the case of using a laminate film as a package. The present exemplary embodiment is a secondary battery of a stacked laminate type comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is made by binding a negative electrode active substance containing a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions, and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides; and the electrolyte liquid comprises acrylonitrile or an acrylonitrile compound being an acrylonitrile derivative. 1. A secondary battery , comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other , an electrolyte liquid , and a package accommodating the electrode assembly and the electrolyte liquid ,wherein the negative electrode is formed by binding a negative electrode active substance containing a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions, and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides, andthe electrolyte liquid comprises an acrylonitrile compound that is acrylonitrile or an acrylonitrile derivative, andthe electrode assembly has a stacked structure, andthe package is a laminate film.3. The secondary battery according to claim 1 , wherein the electrolyte liquid further comprises ...

PACKING MATERIAL FOR BATTERY CASE AND BATTERY CASE

A battery case material includes a biaxially stretched polyamide film layer as an outer layer, a thermoplastic resin unstretched film layer as an inner layer, and an aluminum foil layer interposed between the two film layers. As the biaxially stretched polyamide film, a biaxially stretched polyamide film having a density of 1,132 to 1,158 kg/mis used. In the battery case material, excellent formability can be secured without coating a lubrication giving component, and sufficient volume capacity ratio can be obtained. 1. A battery case material comprising:an outer layer comprising a biaxially stretched polyamide film;an inner layer comprising a thermoplastic resin unstretched film; andan aluminum foil layer interposed between the outer and inner layers,{'sup': '3', 'wherein the biaxially stretched polyamide film is obtained by a simultaneous biaxial stretching method and setting a heat setting temperature in a range of 195 to 220° C. during stretching of the simultaneous biaxial stretching method, and the biaxially stretched polyamide film has a density of 1,132 to 1,158 kg/m.'}2. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is a biaxially stretched nylon film.3. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 12 to 50 μm in thickness.4. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 12 to 50 μm in thickness claim 1 , and the biaxially stretched polyamide film is a biaxially stretched nylon film.5. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 15 to 20 μm in thickness.6. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is a biaxially stretched nylon film and is 15 to 20 μm in thickness.7. The battery case material as recited in claim 1 , wherein the biaxially stretched polyamide film is 12 to 50 μm in thickness ...

Nickel-zinc rechargeable pencil battery

A rechargeable pencil battery has a hollow cylindrical positive electrode including nickel hydroxide; a gelled negative electrode comprising at least one of zinc and a zinc compound; a separator interposed between the hollow cylindrical positive electrode and the gelled negative electrode; and a negative electrode current collector inserted into the gelled negative electrode. Rechargeable batteries of the invention are capable of between about 50 and 1000 cycles from a fully charge state to a fully discharged state at a discharge rates of about 0.5 C or greater, in some embodiments about 1 C or greater. Batteries of the invention have a ratio of length to diameter of between about 1.5:1 and about 20:1, and therefore can be longer than typical commercially available batteries but also include batteries of commercial sizes e.g. AAAA, AAA, AA, C, D, sub-C and the like.

METHOD FOR MANUFACTURING A BATTERY SHELL APPLICABLE TO AN ELECTRONIC DEVICE

The disclosure discloses a method for manufacturing a battery shell applicable to an electronic device. The method includes providing a metal substrate, a metal implanting component including a connecting part disposed thereon; bonding the metal implanting component to the metal substrate; and forming a plastic component on the metal substrate by an insert molding process. The plastic component covers the metal implanting component. By bonding the plastic component to the bonding part of the metal implanting component, the bonding strength is enforced. 1. A method for manufacturing a battery shell applicable to an electronic device , comprising:providing a metal substrate, and a metal implanting component including a bonding part disposed thereon;bonding the metal implanting component to the metal substrate; andforming a plastic component on the metal substrate by an insert molding process;wherein the plastic component covers the metal implanting component, and the plastic component is bonded to the bonding part of the metal implanting component.2. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a through hole.3. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a protruding rib.4. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a hook.5. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the bonding part is a groove.6. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the metal implanting component is implanted in the metal substrate by spot welding.7. The method for manufacturing the battery shell applicable to the electronic device according to claim 1 , wherein the metal implanting ...

PRESSURE TOLERANT BATTERY

A pressure tolerant battery that may be utilized in a subsea riser includes one or more lithium polymer cells enclosed in a pressure compensated housing. The pressure tolerant battery can be mounted on a landing string a disposed in the riser annulus to provide electrical power to landing string and subsea well system devices. 1. A pressure tolerant battery , comprising:a housing formed in an annular segment having an arcuate shaped inner diameter;a lithium polymer cell enclosed in the housing; anda dielectric fluid disposed in the housing.2. The pressure tolerant battery of claim 1 , further comprising a pressure compensator disposed in the housing.3. The pressure tolerant battery of claim 2 , wherein the pressure compensator comprises a bladder.4. The pressure tolerant battery of claim 1 , further comprising battery control electronics operationally connected to the lithium polymer cell.5. The pressure tolerant battery of claim 4 , wherein the battery control electronics are disposed inside of the housing.6. The pressure tolerant battery of claim 1 , further comprising:a pressure compensator disposed in the housing; andbattery control electronics operationally connected to the lithium polymer cell.7. A subsea control system claim 1 , the system comprising:a mandrel having an internal bore; anda pressure tolerant battery mounted on the mandrel, the pressure tolerant battery comprising a lithium polymer cell disposed in a pressure compensated housing.8. The system of claim 7 , wherein:the mandrel is connected in a tubular string extending through a riser from a subsea blowout preventer stack to a water surface; andthe pressure tolerant battery is located in an annulus between the riser and the tubular string.9. The system of claim 7 , wherein the pressure compensated housing is formed in an annular segment having an arcuate shaped inner diameter.10. The system of claim 7 , wherein the pressure tolerant battery comprises battery control electronics disposed in the ...

ADHESIVE FILM FOR ORGANIC ELECTROLYTE-TYPE ENERGY STORAGE DEVICE

An adhesive film for organic electrolyte-type energy storage device having a substrate film comprised of a resin composition which contains a cross-linked cyclic olefin polymer and an elastomer, and having an adhesive layer comprised of an acrylic-based adhesive agent which is formed on the substrate film is provided. 1. An adhesive film for organic electrolyte-type energy storage device having a substrate film comprised of a resin composition which contains a cross-linked cyclic olefin polymer , and an elastomer and having an adhesive layer comprised of an acrylic-based adhesive agent which is formed on said substrate film.2. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said elastomer is an olefin-based elastomer.3. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 2 , wherein said olefin-based elastomer is at least one type of elastomer which is selected from an ethylene-α-olefin copolymer elastomer and an ethylene-propylene-diene copolymer elastomer.4. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said substrate film has a thickness of 1 to 500 μm.5. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said substrate film is comprised of a resin composition which is obtained by bulk polymerization of a polymerizable composition which contains a cyclic olefin monomer claim 1 , elastomer claim 1 , and polymerization catalyst.6. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , which is adhesive film for fastening a wound battery element.7. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , which is adhesive film for insulation use of a tab part for input/output of electric power to the energy storage element.8. The adhesive film for organic electrolyte-type energy storage ...

CASING FOR AN ELECTROCHEMICAL CELL

An electrochemical cell comprises an electrode stack, at least one current conductor connected to the electrode stack, and a casing at least partially enclosing the electrode stack, wherein the at least one current conductor extends at least partially out of the casing. At least one heating device is integrated into the casing of the electrochemical cell which has at least one preferably areal heating zone extending at least over a sub-region of the casing. 113.-. (canceled)14. A casing for an electrochemical cell , comprising:a heating device integrated into the casing; andan areal heating zone of the heating device, the areal zone extending over a sub-region of the casing.15. The casing according to claim 14 , wherein:the areal heating zone of the heating device has at least one of a geometry and a size which fits at least one of a geometry and a size of the casing.16. The casing according to claim 14 , wherein:the heating device comprises an electrical heating device.17. The casing according to claim 14 , whereinthe heating zone extends substantially within one plane in the casing.18. The casing according to claim 17 , wherein:the heating device includes at least one supply connection; andthe at least one supply connection is arranged substantially in the plane of the heating zone.19. An electrochemical cell comprising:an electrode stack;at least one current conductor connected to the electrode stack; anda casing at least partially enclosing the electrode stack;wherein the at least one current conductor extends at least partially out of the casing; and 'a heating device, the heating device including an areal heating zone that extends at least over a sub-region of the casing.', 'the casing includes20. The electrochemical cell according to claim 19 , wherein:the heating device is integrated into the casing.21. The electrochemical cell according to claim 19 , wherein:the casing includes a main face; andthe heating zone extends substantially entirely over the main ...

ELECTROCHEMICAL DEVICE

An electrochemical device which can keep a conductive lid properly joined to a rigid case is provided. A conductive lid has a reinforcement part RP inside of a ring-shaped welded part PP. The welded part PP of the conductive lid and the welded frame member of a rigid case are joined to each other by welding. Even if stress of risen internal pressure due to reflow soldering or the like concentrates at the interface between the rigid case and the conductive lid , the reinforcement part RP relieves the stress. 1. An electrochemical device comprising: a storage element and an electrolytic solution enclosed in an internal space of the rigid package; and', 'a negative electrode terminal and a positive electrode terminal formed on the bottom face of the rigid package,', 'wherein the rigid package includes a rigid case having a cavity providing an upward opening and a conductive lid sealing the upward opening of the cavity in a watertight and airtight manner, the rigid case including a first wire for electrically connecting a negative electrode plate of the storage element to the negative electrode terminal via the conductive lid and a second wire for electrically connecting a positive electrode plate of the storage element to the positive electrode terminal;', 'a welded frame member is formed integrally on the top of the rigid case so as to surround the cavity;', 'the conductive lid includes a reinforcement part inside of a ring-shaped welded part; and', 'the welded part and the welded frame member of the conductive lid are joined to each other by welding., 'a rigid package;'}2. The electrochemical device of wherein the reinforcement part is composed of a ring-shaped portion which slopes upward from the internal circumference line of the welded part toward the center.3. The electrochemical device of wherein the welded part and the welded frame member are joined to each other by laser welding.4. The electrochemical device of wherein the welded part and the welded frame ...

Secondary battery

An object is to provide a higher-performance secondary battery, particularly to provide a secondary battery having a low impedance. The present exemplary embodiment is a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode includes a negative electrode active substance containing at least one selected from a metal (a) capable of being alloyed with lithium, and a metal oxide (b) capable of occluding and releasing lithium ions, a negative electrode binder, and a negative electrode current collector; and the electrolyte liquid contains a sulfide compound.

METHOD FOR PREPARING A SOLID-STATE BATTERY BY SINTERING UNDER PULSATING CURRENT

The present invention relates to a method for preparing a completely solid Li-ion battery having a solid state body wherein the battery is assembled in a single step by stacking at least one layer of a powder mix including a positive electrode active material and a solid electrolyte, at least one intermediate layer of a solid electrolyte and at least one layer of a powder mix including a negative electrode active material and a solid electrolyte, and simultaneous sintering of the three layers at a pressure of at least 20 MPa, under pulsating current. The invention also relates to the Li-ion battery obtained by such a method. 1. A process for producing an all-solid-state Li-ion battery with a monolithic body having at least one negative-electrode composite layer and at least one positive-electrode composite layer , said layers being separated from one another by at least one intermediate solid-electrolyte layer , said process comprising the steps of:{'b': '1', 'preparing a pulverulent mixture (MP) comprising at least one powder of an active negative-electrode material, at least one powder of a solid electrolyte, and at least one electron-conductivity providing agent; and'}{'b': '2', 'preparing a pulverulent mixture (MP) comprising at least one powder of an active lithium-based positive-electrode material, at least one powder of a solid electrolyte, and at least one electron-conductivity providing agent,'}wherein:{'b': 1', '2, 'the battery is formed in a single step by superposing at least one layer of mixture MP and at least one layer of mixture MP, said layers being separated from one another by at least one intermediate layer of a solid electrolyte in the form of a pulverulent, and simultaneously sintering these sets of three layers, at a pressure of at least 20 MPa, using a pulsed current;'}the particle size of the solid electrolyte in pulverulent form is 5 μm or less;{'b': 1', '2, 'the solid-electrolyte content in each of the mixtures MP and MP independently ...

SECONDARY BATTERY OF NOVEL STRUCTURE

Disclosed herein is a plate-shaped secondary battery configured to have a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case in a sealed state by thermal welding, wherein a protuberance is formed at an outer edge sealed portion of an electrode assembly receiving part of the battery case such that the protuberance protrudes upward and downward from the sealed portion, and the protuberance extends along the outer edge of the electrode assembly receiving part continuously in a curved line or in a straight line in a state in which the protuberance is adjacent to the electrode assembly receiving part. 1. A plate-shaped secondary battery configured to have a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case in a sealed state by thermal welding , wherein a protuberance is formed at an outer edge sealed portion of an electrode assembly receiving part of the battery case such that the protuberance protrudes upward and downward from the sealed portion , and the protuberance extends along the outer edge of the electrode assembly receiving part continuously in a curved line or in a straight line in a state in which the protuberance is adjacent to the electrode assembly receiving part.2. The secondary battery according to claim 1 , wherein the protuberance is disposed in noncontact with the electrode assembly receiving part.3. The secondary battery according to claim 1 , wherein the protuberance has a width equivalent to 30% or less that of the sealed portion.4. The secondary battery according to claim 1 , wherein the protuberance has a height equivalent to 105% to 300% that of the sealed portion.5. The secondary battery according to claim 1 , wherein a middle of the protuberance is spaced apart from the electrode assembly receiving part by a distance equivalent to 40% or less a width of the sealed portion.6. The secondary battery according to claim 1 , wherein ...

GALVANIC CELL FOR AN ACCUMULATOR

The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material. 113-. (canceled)14. Galvanic cell , comprising:a current conductor;a casing which at least partially surrounds the galvanic cell; anda contact area that is assigned to the casing, in which the casing is at least partially connected with the current conductor, the casing comprises at least one first layer and one second layer,', 'the material of the first layer and the material of the second layer are different from each other in respect to at least one chemical substance', 'at least one of the layers of the casing comprises at least one first material and at least one second material,', 'the second material has a higher module of elasticity than the first material,', 'the second material is realized in the shape of fibers,', 'the fibers are connected with the first material at least partially in material engagement,', 'the fibers are at least partially connected with each other forming a first elongated entity, and', 'a plurality of said first elongated entities are essentially arranged in the direction of a tensible force., 'wherein'}151. The galvanic cell according to claim , wherein at least one first device for conducting electrical current is assigned to the casing.16. The galvanic cell according to claim 15 , wherein the at least one device for conducting electrical current has a lower degree of elongation at fracture than the casing.17. The galvanic cell according to claim 14 , wherein at least one first sensor device is assigned to the casing.18. An accumulator ...

MEDICAL DEVICE BATTERY ENCLOSURE

In one example, the disclosure is directed to a medical device comprising an outer housing and a battery within the outer housing, where the battery is configured to supply power to one or more electronic components of the medical device. The battery comprises a first electrode, a second electrode, an electrolyte, and a multilayer battery enclosure. The multilayer battery enclosure comprises a substantially cylindrical member including a continuous multilayer body defining a cavity between a first end and a second end, and wherein at least one of the first end and second end are sealed to enclose the first electrode, second electrode, and the electrolyte within the cavity of the multilayer battery enclosure. 1. A battery comprising:a first electrode;a second electrode;an electrolyte; anda multilayer battery enclosure, wherein the multilayer battery enclosure comprises a substantially cylindrical member including a continuous multilayer body defining a cavity between a first end and a second end, and wherein at least one of the first end and second end are sealed to enclose the first electrode, second electrode, and the electrolyte within the cavity of the multilayer battery enclosure.2. The battery of claim 1 , wherein the multilayer battery enclosure includes an inner layer and a barrier layer.3. The battery of claim 2 , wherein the inner layer is formed of a material that is substantially insoluble with the electrolyte.4. The battery of claim 2 , wherein the multilayer battery enclosure includes an outer layer separated from the inner layer by the barrier layer.5. The battery of claim 2 , wherein the multilayer battery enclosure includes a bond layer bonding the inner layer to the barrier layer.6. The battery of claim 2 , wherein the inner layer is substantially insoluble with the electrolyte.7. The battery of claim 2 , wherein the inner layer comprises at least one of polyethylene or polypropylene.8. The battery of claim 2 , wherein the barrier layer exhibits an ...

OUTER CASING MATERIAL FOR BATTERY AND LITHIUM SECONDARY BATTERY

An outer casing material for a battery is provided, wherein an outer layer , a metal foil layer and an inner layer are laminated via an adhesive layer ; the inner layer comprises a sealant layer and a base material layer ; the sealant layer is made from a propylene-ethylene random copolymer wherein a melt flow rate at 230° C. thereof is in a range of 3 to 30 g/10 minutes; the base material layer is made of a resin composition wherein a melt flow rate at 230° C. thereof is in a range of 0.1 to 15 g/10 minutes, xylene-soluble component Xs thereof satisfies the predetermined conditions, and the resin composition comprises 50 to 80% by mass of a propylene component (A) and 50 to 20% by mass of a copolymer component (B) which is an elastomer of a copolymer of propylene and ethylene and/or α-olefin having 4 to 12 carbons and includes 50 to 85% by mass of a polymerization unit originated from propylene. 1. An outer casing material for a battery , whereinthe casing material is formed by laminating, via an adhesive layer, an outer layer which is a heat-resistant resin film, a metal foil layer and an inner layer which is a thermoplastic resin film;the inner layer comprises at least a sealant layer and a base material layer, wherein the sealant layer of the inner layer is positioned as a surface on the opposite side to the metal foil layer;the sealant layer is made from a propylene-ethylene random copolymer wherein a melt flow rate at 230° C. thereof is in a range of 3 to 30 g/10 minutes;the base material layer is made of a resin composition wherein a melt flow rate at 230° C. thereof is in a range of 0.1 to 15 g/10 minutes, a xylene-soluble component Xs thereof satisfies the following (I) to (V), and the resin composition comprises 50 to 80% by mass of a propylene component (A) and 50 to 20% by mass of a copolymer component (B) which is an elastomer of a copolymer of propylene and ethylene and/or α-olefin having 4 to 12 carbons and includes 50 to 85% by mass of a ...

PRISMATIC SECONDARY BATTERY

A high-reliability prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock is provided. The prismatic secondary battery includes a second insulating member having a first through-hole, the second insulating member being arranged between a first region of a positive electrode collector and an inversion plate. The first region of the positive electrode collector and the inversion plate are electrically connected to each other through the first through-hole. The second insulating member has a plurality of fixing pawl portions. The fixing pawl portions are hooked and fixed to a fixing portion formed on the outer surface side of the conductive member. 1. A prismatic secondary battery comprising:a prismatic outer casing having a mouth;an electrode assembly housed in the prismatic outer casing and having a positive electrode plate and a negative electrode plate;a positive electrode collector electrically connected to the positive electrode plate;a negative electrode collector electrically connected to the negative electrode plate;a sealing body sealing the mouth of the outer casing and having a through-hole;at least one external terminal inserted in the through-hole of the sealing body while being electrically insulated from the sealing body with a first insulating member interposed therebetween;a conductive member having a tubular portion;an inversion plate containing a conductive material that is deformed when the pressure inside the battery exceeds a particular level; anda second insulting member having a first through-hole formed between the inversion plate and at least one of the positive electrode collector and the negative electrode collector,at least one of the positive electrode collector and the negative electrode collector being electrically connected to the inversion plate through the first through-hole formed in the second insulating member,the tubular portion of the conductive ...

PRISMATIC SECONDARY BATTERY

A crimped portion of a positive electrode external terminal is crimped on its upper end side to be electrically connected to a positive electrode terminal plate. This crimped portion is welded to the positive electrode terminal plate by applying high energy beams. The negative electrode side has a configuration similar to that of the positive electrode side. The contact area between the positive electrode terminal plate and the crimped portion of the positive electrode external terminal is set smaller than the corresponding contact area on the negative electrode side, and the volume of the crimped portion of the positive electrode external terminal is set larger than that of the corresponding crimped portion on the negative electrode side. Thus, a prismatic secondary battery is provided that shows strong joining strength between the external terminal and the terminal plate, suppressed internal resistance variations, and improved reliability. 1. A prismatic secondary battery comprising:a prismatic outer casing having a mouth;an electrode assembly housed inside the prismatic outer casing and having a positive electrode plate and a negative electrode plate;a positive electrode collector electrically connected to the positive electrode plate;a negative electrode collector electrically connected to the negative electrode plate;a sealing body sealing the mouth of the outer casing;a positive electrode external terminal containing an aluminum-based metal and a negative electrode external terminal containing a copper-based metal, each inserted into a through-hole provided in the sealing body while being electrically insulated from the sealing body with an insulating member interposed therebetween; anda positive electrode terminal plate and a negative electrode terminal plate arranged on the positive electrode external terminal and the negative electrode external terminal, respectively,the positive electrode collector and the negative electrode collector being electrically ...

SECONDARY BATTERY

A secondary battery including: an electrode assembly; a case receiving the electrode assembly and including a plurality of stepped sections at an inner side of the case in contact with the electrode assembly; and at least one electrode tab electrically connected with the electrode assembly and withdrawn toward an outside of the case. In the secondary battery, a friction force between the inner side of the case and the electrode assembly is increased due to the plurality of stepped sections, thereby minimizing or reducing movement of the electrode assembly within the case. 1. A secondary battery comprising:an electrode assembly;a case receiving the electrode assembly and including a plurality of stepped sections at an inner side of the case in contact with the electrode assembly; andat least one electrode tab electrically connected with the electrode assembly and withdrawn toward an outside of the case.2. The secondary battery of claim 1 , wherein the case comprises at least two stacked layers.3. The secondary battery of claim 2 , wherein the at least two stacked layers comprise:a first layer at the inner side of the case, the first layer contacting the electrode assembly in a receiving space of the case and including the stepped sections; anda second layer stacked with the first layer4. The secondary battery of claim 3 , wherein the second layer has a hardness greater than a hardness of the first layer.5. The secondary battery of claim 3 , wherein the first layer comprises cast polypropylene (CPP).6. The secondary battery of claim 3 , wherein the case further comprises a third layer stacked with the second layer.7. The secondary battery of claim 6 , wherein the second layer comprises a metal claim 6 , and the third layer comprises an insulating material.8. The secondary battery of claim 3 , wherein the plurality of stepped sections includes a plurality of holes formed in the first layer claim 3 , and wherein the second layer is exposed through the holes.9. The ...

BATTERY CELL MODULE, BATTERY, AND MOTOR VEHICLE

A battery cell module includes a plurality of battery cells, in particular lithium-ion battery cells which are arranged in a packet and each of which has a substantially prismatic cell housing. Each cell housing has the three dimensions: housing height, housing width, and housing depth. Two of the dimensions are carried out in a substantially identical manner in all the battery cells of the battery cell module, and the third dimension is carried out differently in at least two battery cells of the battery cell module. A battery includes said battery cell module and a motor vehicle includes said battery. 1. A battery cell module , comprising: a respective cell housing has the three dimensions: housing height, housing width and housing depth, and', 'two dimensions of the three dimensions are substantially identical for all of the battery cells of the plurality of battery cells, and a third dimension of the three dimensions differs for at least two battery cells of the plurality of battery cells., 'a plurality of battery cells arranged in a pack and each having a substantially prismatic cell housing, wherein2. The battery cell module as claimed in claim 1 , wherein the two dimensions are the housing height and the housing width and the third dimension is the housing depth.3. The battery cell module as claimed in claim 1 , further comprising:a pair of clamping plates of substantially equal size, wherein each clamping plate of the pair of clamping plates is configured to bear against a housing wall of an outer battery cell of the battery cell module and to exert a force on said outer battery cell in a direction of the other clamping plate of the pair of clamping plates.4. The battery cell module as claimed in claim 1 , further comprising:at least one cooling plate configured to bear against an outer surface formed by the pack of battery cells.5. The battery cell module as claimed in claim 1 , wherein:each battery cell of the plurality of battery cells has a terminal, ...

Battery Module with Battery Module Housing and Battery Cells

A battery module comprises a battery module housing with parts made of plastic and a plurality of prismatic battery cells that have a cell housing with four side walls. Two parallel side walls are larger than the two other side walls. The electrolyte of the battery cells is preferably SO-based. 123.-. (canceled)24. A battery module comprising a battery module housing with parts made of plastic and a plurality of prismatic battery cells that have a cell housing with four side walls , two parallel side walls being larger than the two other side walls ,whereinthe battery module housing has a cooling system with a channel structure and a fluid coolant,the channel structure has a fluid connection with a coolant inlet and a coolant outlet of the battery module housing,an intermediate wall made of plastic is located between two adjacent battery cells essentially parallel to the larger side walls of the battery cell,one channel of the channel structure runs at least partially in the intermediate wall and is formed by means of a recess in the intermediate wall that is open at least to one adjacent side wall of the battery cell,a plastic separating layer, whose thickness is less than the thickness of the intermediate wall, is arranged between the side wall of the battery cell and the intermediate wall in such a manner that the channel of the cooling system formed by the recess is closed by the plastic separating layer.25. The battery module according to claim 24 , wherein said plastic separating layer material is different from the material of the intermediate wall.26. The battery module according to claim 24 , wherein the intermediate wall has an intermediate wall side wall that is part of a side wall of the battery module housing.27. The battery module according to claim 24 , wherein the intermediate wall comprises holding elements to hold an adjacent battery cell.28. The battery module according to claim 27 , wherein said holding elements being at least parts of an ...

ELECTROCHEMICAL ENERGY CONVERTER DEVICE WITH A CELL HOUSING, A BATTERY WITH AT LEAST TWO OF SAID ELECTROCHEMICAL ENERGY CONVERTER DEVICES, AND A METHOD FOR THE MANUFACTURE OF AN ELECTROCHEMICAL ENERGY CONVERTER DEVICE

An electrochemical energy converter device () with at least one in particular rechargeable electrode assembly (), which is provided so as to make electrical energy available, at least temporarily, in particular to a consumer load, which has at least two electrodes () of differing polarity, with at least one current conducting device (), which is provided to be electrically connected, preferably materially connected, with one of the electrodes () of the electrode assembly (), with a cell housing () with a first housing part (), wherein the first housing part () is provided so as to enclose the electrode assembly () at least in certain sections. 28889999299abaaa. The electrochemical energy converter device in accordance with claim 1 , characterised in that claim 1 , the at least one functional device ( claim 1 , claim 1 , ) has at least one functional element ( claim 1 , ) claim 1 , wherein the at least one functional element ( claim 1 , ) is operationally connected with the electrode assembly () claim 1 , in particular is electrically connected claim 1 , wherein the at least one functional element ( claim 1 , ) is preferably designed as:{'b': 16', '16, 'i': 'a', 'a pole contact section (, ), an electrode connection section, a conducting track, an opening, a voltage probe, a current probe, a temperature probe, a pressure sensor, a material sensor, a gas sensor, a fluid sensor, a location sensor, an acceleration sensor, a control device, an application-specific integrated circuit, a microprocessor, a switching device, a current interrupter, a current limiter, a discharge resistance, a pressure release device, a fluid passage, a positioning device, an actuator, a data storage device, a bleeper, a light-emitting diode, an infrared interface, a GSM module, a first short-range radio device or transponder.'}31888ab. The converter cell () in accordance claim 1 , characterised in that claim 1 , the at least one functional device ( claim 1 , claim 1 , ) at least:is designed to ...

Electric storage element and method for manufacturing electric storage element

An electric storage element includes: an electrode body having a positive electrode and a negative electrode; a case for housing the electrode body; an insulating member arranged in the case to insulate the electrode body from the case; and a spacer arranged in the case. The spacer is arranged between the insulating member and the electrode body.

ALKALINE BATTERY

There is provided An inside-out alkaline battery, including: a cylindrical cathode can that has a bottom, that performs a function of a cathode current collector, that has a nickel-plated layer on an inner surface of the cathode can, and that has a coating on a surface layer of the nickel-plated layer, 1. An inside-out alkaline battery , comprising: that has a bottom,', 'that performs a function of a cathode current collector,', 'that has a nickel-plated layer on an inner surface of the cathode can, and', the coating being composed of nickel-cobalt alloy,', 'a thickness of the coating being between 0.15 μm and 0.25 μm (both inclusive),', 'a ratio of cobalt in the nickel-cobalt alloy being between 40% and 60% (both inclusive); and, 'that has a coating on a surface layer of the nickel-plated layer,'}], 'a cylindrical cathode can'} that is disposed in the cathode can,', 'that is annular in shape, and', 'that contains a cathode active material., 'a cathode mixture'}2. An alkaline battery according to claim 1 , whereinthe inner surface of the cylindrical cathode can has a roughness Ra value between 1.0 μm and 1.5 μm (both inclusive) in a circumferential direction. The invention relates to an alkaline battery, particular to an alkaline battery which has low environmental impact at manufacturing and can increase its productivity.shows a common configuration of alkaline batteries. The illustrated alkaline battery is an LR14 alkaline battery having a cylindrical shape; is a longitudinal sectional view in which the direction of the cylinder axis is a longitudinal direction, and is a magnified view of a circle in . The alkaline battery has a so-called inside-out construction. The alkaline battery includes: a cylindrical cell can (cathode can) which is made of metal and has a bottom; a cathode mixture which is annular in shape; a cylindrical separator which is disposed inside the cathode mixture and has a bottom; an anode gel which contains zinc alloy and fills the separator ; ...

NI-PLATED STEEL SHEET WITH EXCELLENT PRESSABILITY FOR BATTERY CAN

Provided is a Ni-plated steel sheet being excellent in press formability and suppression of wear of a mold and capable of maintaining alkali battery characteristic even after a lapse of time. In a Ni-plated steel sheet for a battery can having excellent press formability, an Fe—Ni diffusion layer and a Ni layer formed on the Fe—Ni diffusion layer are formed on a surface of a steel sheet corresponding to an outer surface of the battery can, a semi-bright Ni plating layer is formed on the Ni layer, a Ni coating weight of the Fe—Ni diffusion layer and the Ni layer formed on the Fe—Ni diffusion layer is set equal to or smaller than a Ni coating weight of the semi-bright Ni plating layer, the Ni coating weight of the semi-bright Ni plating layer is 2.25 g/mor more, surface roughness Ra1 of a surface of the semi-bright Ni plating layer in an area of 2.5 μm×2.5 μm which is measured by an atomic force microscope falls within a range from 3 to 11 nm, and surface roughness Ra2 measured by a traceable roughness gauge is 0.3 μm or more and 2.0 μm or less with respect to the surface roughness Ra of the semi-bright Ni plating layer. 1. A Ni-plated steel sheet for a battery can having excellent press formability , whereinan Fe—Ni diffusion layer and a Ni layer formed on the Fe—Ni diffusion layer are formed on a surface of a steel sheet corresponding to an outer surface of the battery can,a semi-bright Ni plating layer is formed on the Ni layer,a Ni coating weight of the Fe—Ni diffusion layer and the Ni layer formed on the Fe—Ni diffusion layer is set equal to or smaller than a Ni coating weight of the semi-bright Ni plating layer,{'sup': '2', 'the coating weight of the semi-bright Ni plating layer is 2.25 g/mor more,'}surface roughness Ra1 of a surface of the semi-bright Ni plating layer in an area of 2.5 μm×2.5 μm measured by an atomic force microscope falls within a range from 3 to 11 nm, andsurface roughness Rat of the surface of the semi-bright Ni plating layer measured by a ...

LITHIUM ION BATTERY EXTERIOR MATERIAL

A lithium ion battery exterior material, includes: a base material layer, and a sequentially laminated adhesive layer, aluminum foil layer provided with a corrosion prevention treated layer, and an adhesive resin layer on one surface of the base material layer; wherein, the adhesive resin layer contains an acid-modified polyolefin resin and a miscible elastomer dispersed in the acid-modified polyolefin at a dispersed phase size of 1 nm to less than 1 μm. 1. A lithium ion battery exterior material , comprising:a base material layer, and an adhesive layer, an aluminum foil layer provided with a corrosion prevention treated layer, and an adhesive resin layer being sequentially laminated on one surface of the base material layer, the adhesive resin layer containing an acid-modified polyolefin resin and a miscible elastomer dispersed in the acid-modified polyolefin at a dispersed phase size of 1 nm to less than 1 μm, wherein the acid-modified polyolefin resin is a resin that has been graft-modified with one or more compounds of unsaturated carboxylic acid derivative components selected from the group consisting of unsaturated carboxylic acids, acid anhydrides of unsaturated carboxylic acids and esters of unsaturated carboxylic acids.2. The lithium ion battery exterior material according to claim 1 , wherein the adhesive resin layer contains an immiscible elastomer dispersed in the acid-modified polyolefin resin at a dispersed phase size of 1 μm to less than 1000 μm.3. (canceled)4. The lithium ion battery exterior material according to claim 1 , wherein an absolute value of birefringence following a heat treatment of a thermoplastic resin layer is 0.002 or less and a degree of crystallization is 60% or less claim 1 , the thermoplastic resin layer being composed of the adhesive resin layer and a sealant layer provided on an opposite surface of the adhesive resin layer from the base material layer.5. The lithium ion battery exterior material according to claim 1 , wherein a ...

Electrochemical energy converter device with a cell housing, battery with at least two of these electrochemical energy converter devices and alsomethod for producing an electrochemical energy converter device

An electrochemical energy converter device () with at least one in particular rechargeable electrode assembly (), which is provided to provide electrical energy at least intermittently to a consumer in particular, which has at least two electrodes () of different polarity, with at least a current conduction device (), which is provided to be electrically, preferably materially connected to one of the electrodes () of the electrode assembly (), with a cell housing () with a first housing part (), wherein the first housing part () is provided to encompass the electrode assembly () at least in certain areas. 21. The converter cell () according to claim 1 , characterised in that{'b': 6', '7', '7', '8', '8, 'i': a', 'a', 'a, 'the first housing part () has at least one second support element (), wherein the second support element () is provided to support at least one of these functional devices (, ),'}{'b': 6', '8', '8', '5', '26', '8', '8', '26', '7', '7, 'i': a', 'a, 'the first housing part () has at least two of these functional devices (, a) and an insulating device (), wherein the two functional devices (, ) and the insulating device () are arranged between the first support element () and the second support element (),'}{'b': 8', '8, 'i': 'a', 'the first functional device () and the second functional device () are constructed to be electrically conductive, preferably are constructed as metal films in each case,'}{'b': 8', '3', '2', '8', '3', '2, 'i': a', 'a, 'the first functional device () is in particular electrically connected to one of the electrodes () of first polarity of the electrode assembly () and the second functional device () is electrically connected to one of the electrodes () of second polarity of the electrode assembly (),'}{'b': 26', '8', '8', '26, 'i': 'a', 'the insulating device () is configured to at least temporarily electrically insulate the first functional device () with respect to the second functional device (), wherein this configuration ...

PRISMATIC ELECTROCHEMICAL CELL

Systems are disclosed for battery modules having a plurality of electrochemical cells and cooling systems. According to one embodiment, a battery system includes a plurality of battery modules. Each battery module includes a plurality of electrochemical cells in thermal contact with a heat sink. The heat sink may utilize a plurality of fins and a fluid (e.g., air) to cool or heat the electrochemical cells. The electrochemical cells each have a positive terminal blade and a negative terminal blade that function as external terminals for the cell. The negative terminal blade is electrically isolated from the cover of the cell and is configured to be coupled to an internal negative terminal of the cell. 1. An electrochemical cell , comprising:a prismatic container; andan electrode assembly configured to be disposed in the prismatic container, the electrode assembly having a plurality of positive electrode plates and a plurality of negative electrode plates, the plurality of positive electrode plates each having a first tab that extends from an end of each respective positive electrode plate, and the plurality of negative electrode plates each having a second tab that extends from an end of each respective negative electrode plate.2. The electrochemical cell of claim 1 , wherein the first tabs of each positive electrode plate are crimped together claim 1 , and the second tabs of each negative electrode plate are crimped together.3. The electrochemical cell of claim 2 , wherein each respective positive electrode plate and each respective negative electrode plate is electrically isolated from one another by separators disposed between each respective positive electrode plate and each respective negative electrode plate.4. The electrochemical cell of claim 3 , having a negative current collector conductively coupled to the crimped tabs of the plurality of negative electrode plates.5. The electrochemical cell of claim 4 , having a negative terminal conductively coupled to ...

Housing for accommodating at least one rechargeable battery cell

A housing for accommodating at least one rechargeable battery cell, having a terminal region for the electrical contacting of the housing to a device that is operated with an electric motor, in particular to a hand tool, and having at least one connecting line at one side of the at least one rechargeable battery cell, with which the at least one rechargeable battery cell is at least mediately electrically contacted at a pole, the at least one connecting line being guided in particular parallel to the extension of the rechargeable battery cell on the side of the rechargeable battery cell situated opposite the point of connection to the rechargeable battery cell. The housing has a separate cable channel in which the at least one connecting line is guided so as to be spatially separated from the at least one rechargeable battery cell.

MOLTEN SALT BATTERY

A plurality of rectangular plate-like negative electrodes and a plurality of rectangular plate-like positive electrodes are laterally stacked so as to face each other alternately with rectangular plate-like separators being respectively interposed therebetween, and are housed in a battery container formed of an aluminum alloy. The inner surface of the battery container is insulated by forming an alumite coating film thereon. Rectangular tabs (lead wires) for drawing a current from the positive electrodes are connected to one another via a tab lead, and rectangular tabs for drawing a current from the negative electrodes are connected to one another via a tab lead. 1. A molten salt battery comprising a positive electrode and a negative electrode housed in a battery container formed of a conductor , the positive electrode and the negative electrode facing each other with a separator interposed therebetween , the separator containing a molten salt , wherein the battery container is insulated against the positive electrode and the negative electrode;one or more of the positive electrodes, and a plurality of the separators and negative electrodes are included, respectively;the positive electrodes and the negative electrodes are stacked alternately, with negative electrodes placed at both ends in the stacking direction; andthe positive electrodes and the negative electrodes are connected to one another in parallel, respectively.2. The molten salt battery according to claim 1 , wherein an insulating film is formed partially or entirely on the inner surface of the battery container.3. The molten salt battery according to claim 2 , wherein the insulating film is an alumite coating film.4. The molten salt battery according to claim 2 , wherein the insulating film is formed of a fluororesin.5. The molten salt battery according to claim 2 , wherein the insulating film contains at least one of a polyolefin resin claim 2 , a polyester resin claim 2 , a polycarbonate (PC) resin and ...

METAL OXYGEN BATTERY

Provided is a metal oxygen battery having an excellent charge/discharge capacity and cycle performance. A metal oxygen battery includes a positive electrode containing an oxygen-storing material and to which oxygen is applied as an active substance, a negative electrode to which a metal is applied as an active substance, an electrolyte layer disposed between the positive electrode and the negative electrode, and a case hermetically housing the positive electrode, the negative electrode and the electrolyte layer. The oxygen-storing material has the functions of, during discharge, ionizing stored oxygen and releasing ionized oxygen, and causing the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into the positive electrode to thereby form a metal oxide, and of, during charge, storing oxygen by reduction of the metal oxide. The metal oxide formed during discharge contains an amorphous oxide. 1. A metal oxygen battery , comprising:a positive electrode comprising an oxygen-storing material to which oxygen is applied as an active substance;a negative electrode to which a metal is applied as an active substance;an electrolyte layer disposed between the positive electrode and the negative electrode; anda case hermetically housing the positive electrode, the negative electrode and the electrolyte layer,wherein the oxygen-storing material comprises functions of, during discharge, ionizing stored oxygen and releasing ionized oxygen, and causing the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into the positive electrode to thereby form a metal oxide, and of, during charge, storing oxygen formed by reduction of the metal oxide; andduring discharge, the oxygen-storing material ionizes stored oxygen and releases ionized oxygen, and causes the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into ...

SYSTEM FOR THE STORAGE OF ELECTRIC ENERGY FOR A VEHICLE WITH ELECTRIC PROPULSION AND PRESENTING CYLINDRICAL CHEMICAL BATTERIES EMBEDDED IN A SUPPORT MATRIX

A system for the storage of electric energy for a vehicle with electric propulsion, which presents a longitudinal direction, which is parallel to the direction of the rectilinear motion, and a transverse direction, which is perpendicular to the longitudinal direction; the storage system is provided with a pack of chemical batteries, which are connected to each other in series and in parallel and comprise respective electrochemical cells; each chemical battery has a cylindrical shape having a central symmetry axis; and a support matrix made of plastic material is provided, inside which the chemical batteries are embedded so that the chemical batteries are completely covered by the support matrix itself. 1. A system for the storage of electric energy for a vehicle with electric propulsion that extends in a longitudinal direction that is parallel to a direction of motion , and a transverse direction that is perpendicular to the longitudinal direction comprising:a pack of chemical batteries, which are connected to each other in series and in parallel and comprise respective electrochemical cells, wherein each chemical battery has a cylindrical shape having a central symmetry axis;{'b': '22', 'wherein a support matrix () made of plastic material is provided, inside which the chemical batteries are embedded so that the chemical batteries are completely covered by the support matrix.'}2. A storage system according to claim 1 , wherein the support matrix has an adjusted mechanical strength claim 1 , which is lower than the mechanical strength of the single chemical batteries so as to collapse by getting deformed in case of crash.3. A storage system according to claim 1 , wherein the support matrix has an adjusted mechanical strength which is lower than the mechanical strength of the single chemical batteries to collapse during a crash by deforming while the single chemical batteries maintain shape and are displaced with respect to the support matrix.4. A storage system ...

HOUSING FOR MERCURY-FREE BUTTON CELLS

A method of producing a bowl-shaped housing half-part provided with a copper alloy interiorly of the housing of a mercury-free button cell includes (1) providing a clad material with a layer of nickel, a layer of copper and an intermediate layer of steel or high-grade steel, which is provided on a copper side with an additional coating including at least one metal selected from the group consisting of tin, zinc, indium and bismuth, (2) shaping a bowl-shaped housing half-part made of the clad material, wherein the layer of nickel forms an outside portion and the additional coating forms an inside portion of the bowl-shaped housing half-part, and (3) heat treating the housing half-part at a temperature where the at least one metal selected from the group consisting of tin, zinc, indium and bismuth is alloyed with the copper of the copper layer.

SECONDARY BATTERY

A secondary battery includes an electrode assembly including a pair of electrodes separated from each other by a separator, a battery case including a front portion bonded to a back portion to produce wing portions at opposite edges of the battery case, the electrode assembly being arranged within an accommodating portion of the battery case, the accommodating portion being arranged between the wing portions, an insulating member arranged at each of said wing portions of the battery case and a bonding portion arranged at each of said wing portions to attach said wing portions to the accommodating portion of the battery case. The bonding portion may be a double sided tape and may be integrally provided with the insulating member to simplify manufacturing process thereof. 1. A pouch-type secondary battery , comprising:an electrode assembly including a pair of electrodes separated from each other by a separator;a battery case including a front portion bonded to a back portion to produce wing portions at opposite edges of the battery case, the electrode assembly being arranged within an accommodating portion of the battery case, the accommodating portion being arranged between the wing portions;an insulating member arranged at each of said wing portions of the battery case; anda bonding portion arranged at each of said wing portions to attach said wing portions to the accommodating portion of the battery case.2. The battery of claim 1 , further comprised of the bonding portion being integrally provided with the insulating member.3. The battery of claim 1 , further comprised of each wing portion of the battery case having a first side facing the accommodating portion and a second and opposite side facing away from the accommodating portion claim 1 , the insulating member covering both the first and second sides.4. The battery of claim 3 , further comprised of the bonding portion being arranged between the first side of the wing portion and the accommodating portion of ...

CELL ASSEMBLIES WITH NEUTRAL CASES

Provided are electrochemical cell assemblies and methods of fabricating thereof. A cell assembly includes an anode containing lithium titanium oxide and a cathode forming a jellyroll together with the anode. Each of the electrodes is connected to a separate cap and electrically insulated from the case. As such, the case is electrochemically neutral and may be made from a larger selection of materials. For example, a case may be made from steel that would otherwise dissolve if exposed to the anode potential during cycling of the battery. Some of these case materials simplify processing and sealing characteristics. In certain embodiments, a case may be crimped around each of the caps and corresponding gaskets to provide sealing interfaces. The caps or at least their surfaces exposed to the electrolyte are made from materials that are electrochemically stable at corresponding potentials of the electrodes. 1. An electrochemical cell assembly comprising:an anode comprising lithium titanium oxide,a cathode wound into a jellyroll subassembly together with the anode;an electrolyte providing ionic communication between the cathode and anode;a first cap in electrical communication with the anode, the first cap having a first electrolyte facing surface comprising a material that is electrochemically stable at operating potentials of the lithium titanium oxide;a second cap in electrical communication with the cathode, the cap having a second electrolyte facing surface comprising aluminum; anda case attached to and insulated from the first cap at a first end of the case and attached to and insulated from the second cap at a second end of the case, the case being electrically insulated from the cathode and the anode of the jellyroll subassembly positioned within the case.2. The electrochemical cell assembly of claim 1 , wherein the case claim 1 , the first cap claim 1 , and the second cap are round.3. The electrochemical cell assembly of claim 1 , further comprising a first ...

ELECTRIC STORAGE DEVICE

An electric storage device includes an electrode assembly and an outer case. The electrode assembly has at least one convex portion. The outer case accommodates the electrode assembly and has an inner wall with a recess in portion thereof opposite the at least one convex portion of the electrode assembly. 1. An electric storage device comprising:an electrode assembly having at least one convex portion; andan outer case accommodating the electrode assembly and having an inner wall with a recess in portion thereof opposite the at least one convex portion of the electrode assembly.2. The electric storage device according to claim 1 , wherein the portion including the recess is a portion of the inner wall adjacent to the convex portion of the electrode assembly.3. The electric storage device according to claim 1 , wherein the recess has a shape corresponding to a shape of the convex portion of the electrode assembly.4. The electric storage device according to claim 1 , whereinthe electrode assembly has a flattened roll-like shape with a cross section having a first dimension smaller than a second dimension, the first dimension measuring in a first direction, the second dimension measuring in a second direction that is perpendicular to the first direction, andthe inner wall including the recess is opposite the electrode assembly in the second direction.5. The electric storage device according to claim 4 , wherein the recess is provided only in the inner wall opposite the electrode assembly in the second direction.6. The electric storage device according to claim 4 , wherein an end of the electrode assembly in the second direction and the recess have arc-like shapes in a cross section perpendicular to an axial direction of the electrode assembly with centers of curvatures thereof being at a same point in the first direction and a curvature radius of the recess being equal to or larger than that of the end of the electrode assembly.7. The electric storage device according ...

OUTER CASING MATERIAL FOR BATTERY AND LITHIUM SECONDARY BATTERY

An outer casing material for a battery is provided which is constituted by laminating an outer layer that includes a heat-resistant resin film, a metal foil layer, and an inner layer that includes a thermoplastic resin film, wherein a melt flow rate of the inner layer is in a range of greater than or equal to 1 and less than 10. 1. An outer casing material for a battery , wherein the casing material is formed by laminating an outer layer which includes a heat-resistant resin film , a metal foil layer and an inner layer which includes a thermoplastic resin film , anda melt flow rate of the inner layer is in a range of greater than or equal to 1 and less than 10.2. The outer casing material for a battery according to claim 1 , wherein the thickness of the inner layer is in a range of 0.1 μm to 200 μm.3. The outer casing material for a battery according to claim 1 , wherein the inner layer is made of polyolefin.4. The outer casing material for a battery according to claim 1 , wherein the inner layer comprises an intermediate layer and a pair of covering layers laminated on both sides in the thickness direction of the intermediate layer so that the intermediate layer is sandwiched by the covering layers claim 1 , and a melt flow rate of the covering layer is higher than a melt flow rate of the intermediate layer.5. The outer casing material for a battery according to claim 1 , wherein the melt flow rate of the inner layer is in a range of 1 to 5.6. The outer casing material for a battery according to claim 1 , wherein the thickness of the inner layer is in a range of 50 μm to 100 μm.7. The outer casing material for a battery according to claim 1 , wherein the outer layer and the inner layer are bonded to the metal foil layer through adhesive layers.8. The outer casing material for a battery according to claim 1 , wherein a concave portion is formed in the outer casing material by deep drawing or bulging.9. The outer casing material for a battery according to claim 1 , ...

LITHIUM ION BATTERY AND CHARGER THEREOF

A lithium ion battery and a charger thereof are provided. The lithium ion battery comprises a shell (), a locating seat (), an end cover (), a battery cell (), a positive contact (), a positive plate (), a negative plate (), a positive connecting plate () and a negative connecting plate (). The shell () is a one-step-molding cylinder with an upper opening. The positive contact () extends out from a contact extending hole () of the shell (). A lower end face of the end cover () is tightly pressed on the negative plate () and the locating seat (), where the end cover () is detachably connected with the upper opening of the shell (). A cover edge of the end cover () cooperates with an end face of the upper opening of the shell (). The lithium ion battery is conveniently detachable with the charger thereof. 1. A lithium ion battery comprising a shell , a locating seat , an end cover , a battery cell , a positive contact , a positive plate , a negative plate , a positive connecting plate and a negative connecting plate;wherein the shell is a cylinder having an upper opening and a contact extending hole on a center of a bottom plate of the shell;an upper end face of the locating seat is arranged with a mounting hole of the negative plate; the locating seat further includes a through hole for positive plate and a through hole for negative plate while the through hole for negative plate communicates with the mounting hole; a lower end face of the through hole for positive plate and a lower end face of the through hole for negative plate are respectively arranged with a positive guide block and a negative guide block; the positive guide block and the negative guide block are supported by and cooperated with an end part of the battery cell;the end cover is mounted with a central hole and an upper end face thereof is arranged with a positive plate slot around the central hole; a positive plate guide hole is penetrating the end cover; a lower end face of the end cover is ...

ALKALINE BATTERY

In an alkaline battery in which a positive electrode made of manganese dioxide and a negative electrode are contained in a cylindrical battery case having a closed bottom with a separator interposed between the positive and negative electrodes and and an opening of the battery case is sealed via a sealing plate with a gasket interposed between the battery case and the sealing plate, a thickness of a body of the battery case is in a range of 0.10-0.17 mm, and a half-width of a 110 plane of the manganese dioxide measured by powder X-ray diffraction is in a range of 2.30-2.70 degrees. 13-. (canceled)4. An alkaline battery in which a positive electrode containing manganese dioxide and a negative electrode are contained in a cylindrical battery case having a closed bottom with a separator interposed between the positive and negative electrodes , and an opening of the battery case is sealed via a sealing plate with a gasket interposed between the battery case and the sealing plate , whereina thickness of a body of the battery case is in a range of 0.10-0.17 mm, anda half-width of a 110 plane of the manganese dioxide measured by powder X-ray diffraction is in a range of 2.30-2.70 degrees.5. The alkaline battery of claim 4 , whereinthe half-width is in a range of 2.40-2.62 degrees.6. The alkaline battery of claim 4 , whereinthe negative electrode is made of zinc, anda ratio of a theoretical capacity of the negative electrode to that of the positive electrode is in a range of 1.07-1.17. The present invention relates to high-capacity alkaline batteries.Currently, alkaline batteries have been widely used as main power supply for, e.g., toys, game instruments, and portable electronic devices serving as daily commodities, and are desired to have a long life when being used in a device. To achieve a long driving time of a device, the amount of an active material with which the interior of a battery is filled needs to be increased, and the content of manganese dioxide serving as a ...

MOLDING PACKAGING MATERIAL AND MOLDED CASE

The molding packaging material according to the present invention includes a heat resistant resin layer as an outer layer, a thermoplastic resin layer as an inner layer, a metal foil layer arranged between the heat resistant resin layer and the thermoplastic resin layer, and a black ink layer arranged between the metal foil layer and the heat resistant resin layer . The black ink layer contains carbon black, diamine, polyol, and hardening agent. The black ink layer does not partially crack and detach even when the molding packaging material according to the present invention is used in a somewhat harsh environment such as a hot and humid environment and/or at the time of molding or sealing. 1. A molding packaging material comprising:a heat resistant resin layer as an outer layer;a thermoplastic resin layer as an inner layer;a metal foil layer arranged between the heat resistant resin layer and the thermoplastic resin layer; anda black ink layer arranged between the metal foil layer and the heat resistant resin layer,wherein the black ink layer contains carbon black, diamine, polyol, and a hardening agent, andwherein an amount of the hardening agent contained in the black ink layer per 100 mass parts of a total amount of the carbon black, the diamine and the polyol of the black ink layer is 2 to 20 mass parts.2. The molding packaging material as recited in claim 1 , wherein claim 1 , in the black ink layer claim 1 ,a content rate of the carbon black is 15 to 60 mass %, anda total content rate of the diamine, the polyol, and the hardening agent is 40 to 85 mass %.3. The molding packaging material as recited in claim 1 ,wherein one or more polyols selected from the group consisting of polyurethane series polyol, polyester series polyol, and polyether series polyol is used as the polyol.4. The molding packaging material as recited in claim 1 ,wherein one or more diamines selected from the group consisting of ethylene diamine, dimer diamine, 2-hydroxyethyl ethylene ...

Nonaqueous electrolyte secondary battery

In one embodiment, a nonaqueous electrolyte secondary battery includes an electrode group, a battery container, an insulation member, and a nonaqueous electrolyte solution. The electrode group includes a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode. The insulation member, which insulates the positive electrode and the negative electrode from the battery container and absorbs vibration, includes a resin and an inorganic material and has a bending elastic modulus between 600 MPa and 1,500 MPa, a specific heat between 0.25 cal/° C.·g and 0.40 cal/° C.·g, and a thermal conductivity between 0.3 W/m·K and 0.6 W/m·K.

LITHIUM STORAGE BATTERY COMPRISING AN IONIC LIQUID ELECTROLYTE

The invention relates to a lithium storage battery comprising at least one electrochemical cell arranged in a tightly sealed packaging. The electrochemical cell is formed by a stack comprising a separator arranged between first and second electrodes. The separator is impregnated by an ionic liquid electrolyte comprising a mixture of a lithium salt, vinyl ethylene carbonate and an ionic liquid of formula C+A− in which C+ represents a cation and A− represents an anion. The first electrode comprises an electrochemically active material and a polymer-based binder chosen from polyacrylic acid (PAA) and sulfonated perfluoropolymers. 112-. (canceled)13. A lithium storage battery comprising at least one electrochemical cell arranged in a tightly sealed packaging and formed by a stack comprising a separator arranged between first and second electrodes , said separator being impregnated by an ionic liquid electrolyte comprising a mixture of a lithium salt , vinyl ethylene carbonate and an ionic liquid of formula CA wherein C represents a cation and A represents an anion , and said first electrode comprising an electro-chemically active material and a polymer-based binder , wherein the polymer is polyacrylic acid , the mean molecular weight of polyacrylic acid being comprised between 1 ,250 ,000 g.mol and 2 ,000 ,000 g.mol.14. The storage battery according to claim 13 , wherein the percentage of electrochemically active material with respect to the total weight of the first electrode is greater than or equal to 90% by weight and less than 100%.15. The storage battery according to claim 13 , wherein the mean molecular weight of polyacrylic acid is equal to 1 claim 13 ,250 claim 13 ,000 g.mol.16. The storage battery according to claim 13 , wherein the electrochemically active material is a Lithium Li+ insertion material.17. The storage battery according to claim 13 , wherein the first electrode comprises more than 90% by weight of the electrochemically active material and 4% by ...

DEGASSING METHOD OF SECONDARY BATTERY USING CENTRIFUGAL FORCE

Disclosed is a method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case made of a laminate sheet having a resin layer and a metal layer, which includes: (a) mounting the electrode assembly in the battery case and sealing the periphery of the battery case except for one end part thereof through thermal fusion; (b) introducing the electrolyte through the unsealed end part and sealing the end via thermal fusion; (c) charging-discharging the battery cell to activate the same; (d) transferring gas generated during activation and excess electrolyte to the foregoing end part of the battery cell by centrifugal force; and (e) removing the gas and excess electrolyte from the end part. 1. A method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case made of a laminate sheet having a resin layer and a metal layer , comprising:(a) mounting the electrode assembly in the battery case and sealing the periphery of the battery case except for one end part thereof through thermal fusion;(b) introducing the electrolyte through the unsealed end part and sealing the end part via thermal fusion;(c) charging-discharging the battery cell to activate the same;(d) transferring gas generated during activation and excess electrolyte to the foregoing end part of the battery cell by centrifugal force; and(e) removing the gas and excess electrolyte from the end part.2. The method according to claim 1 , wherein the laminate sheet has a laminate structure comprising an external resin layer claim 1 , a barrier metal layer for shielding air and moisture claim 1 , and a thermally fusible internal resin layer.3. The method according to claim 1 , wherein the electrode assembly has a winding type claim 1 , stack type or stack/folding type structure.4. The method according to claim 1 , wherein the battery case has a rectangular structure in a plan view and the end part is one edge side of the ...

Electric storage cell, electric storage apparatus, and vehicle having electric storage apparatus

An electric storage cell includes a hard casing configured to house an electric storage element and electrolyte, and an electrode terminal connected to a charge collector of the electric storage element and exposed to an outside of the hard casing, the electric storage cell being chargeable/dischargeable using the electrode terminal, wherein the electrode terminal has a charge collector connecting portion connected to the charge collector through an opening formed in the hard casing, and a main body bonded to an outer circumferential surface of the hard casing to make a surface contact.

BATTERY

According to one embodiment, a battery includes, an electrode body includes a positive electrode plate, a negative electrode plate, and an insulating separator disposed between the positive and negative electrode plates, a lead electrically connected to the electrode body, and a metal terminal includes a cavity electrically connected to the lead at any one point. 1. A battery comprising:an electrode body comprising a positive electrode plate, a negative electrode plate, and an insulating separator disposed between the positive and negative electrode plates;a lead electrically connected to the electrode body; anda metal terminal comprising a cavity electrically connected to the lead at any one point.2. The battery of claim 1 , wherein the cavity is formed so that a region near a central portion thereof electrically connected to the lead is thinner-walled than a part of a side peripheral portion thereof claim 1 , the central portion and the lead being electrically connected to each other by welding.3. The battery of claim 1 , wherein the cavity comprises a substantially flat central portion and a side peripheral portion formed substantially perpendicular to the central portion.4. The battery of claim 3 , wherein the inner surface of the side peripheral portion is substantially cylindrical claim 3 , and the substantially flat central portion is substantially circular.5. A battery comprising:an electrode body comprising a positive electrode plate, a negative electrode plate, and an insulating separator disposed between the positive and negative electrode plates;a lead electrically connected to the electrode body; anda metal terminal comprising a through hole portion and a side peripheral portion electrically connected to the lead.6. The battery of claim 1 , further comprising a plastic first case member comprising the terminal and a plastic second case member which accommodates the electrode body.7. The battery of claim 6 , wherein the lead comprises a connector ...

BATTERY ASSEMBLY AND ELECTRICALLY CONDUCTIVE MEMBER

According to one embodiment, battery assembly includes casing, accumulators, and conductive member. The conductive member has two first walls, two second walls, and third wall. One of the first walls is connected to one of a cathode and an anode of one of the accumulators, and extended along a front surface of the casing. Other one of the first walls is connected to one of the cathode and the anode of other one of the accumulators, and extended along the front surface. The second walls are connected to the first walls via two first curve portions, respectively, and extended in direction crossing the front surface. The third wall is connected to the second walls via two second curve portions, respectively, and extended over between the two second walls in direction along the front surface at a position apart from the front surface. 1. A battery assembly comprising:a casing having a front surface and provided with a plurality of containers;a plurality of electric accumulators housed in the containers, respectively, each of the electric accumulators having a cathode and an anode; and one of the first walls is connected to one of the cathode and the anode of one of the electric accumulators and extended along the front surface of the casing,', 'other one of the first walls is connected to one of the cathode and the anode of other one of the electric accumulators and extended along the front surface of the casing,', 'the second walls are connected to the first walls via two first curve portions, respectively, and are extended in a direction crossing the front surface,', 'the third wall is connected to the second walls via two second curve portions, respectively, and extended over between the two second walls in a direction along the front surface at a position apart from the front surface., 'a conductive member having two first walls, two second walls, and a third wall, wherein'}2. The battery assembly of claim 1 , wherein the third wall is bent in a state so as to be ...

BATTERY CASE FOR SECONDARY BATTERY

Disclosed herein is a battery case including a receiving part having an electrode assembly mounted therein, wherein the receiving part, which is formed by deforming a sheet type base material, is configured to have a stair-like structure in which at least one corner and/or surface forming a shape of the receiving part is deformed. 1. A battery case comprising a receiving part having an electrode assembly mounted therein , wherein the receiving part , which is formed by deforming a sheet type base material , is configured to have a stair-like structure in which at least one corner and/or surface forming a shape of the receiving part is deformed.2. The battery case according to claim 1 , wherein the base material is formed of a laminate sheet comprising a resin layer and a metal layer.3. The battery case according to claim 2 , wherein the base material comprises an upper layer of a first polymer resin claim 2 , an intermediate layer of a blocking metal claim 2 , and a lower layer of a second polymer resin.4. The battery case according to claim 1 , wherein the base material has a thickness of 0.3 mm to 6 mm.5. The battery case according to claim 1 , wherein the receiving part has a side wall configured to have a stair-like structure comprising two or more steps claim 1 , and the steps have heights gradually decreased in a depth direction of the receiving part.6. The battery case according to claim 5 , wherein claim 5 , in a case in which the stair-like structure comprises n steps claim 5 , an n-th step is located at a lowermost end of the stair-like structure in the depth direction of the receiving part claim 5 , an (n−1)-th step is located at a top of the n-th step claim 5 , and the n-th step has a smaller height than the (n−1)-th step.7. The battery case according to claim 6 , wherein the height of the n-th step is equivalent to 50 to 90% of that of the (n−1)-th step.8. The battery case according to claim 6 , wherein a thickness of the side wall of the receiving part ...

METHOD FOR MANUFACTURING SEALED CELL

A method for manufacturing a sealed cell includes the step of welding the joint between an outer can and a sealing body by applying high-energy radiation. Grooves are formed on the outer peripheral surface of the sealing body and/or a portion of the inner peripheral surface of the outer can, the portion facing the outer peripheral surface of the sealing body, the grooves being communicated with at least one of inside and outside the cell. A groove-forming region is formed of a plurality of the grooves having widths of 70 to 600 μm and spacings of 70 to 600 μm therebetween. The welding step applies the beam so that the deepest part of a melting section formed when the materials of the outer can and of the sealing body are melted by the beam can be located below the upper ends of the grooves forming the groove-forming region. 1. A method for manufacturing a sealed cell , the method comprising the step of:welding a joint between an outer can and a sealing body by applying high-energy radiation, whereina plurality of grooves are formed on an outer peripheral surface of the sealing body and/or a portion of an inner peripheral surface of the outer can, the portion facing the outer peripheral surface of the sealing body, the grooves being communicated with at least one of inside and outside the cell; anda groove-forming region is formed of a plurality of the grooves having widths of 70 to 600 μm and spacings of 70 to 600 μm therebetween,wherein the step of welding is a step of applying the high-energy radiation in such a manner that a deepest part of a melting section formed when a material of the outer can and a material of the sealing body are melted by the high-energy radiation can be located below upper ends of the grooves forming the groove-forming region.2. The method of claim 1 , whereinthe outer can and the sealing body are both made of aluminum-based material.3. The method of claim 1 , whereinthe outer can and the sealing body do not function as electrode external ...

SECONDARY BATTERY

Terminal insulating members A, B have inner side surfaces of a first support base A facing each other, and an engaging recesses extending along a surface of a cover are formed in inner surfaces of both the terminal insulating members. An outer surface along a short side of the cover in a second support base A is formed with an engaging recess extending along a cover surface. The engaging recesses and of both the terminal insulating members are arranged to face each other. Further, both the terminal insulating members are also provided with engaging recesses having a substantially circular cross-sectional shape on both side surfaces along a long side of the cover. The configuration can be used for positioning or fixing an accessory loaded into a secondary battery SB. As a result, a part only for loading an external part is unnecessary. 1. A secondary battery , comprising:a power generation body that is housed within a battery container sealed with a cover;positive and negative external terminals that are disposed on the cover and connected to the power generation body through the positive and negative power collection members, respectively; anda pair of terminal insulating members that isolate the respective positive and negative external terminals from the cover,wherein at least one of the pair of terminal insulating members is formed with a fitting portion for loading an external part into the battery container.2. The secondary battery according to claim 1 ,wherein the positive and negative external terminals are connected to positive and negative plates of the power generation body through positive and negative collection plates, respectively.3. The secondary battery according to claim 2 , further comprising: a gas collection duct provided in the cover as the external part so as to cover a gas exhaust valve disposed in the cover claim 2 , in which the fitting portion is an engaging portion claim 2 ,wherein the gas collection duct is provided with a locking portion ...

Lithium-Iron Disulfide Cell Design

The invention relates to electrochemical cells having a jellyroll electrode assembly that includes a lithium-based negative electrode, a positive electrode with a coating comprising greater than about 94 wt. % of iron disulfide. 1. A method of making a lithium-FeSbattery with at least 4 Wh of capacity on a 1000 mW constant power drain comprising the steps of:a. selecting a container having a size appropriate for FR6 batteries;{'sub': '2', 'b. determining an amount of FeSnecessary to insure that, when the cell is fully discharged, radial force of expansion is between 50% to 80% of the yield strength of the container when radial expansion forces are at a maximum during discharge of the battery under any conditions;'}{'sub': 2', '2, 'c. providing FeSin the determined amount to a slurry mixture and coating the slurry mixture onto a metallic foil current collector and drying said coated mixture to form a cathode coating, said cathode coating having greater than 95 wt. % of FeSas compared to the total weight of solids in the cathode coating;'}d. forming a jellyroll electrode assembly by winding the coated current collector with a separator and an anode strip consisting essentially of lithium or a lithium alloy;e. placing the jellyroll electrode assembly within the cylindrical container and closing the container.2. An electrochemical cell made according to the method of .3. The method of claim 1 , wherein the force of radial expansion is between 70% to 80% of the yield strength of the container when radial expansion forces are at a maximum during discharge of the battery under any conditions.4. The method of claim 1 , further comprising densifying the cathode coating to have at least one of the following: a loading of at least 24 mg/cm claim 1 , a void volume between 28% and 40% and a thickness claim 1 , exclusive of the current collector claim 1 , greater than 80 microns and less than 102 microns.5. A method of making a lithium-FeSbattery with at least 1950 mAh of ...

RECHARGEABLE BATTERY

A battery may include an electrode assembly including a first electrode and a second electrode, an electrode terminal, a current collecting member electrically connecting the electrode terminal and a first electrode uncoated region of the first electrode, a fixing member, and a case. The current collecting member may include a terminal connecting portion coupled to the electrode terminal and an electrode connecting portion extending from the terminal connecting portion. The electrode connecting portion may include an extending connecting plate and a current collecting piece extending from the connecting plate and being in contact with the first electrode uncoated region along sidewalls of the first electrode uncoated region. The fixing member may include a current collecting member coupling portion engaged with the current collecting member, the electrode connecting portion extending through the fixing member. The fixing member may be between the current collecting member and the case. 1. A battery , comprising:an electrode assembly including a first electrode and a second electrode;an electrode terminal; a terminal connecting portion coupled to the electrode terminal, and', an extending connecting plate, and', 'a current collecting piece extending from the extending connecting plate along the first electrode uncoated region, the current collecting piece being in contact with the first electrode uncoated region along sidewalls of the first electrode uncoated region;, 'an electrode connecting portion extending from the terminal connecting portion, the electrode connecting portion including], 'a current collecting member electrically connecting the electrode terminal and a first electrode uncoated region of the first electrode, the current collecting member includinga fixing member including a current collecting member coupling portion engaged with the current collecting member, the electrode connecting portion extending through the fixing member; anda case, the ...

SECONDARY BATTERY

A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case. 120-. (canceled)21. A secondary battery , comprising:an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode;current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively;a case, the case accommodating the electrode assembly and the current collectors;a cap plate, the cap plate coupled to an opening in the case; andan insulating member, the insulating member insulating at least one of the electrode assembly and the current collectors from the case,wherein:the insulating member includes a protuberance pattern on at least one surface thereof,the protuberance pattern is in the form of high and low regions, the low regions being spaced apart from the high regions, andthe low regions are spaced apart from the at least one of the electrode assembly and the current collectors.22. The secondary battery as claimed in claim 21 , wherein a shape of the insulating member corresponds to a shape of the at least one of the electrode assembly and the current collectors.23. The secondary battery as claimed in claim 21 , wherein a shape of the surface of the insulating member with the protuberance pattern ...

ELECTRIC STORAGE DEVICE

In order to accurately protect current collectors included in an electric storage device, the electric storage device includes an electric storage element arranged inside an electric storage device case BC; an electrode terminal arranged outside the electric storage device case; a current collector including a first posture part FP and a second posture part SP, the first posture part FP extending along a surface of the electric storage device case on which the electrode terminal is arranged, the second posture part SP extending from an end portion of the first posture part toward the side opposite to the electrode terminal, the current collector fixed at the first posture part FP by means of a fixing member penetrating through an opening formed in the electric storage device case, the current collector supporting the electric storage element by the second posture part SP, thereby electrically connecting the electrode terminal and the electric storage element ; and a reinforcing member arranged on the side of the first posture part FP where the electric storage element is present, so as to extend longer toward the second posture part side than the fixing member , and sandwiched and fixed between the first posture part FP and the fixing member 1. An electric storage device comprising:an electric storage element arranged inside an electric storage device case;an electrode terminal arranged outside the electric storage device case;a current collector including a first posture part and a second posture part, the first posture part extending along a surface of the electric storage device case on which the electrode terminal is arranged, the second posture part extending from an end portion of the first posture part toward the side opposite to the electrode terminal, the current collector fixed at the first posture part by means of a fixing member penetrating through an opening formed in the electric storage device case, the current collector supporting the electric ...

Integrated Thermal Event Suppression Apparatus

A method of suppressing thermal event for an automotive battery pack having a thermal event suppression apparatus attached to said battery pack; wherein said suppression apparatus has a nozzle that sprays a fire extinguishing media, and having said nozzle extended into a housing of said battery pack; and wherein said suppression apparatus has a thermal event detector to detect a threshold temperature, and said detector triggers a valve to open, allowing said nozzle to spray said media into the housing. 1. A thermal event suppression apparatus for an automotive battery pack comprising:a fire extinguishing media case;a fire extinguishing media enclosed within said media case;a spray nozzle;a conduit fluidly connecting said media case to said nozzle, and wherein said nozzle is adapted to be enclosed within a housing of the battery pack;a thermal event detector coupled to the conduit, wherein the thermal event detector controls the opening of a valve in the conduit based on a temperature surrounding the thermal event detector.2. The apparatus of claim 1 , wherein the nozzle is adapted to spray said media within said housing of the battery pack.3. The apparatus of claim 2 , wherein the thermal event detector is a metallic strip detector claim 2 , and wherein a metallic strip in the detector melts under a specific heat threshold.4. The apparatus of claim 2 , wherein the thermal event detector has a thermal sensor claim 2 , said thermal sensor is connected to an electrical control unit.5. The apparatus of claim 4 , wherein the thermal sensor triggers the electrical control unit when the thermal sensor senses a temperature over a specific threshold.6. The apparatus of claim 2 , further including an attachment support to attach the extinguishing media case on one side of the housing of the battery pack.7. The apparatus of claim 1 , wherein the fire extinguishing media is at least one of a class A type claim 1 , class B type claim 1 , class C type claim 1 , and class D type ...

BATTERY AND METHOD OF USE

A battery includes a battery case including battery chemistry for supplying electricity, a first end, and a second end opposite the first end; a first positive terminal, a first negative terminal, a first conductive communications link, and first insulators electrically isolating the terminals and link at the first end, and together form a first terminal configuration; a second positive terminal, a second negative terminal, a second conductive communications link, and second insulators electrically isolating the terminals and link at the second end, and together form a second terminal configuration, wherein the second terminal configuration is a mirror image of the first terminal configuration. 1. A battery , comprising:a battery case including battery chemistry for supplying electricity, a first end, and a second end opposite the first end;a first positive terminal, a first negative terminal, a first conductive communications link, and first insulators electrically isolating the terminals and link at the first end, and together form a first terminal configuration;a second positive terminal, a second negative terminal, a second conductive communications link, and second insulators electrically isolating the terminals and link at the second end, and together form a second terminal configuration,wherein the second terminal configuration is a mirror image of the first terminal configuration.2. The battery of claim 1 , wherein the battery is rechargeable.3. The battery of claim 1 , wherein the battery chemistry lithium-ion chemistry.4. The battery of claim 1 , wherein the battery chemistry is zinc-carbon chemistry.5. The battery of claim 1 , wherein the battery chemistry is lead-acid chemistry.6. The battery of claim 1 , wherein the battery chemistry is alkaline chemistry.7. The battery of claim 1 , wherein the battery is elongated and cylindrical in shape.8. The battery of claim 1 , wherein the first positive terminal and the second positive terminal are circular claim ...

Ultracapacitor and integrated battery combination

This disclosure provides systems, methods and apparatus for a combined battery/capacitor energy storage device. In one aspect, the device includes a housing with an integrated battery housing portion, a capacitor housing portion, and a housing lid. A plurality of battery electrodes and electrolyte are contained directly within the integrated battery housing portion and are configured to form an integrated battery within the integrated battery housing portion. The capacitor is connected in parallel with the battery and contained within the capacitor housing portion. A first device terminal and a second device terminal extending through the housing.

ULTRACAPACITOR/BATTERY COMBINATION AND BUS BAR SYSTEM

This disclosure provides systems, methods and apparatus for a combined battery/capacitor energy storage device. The energy storage device includes an energy storage device housing, with a battery housing portion, a capacitor housing portion, and a housing lid. The energy storage device includes a battery disposed within the battery housing portion. The battery includes a first battery terminal extending through a battery lid enclosing the battery housing portion. The energy storage device includes a capacitor disposed within the capacitor housing portion and connected in parallel with the battery. The capacitor includes a first capacitor terminal. The energy storage device includes a first bus bar electrically connecting the first battery terminal and the first capacitor terminal. The energy storage device includes a first external device terminal extending through the energy storage device housing and configured to electrically connect to the first battery terminal and the bus bar. 1. An energy storage device , comprising: a battery housing portion;', 'a capacitor housing portion; and', 'a housing lid configured to cover the battery housing portion and the capacitor housing portion;, 'an energy storage device housing comprisinga battery disposed within the battery housing portion, the battery comprising a first battery terminal extending through a battery lid enclosing the battery housing portion;a capacitor disposed within the capacitor housing portion and connected in parallel with the battery, the capacitor comprising a first capacitor terminal;a first bus bar electrically connecting the first battery terminal and the first capacitor terminal;a first external device terminal extending through the energy storage device housing and configured to electrically connect to the first battery terminal and the bus bar.2. The energy storage device of claim 1 , wherein the first external device terminal comprises a stud configured to extend through an opening in the ...

CONTOURED BATTERY FOR IMPLANTABLE MEDICAL DEVICES AND METHOD OF MANUFACTURE

A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. The cover and the shallow case being substantially hermetically sealed by a laser weld technique and an insulator member disposed within the case to provide a barrier to incident laser radiation so that during welding radiation does not impinge upon radiation sensitive component(s) disposed within the case. 1. An electrochemical cell comprising an insulator , wherein the electrochemical cell comprises a cell housing joinable to a cell cover , the insulator comprising:a case having a bottom, an open top to receive an electrode assembly, and at least one side extending from said bottom; andsaid insulator being opaque to a laser beam.2. An electrochemical cell according to comprising slots to receive at least one cathode tab and at least one anode tab.3. An electrochemical cell according to claim 2 , wherein the slots are located on the at least one side.4. An electrochemical cell according to claim 1 , wherein the case bottom is adjacent to the cell cover and provides an electrical barrier between the electrode assembly and the cell cover.5. An electrochemical cell according to claim 4 , wherein the electrode assembly is up to five millimeters from a weld joint joining the cell cover with the cell housing.6. An electrochemical cell according to claim 5 , wherein the case provides a thermal barrier between the weld joint and the electrode assembly.7. An electrochemical cell according ...

Leak-Proof Packaging for Wet Batteries

A leak-proof package for at least one defective battery containing corrosive liquid. The inventive package has at least three layers and includes an inner container configured to accept the battery therewithin, a fluid-impermeable intermediate container sealing the inner container therewithin, and an outer container enclosing the intermediate container such that the liquid-containing defective battery is protectively packaged for leak-free transportation. Another aspect of the present invention is a method for packaging at least one battery containing corrosive liquid by loading the battery into the inner container which is sealed within the intermediate container inside the locked outer container such that the liquid-containing defective battery is protectively packaged for leak-free transportation. 2. The package of wherein the configured inner container is of a cushioning material and the outer container is of a substantially stiff material.3. The package of wherein the inner and outer containers are each made of corrugated cardboard.4. The package of wherein the inner container is made of an absorbent material.5. The package of further including at least one absorbent pad along an inner-container bottomwall.6. The package of wherein the inner-container and outer-container closures and the fluid-impermeable intermediate container are re-closeable permitting repeated opening and closing of the leak-proof package.7. The package of wherein the inner container is made of a sheet folded and erected to form a substantially rectangular box with the inner-container surrounding wall including an inner-container bottomwall and an inner-container sidewall extending therefrom claim 1 , the inner-container topwall being connected to the inner-container sidewall.8. The package of wherein the intermediate container is a plastic bag which is protected from puncture by being between the inner and outer containers.9. The package of wherein the inner-container surrounding wall is ...

RECHARGEABLE BATTERY

A rechargeable battery includes an electrode assembly including a positive electrode and a negative electrode, a case having a space accommodating the electrode assembly and including a support at a corner inside the case, and a cap plate coupled to an opening of the case and supported by the support. 1. A rechargeable battery comprising:an electrode assembly comprising a positive electrode and a negative electrode;a case having a space accommodating the electrode assembly, and comprising a support at a corner inside the case; anda cap plate coupled to an opening of the case and supported by the support.2. The rechargeable battery of claim 1 , wherein the support protrudes from the corner of the case.3. The rechargeable battery of claim 2 , wherein the support protrudes inwardly from the corner of the case.4. The rechargeable battery of claim 1 , wherein an upper end of the support is positioned to be spaced apart from the opening of the case and is in contact with a lower surface of the cap plate.5. The rechargeable battery of claim 1 , wherein the support extends along a height direction of the corner.6. The rechargeable battery of claim 1 , wherein the case has two front surfaces facing each other and two lateral surfaces connecting lateral ends of the front surfaces claim 1 , non-step portions are at inner sides of the front surfaces and the lateral surfaces and a step portion is at the corner positioned between the non-step portions.7. The rechargeable battery of claim 6 , wherein the corner has a thickness greater than that of the front surfaces and the lateral surfaces.8. The rechargeable battery of claim 1 , wherein the corner has an arc shape and a curvature of the inner surface of the support facing the interior of the case is greater than that of the outer surface of the corner.9. The rechargeable battery of claim 1 , wherein the corner has an arc shape claim 1 , and the inner surface of the support facing the interior of the case is planar.10. The ...

Battery module case

The present invention relates to a battery module case, and more particularly, to a battery module case in which sub-battery modules are slidably mounted in a vertical or horizontal direction, wherein each sub-battery module comprises one or more battery cells, electrode tabs extending in one direction from the respective battery cells, and a pouched type case consisting of aluminum laminate sheets for covering the surfaces of the battery cells, except for the surfaces on which the electrode tabs are formed. The battery module case of the present invention is formed into an assembly type structure to be coupled to the outer surfaces of the sub-battery modules, wherein the outer surfaces include surfaces on which the electrode tabs are formed. At least two or more sub-battery modules are stacked and arranged in parallel, such that the surfaces on which the electrode tabs are formed are aligned in the same direction.

METHOD FOR PROVIDING A STRETCHABLE POWER SOURCE AND DEVICE

Disclosed in this specification is a method for providing a stretchable power source and corresponding device. The device has at least two stretchable fabrics with silver-coated fibers. Each fabric has cathodic and anodic materials, respectively, deposited between the fibers. The fibers are sealed with an elastomeric pouch having an electrolyte. The stretchable power source has substantially no change in discharge capacity when stretched from 0% strain to 100% strain. 1. A stretchable power source comprising:a first stretchable fabric comprising silver-coated first polymeric fibers and a cathodic material deposited between the first polymeric fibers;a second stretchable fabric comprising silver-coated second polymeric fibers and an anodic material deposited between the second polymeric fibers;an ectrolyte;an elastomeric pouch containing the electrolyte, the first stretchable fabric and the second stretchable fabric;wherein the stretchable power source has substantially no change in discharge capacity as the stretchable power source is stretched from 0% strain to 100% strain.2. The stretchable power source as recited in claim 1 , wherein the first stretchable fabric and second stretchable fabric are separated by a gap filled with the electrolyte.3. A stretchable power source comprising:a first stretchable fabric comprising silver-coated first polymeric fibers and Zn deposited between the first polymeric fibers;{'sub': '2', 'a second stretchable fabric comprising silver-coated second polymeric fibers and MnOdeposited between the second polymeric fibers;'}an electrolyte;an elastomeric pouch containing the electrolyte, the first stretchable fabric and the second stretchable fabric.4. The stretchable power source as recited in claim 3 , wherein the first stretchable fabric further comprises a first rubber matrix claim 3 , the first rubber matrix and the first polymeric fibers being perpendicular to one another.5. The stretchable power source as recited in claim 4 , ...

THIN FILM BATTERY PACKAGE

A thin film battery package includes: a case having an open top side and defining a predetermined space therein, wherein the case has one side at which first and second electrodes formed of a metal material are exposed and electrically connected to the outside; a battery block on which a plurality of unit batteries are stacked so that the plurality of unit batteries is electrically connected between a first terminal and a second terminal, wherein the battery block is seated within the case so that the first and second terminals of the unit battery disposed at one end thereof are electrically connected to the first and second electrodes; and a cover sealed and coupled to the top surface of the case. 1. A thin film battery package comprising:a case having an internal space open at a top side thereof, and including first and second electrodes made of metal and coupled thereto while penetrating the case to be electrically connected to an interior and an exterior of the case;a battery block formed by stacking a plurality of unit cells to be electrically connected to one another, the battery block being seated inside the case, a unit cell at one end of the battery block having a first terminal electrically connected to the first electrode and a second terminal electrically connected to the second electrode; anda cover sealingly coupled to the top side of the case.2. A thin film battery package comprising:a case having an internal space open at a top side thereof, and including first and second electrodes made of metal and coupled thereto while penetrating the case to be electrically connected to an interior and an exterior of the case;a unit cell seated inside the case and having a first terminal electrically connected to the first electrode and a second terminal electrically connected to the second electrode; anda cover sealingly coupled to the top side of the case.3. A thin film battery package comprising:an insulating case having an internal space open at a top side ...

LAMINATING WATER-BASED SURFACE TREATMENT AGENT, SURFACE TREATMENT METHOD AND SURFACE TREATED MATERIAL

A laminating water-based surface treatment agent according to the present invention includes a chitosan derivative, a carboxyl compound having at least one carboxyl group in a molecule, and water. The content mass ratio of the chitosan derivative/the carboxyl compound falls within a range of 1.0/0.5 to 1.0/3.0. The laminating water-based surface treatment agent of the present invention can form an undercoating excellent in HF-resistance, electrolyte resistance, and solvent resistance, and also can sufficiently secure laminating adherence for a long term under more extreme environments required for a packaging material for a battery case or a tab lead for, e.g., a lithium ion secondary battery for automobiles. 1. A laminating water-based surface treatment agent comprising:a chitosan derivative;a carboxylic compound having at least one carboxyl group in a molecule; andwater,wherein a content mass ratio of the chitosan derivative/the carboxyl compound falls within a range of 1.0/0.5 to 1.0/3.0.2. The laminating water-based surface treatment agent as recited in claim 1 ,wherein the chitosan derivative is at least one type of chitosan derivative selected from the group consisting of carboxymethyl chitosan, cationized chitosan, hydroxyalkyl chitosan, glyceryl chitosan, and acid salts of these chitosan, andwherein a substituent introduction rate of the chitosan derivative is 0.3 to 3.0 pieces per chitosan monomer unit, and a weight-average molecular weight of the chitosan derivative is 10,000 to 1,000,000.3. The laminating water-based surface treatment agent as recited in claim 1 , further comprising at least one type of a coupling agent component selected from the group consisting of a silane coupling agent and a hydrolysate thereof claim 1 , andwherein a content mass ratio of the chitosan derivative/the coupling agent component falls within the range of 1.0/0.01 to 1.0/0.1.4. A laminating surface treatment method comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1 ...

Film covered battery and method for screening same

A film covered battery has a battery element equipped with a plurality of electrode plates laminated via separators, and an exterior film for hermetically sealing the battery element. A cover film is attached to a hollow present in predetermined regions set on a surface of the exterior film. The predetermined regions are regions obtained by removing overlap regions from projected regions obtained by projecting the electrode plates to the surface of the exterior film, the overlap regions being regions where the projected regions overlap with members interposed between the electrode plates at the outermost layers and the exterior film. It is possible to cover the hollow on the surface, without increasing the thickness of the film covered battery.

STRUCTURE FOR MOUNTING CYLINDRICAL BATTERY ON ELECTRIC VEHICLE

A cylindrical battery includes a pair of female terminals. One of the pair of female terminals is placed at the axial center of the battery, and provided to recede from one end surface of the battery. The other terminal is placed in a position away from the axial center, to recede from the one end surface of the battery. A male thread portion is provided on an outer peripheral surface of the battery. A handle portion is provided on another end surface of the battery. A female thread portion to be threadedly engaged with the male thread portion is provided in an inner peripheral surface of the battery box. A pair of male terminals are provided on a bottom surface of the battery box. The battery is designed to be detachably mounted inside the battery box by being rotated inside the battery box. 1. A battery for an electric vehicle , said battery comprising:a pair of female terminals, one female terminal of the pair of female terminals being in an axial center of the battery, said one female terminal being recessed from a first end surface of the battery, and another female terminal of the pair of female terminals being disposed in a position away from the axial center, and recessed from the first end surface of the battery;an outer peripheral surface, said outer peripheral surface including a male thread portion thereupon, wherein said male thread portion is configured to engage a female thread portion disposed on an inner peripheral surface of a battery box;a handle portion disposed on a second end surface of the battery;wherein the pair of female terminals are configured to be connected to a corresponding pair of male terminals disposed on a bottom surface of the battery box, and wherein the battery is configured to be detachably mounted inside the battery box by being rotated therein, whereby the male thread portion of the battery engages the female thread portion of the battery box.2. The battery according to claim 1 , wherein a first male terminal is configured ...

Housing for accommodating a flat electrochemical cell

A housing ( 1 ) for accommodating at least one flat electrochemical cell ( 2 ), which has a seal seam ( 3 ) extending at least regionally along the edge of said cell, comprises two housing side walls ( 4 ) which are arranged substantially parallel to one another and which are provided, in the mutually opposite inner surfaces thereof, with a pair of incisions ( 5 ) situated opposite one another for each cell ( 2 ) that is to be accommodated, said incisions being designed to accommodate the at least one seal seam ( 3 ) of the particular cell ( 2 ). The housing ( 1 ) here is preferably formed of a foam material.

BATTERY CELL OF ASYMMETRIC STRUCTURE AND BATTERY PACK EMPLOYED WITH THE SAME

Disclosed herein is a battery cell configured to have a structure in which an electrode assembly including a separator disposed between a cathode and an anode is mounted in a battery case, wherein an asymmetric structure with respect to a central axis crossing the electrode assembly in plane is formed at a portion of at least one side of the electrode assembly constituting the outer circumference of the electrode assembly. 1. A battery cell configured to have a structure in which an electrode assembly comprising a separator disposed between a cathode and an anode is mounted in a battery case , wherein an asymmetric structure with respect to a central axis crossing the electrode assembly in plane is formed at a portion of at least one side of the electrode assembly constituting an outer circumference of the electrode assembly.2. The battery cell according to claim 1 , wherein the battery case is formed of a laminate sheet comprising a metal layer and a resin layer.3. The battery cell according to claim 1 , wherein the battery cell is a plate-shaped battery cell having both electrode terminals located at one side thereof claim 1 , or a plate-shaped battery cell having electrode terminals located at opposite sides thereof claim 1 , or a plate-shaped battery cell having electrode terminals located at one side and a neighboring side thereof.4. The battery cell according to claim 1 , wherein the asymmetric structure comprises a curved portion.5. The battery cell according to claim 4 , wherein the curved portion is formed at at least one side of the electrode assembly in plane.6. The battery cell according to claim 4 , wherein the curved portion comprises one arc or more successive arcs claim 4 , and each of the arcs is curved toward an outside of the battery cell in a convex form.7. The battery cell according to claim 6 , wherein the curved portion is an arc having a radius equivalent to 10% to 200% of a longer side of the electrode assembly.8. The battery cell according ...

Flexible battery and flexible electronic device including the same

A flexible battery and a flexible electronic device including the flexible battery as a power source. The flexible battery includes a cell stack comprising a plurality of unit cells, and an external casing sealing the cell stack, wherein each of the unit cells comprises a negative electrode, a positive electrode, an electrolyte layer disposed between the negative electrode and the positive electrode, and a first polymer film at least partially surrounding the negative electrode, the positive electrode, and the electrolyte layer.

Crimped, prismatic battery structure

A battery housing is comprised of a unitary, seamless base member having a generally planar, quadrilateral bottom face with a side wall extending therefrom. The length dimension of the bottom face is at least twice the height of the side wall. The base member has an open top face. The housing includes a cover which closes the open top face and is engageable with the side wall of the base. An electrically resistive sealing gasket is configured to contact the cover member and the side wall so as to provide a fluid-tight seal. The components are mechanically interlocked by crimping or hemming. The housing is specifically configured to accommodate stacking of individual batteries into power assemblies, and the geometry of the housing optimizes thermal management. Further disclosed are batteries and battery assemblies including the housing.

Secondary Battery With Enhanced Contact Resistance

A secondary battery is configured to reduce contact resistance by improving structures of an electrode tab and a lead. The secondary battery with enhanced contact resistance includes an electrode assembly in which a cathode plate having a cathode tab, an anode plate having an anode tab and a separator are stacked alternately, a battery case accommodating the electrode assembly, and an anode lead electrically connected to the anode tab, wherein the battery case is sealed while accommodating the electrode assembly, and the anode lead and the cathode tab are exposed out of the battery case. 1. A secondary battery with enhanced contact resistance , comprising:an electrode assembly in which a cathode plate having a cathode tab, an anode plate having an anode tab and a separator are stacked alternately;a battery case accommodating the electrode assembly; andan anode lead electrically connected to the anode tab,wherein the battery case is sealed while accommodating the electrode assembly, and the anode lead and the cathode tab are exposed out of the battery case.2. The secondary battery with enhanced contact resistance according to claim 1 , wherein a portion of the cathode tab claim 1 , which is exposed out of the sealed battery case claim 1 , is plated with metal having higher electric conductivity than the cathode tab.3. The secondary battery with enhanced contact resistance according to claim 1 , wherein a portion of the cathode tab claim 1 , which is exposed out of the sealed battery case claim 1 , is plated with copper.4. The secondary battery with enhanced contact resistance according to claim 1 , further comprising a cathode lead electrically connected to the cathode tab exposed out of the sealed battery case.54. The secondary battery with enhanced contact resistance according to claim claim 1 , wherein the cathode lead is made of copper.6. The secondary battery with enhanced contact resistance according to claim 4 , wherein the cathode lead has a bus bar form.7. ...

SECONDARY BATTERY

A secondary battery includes an electrode assembly having a first electrode, a second electrode, and a separator located between the first electrode and the second electrode; a first collector plate electrically coupled to the first electrode, wherein the first collector plate has a first fuse hole and includes at least one first reinforcement protrusion having a first reinforcement groove and being spaced from the first fuse hole; a second collector plate electrically coupled to the second electrode; a case housing the electrode assembly, the first collector plate and the second collector plate, the case having an upper opening; and a cap assembly sealing the upper opening of the case. 111-. (canceled)12. A secondary battery comprising:an electrode assembly comprising a first electrode, a second electrode, and a separator located between the first electrode and the second electrode;a first collector plate electrically coupled to the first electrode, wherein the first collector plate comprises a first connecting portion extending in a first direction and having a first fuse hole, and wherein the first collector plate comprises at least one first reinforcement groove adjacent to the first fuse hole in a second direction perpendicular to the first direction;a second collector plate electrically coupled to the second electrode;a case housing the electrode assembly, the first collector plate and the second collector plate, the case having an upper opening; anda cap assembly sealing the upper opening of the case.13. The secondary battery of claim 12 , wherein the first reinforcement groove is formed by an applied force along a third direction which is perpendicular to the first and second directions.14. The secondary battery of claim 13 , wherein the first collector plate further comprises a first reinforcement protrusion extending around a periphery of the first reinforcement groove.15. The secondary battery of claim 14 , wherein the first reinforcement protrusion ...