DEVICE FOR CLEANING COATING ON LITHIUM-ION BATTERY ELECTRODE SHEET

A device for removing a coating layer of an electrode plate of a lithium-ion battery comprises a conveying system () for conveying an electrode plate () and a laser system (), the laser system comprises at least one laser emitting head () for emitting a laser beam and projecting the laser beam onto the electrode plate and a beam shaping mechanism () for homogenizing energy of the laser beam emitted from the laser emitting head, the laser emitting head and the beam shaping mechanism are electrically connected. In the device for removing the coating layer of the electrode plate of the lithium-ion battery, the beam shaping mechanism is provided, energy of the laser beam can be homogenized, neither damages a foil of the electrode plate so that welding quality of the electrode tab is promoted, nor results in remaining of the coating layer so that the removing quality is promoted, and the energy can be effectively utilized, thereby realizing maximum utilization of the energy of the laser. 1. A device for removing a coating layer of an electrode plate of a lithium-ion battery , comprising a conveying system for conveying an electrode plate and a laser system , the laser system comprising at least one laser emitting head for emitting a laser beam and projecting the laser beam onto the electrode plate , the laser system at least further comprising a beam shaping mechanism for homogenizing energy of the laser beam emitted from the laser emitting head , the laser emitting head and the beam shaping mechanism being electrically connected , and the beam shaping mechanism being provided between the laser emitting head and the electrode plate.2. The device for removing the coating layer of the electrode plate of the lithium-ion battery according to claim 1 , wherein the laser system further comprises a galvanometer scanning mechanism claim 1 , the galvanometer scanning mechanism is electrically connected with the beam shaping mechanism claim 1 , and the galvanometer scanning ...

METHOD FOR REMOVING COATING LAYER OF ELECTRODE PLATE

The present disclosure provides a method for removing a coating layer of an electrode plate, an electrode plate comprises a current collector and a coating layer coated on each of at least one surface of the current collector, the method for removing the coating layer of the electrode plate comprises steps of: (I) wetting the coating layer of the electrode plate within the region where the coating layer will be removed by using a solvent; (II) emitting a laser beam on the coating layer of the electrode plate within the region where the coating layer will be removed to make the solvent which wets the coating layer of the electrode plate within the region where the coating layer will be removed vaporized, so as to remove the coating layer of the electrode plate within the region where the coating layer will be removed and in turn expose the current collector of the electrode plate corresponding to the region where the coating layer will be removed; and (III) getting rid of a residue of the coating layer generated in the step (II). The coating layer of the electrode plate within the region where the coating layer will be removed is wetted in advance by using the solvent, after the laser beam is emitted on the wetted electrode plate, the solvent existing in the electrode plate absorbs the energy of the laser beam so as to be instantaneously vaporized, thereby generating a strong transient pressure, the particles of the coating layer are peeled off from the current collector under the action of the strong pressure, so as to remove the particles of the coating layer, so that it will not damage the electrode plate, thereby avoiding the deformation of the electrode plate.

METHOD FOR REMOVING COATING LAYER OF ELECTRODE PLATE

The present disclosure provides a method for removing a coating layer of an electrode plate, an electrode plate comprises a current collector and a coating layer coated on each of at least one surface of the current collector, the method for removing the coating layer of the electrode plate comprises steps of: (I) fixing a region where the coating layer will be removed of the electrode plate by vacuum adsorption from a surface of the current collector opposite to the surface of the current collector on which the region where the coating layer will be removed is present; (II) emitting a laser beam on the coating layer within the region where the coating layer will be removed from a side of the surface of the current collector on which the region where the coating layer will be removed is present, so as to remove the coating layer of the electrode plate within the region where the coating layer will be removed and in turn expose the current collector of the electrode plate corresponding to the region where the coating layer will be removed; and (III) getting rid of a residue of the coating layer generated in the step (II). The region where the coating layer will be removed of the electrode plate is fixed by the vacuum adsorption firstly and then the coating layer within the region where the coating layer will be removed is removed by the laser beam, because the electrode plate is fixed, it can avoid a deformation of the electrode plate during laser removing due to a stress generated in the coating layer which is heated by the laser beam and a residual stress released by the removed coating layer.

PREPARATION METHOD OF NON-RECTANGULAR LAMINATED CELL

The present disclosure provides a preparation method of non-rectangular laminated cell, which comprises steps of: preparing k kinds of laminated cell units, wherein there are at least two kinds of laminated cell units adopting different electrode plate assemblies which are different in shape and/or size; laminating the k kinds of laminated cell units. The preparation of the i-th (i=1, 2 . . . k) kind of laminated cell unit comprises substeps of: providing a laminated pack: the laminated pack comprises nlaminated groups, the each laminated group comprises melectrode plate assemblies which are the same in shape and size, n≧2, m≧2, the electrode plate assemblies of all the laminated groups of the laminated pack and spacers between the adjacent laminated groups are orderly positioned in a Z-shaped separator in a laminating direction; the separator is broken at an end of the each spacer positioned in the separator. 1. A preparation method of a non-rectangular laminated cell , comprising steps of: [{'sub': i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i, 'providing a laminated pack: the laminated pack (SP) comprising nlaminated groups (SG), the each laminated group (SG) comprising melectrode plate assemblies which are the same in shape and size and the numbers of the electrode plate assemblies of all the laminated groups (SG) being the same or different, and n≧2, m≧2, a spacer (GT) being provided between the adjacent laminated groups (SG), the electrode plate assemblies of all the laminated groups (SG) of the laminated pack (SP) and the spacers (GT) between the adjacent laminated groups (SG) being orderly positioned in a Z-shaped separator (SE) in a laminating direction (S), an upper part and a lower part of the separator (SE) adjacent to the each spacer (GT) being separated by the spacer (GT); and'}, {'sub': i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'P', 'N', 'P', 'N', 'i', 'i', 'i, 'forming a laminated cell unit: the ...

ELECTROCHEMICAL ENERGY STORAGE DEVICE

The present disclosure provides an electrochemical energy storage device comprising a cell (), an electrolyte and a package (). The electrochemical energy storage device further comprises a binding material () positioned between the cell () and the package (). The binding material () comprises a first adhesive layer () and a second functional layer (). The first adhesive layer () is directly or indirectly adhered and positioned on an outer surface of the cell (); the second functional layer () is positioned on a side of the first adhesive layer () opposite to a surface of the first adhesive layer () directly or indirectly adhered on the cell (), the second functional layer () is not adhered to the package () before a pressure is applied, and the second functional layer () is adhered to the package () after the pressure is applied. 1. An electrochemical energy storage device , comprising:{'b': '1', 'a cell () comprising a positive electrode plate, a negative electrode plate and a separator positioned between the positive electrode plate and the negative electrode plate;'}{'b': '1', 'an electrolyte immersesing the cell (); and'}{'b': 2', '1, 'a package () accommodating the cell () and the electrolyte;'}the electrochemical energy storage device further comprising:{'b': 3', '1', '2, 'claim-text': [{'b': 31', '1, 'a first adhesive layer () directly or indirectly adhered and positioned on an outer surface of the cell (); and'}, {'b': 32', '31', '31', '1', '32', '2', '32', '2, 'a second functional layer () positioned on a side of the first adhesive layer () opposite to a surface of the first adhesive layer () directly or indirectly adhered on the cell (), the second functional layer () being not adhered to the package () before a pressure being applied on the electrochemical energy storage device, and the second functional layer () being adhered to the package () after the pressure being applied on the electrochemical energy storage device.'}], 'a binding material () ...

CELL

The present disclosure provides a cell, which has a stacked body composed of a first electrode plate, a second electrode plate and separators, the stacked body has a starting end and a terminal end, the first electrode plate is provided with a first electrode tab, the second electrode plate is provided with a second electrode tab, the cell has a main body portion formed by winding a part of the stacked body from the starting end of the stacked body and a folded portion formed by folding the rest of the stacked body from a distal end of the main body portion over the main body portion and covering a part of the main body portion The cell can be formed as a step-shaped configuration by directly and sufficiently utilizing winding without cutting or treating the electrode plate, the manufacturing process is simple. 14123441421526. A cell , having a stacked body () composed of a first electrode plate () , a second electrode plate () and separators () , the stacked body () having a starting end () and a terminal end () , the first electrode plate () being provided with a first electrode tab () , the second electrode plate () being provided with a second electrode tab () ,the cell having:{'b': 7', '4', '41', '4, 'a main body portion () formed by winding a part of the stacked body () from the starting end () of the stacked body (); and'}{'b': 8', '4', '7', '7', '7, 'a folded portion () formed by folding the rest of the stacked body () from a distal end of the main body portion () over the main body portion () and covering a part of the main body portion ().'}2899. The cell according to claim 1 , wherein the folded portion () is formed with a step () and the step () is provided as at least one in number.39. The cell according to claim 2 , wherein the step () is provided as 1-10 in number.49. The cell according to claim 3 , wherein the step () is provided as 1-3 in number.58. The cell according to claim 1 , wherein the folded portion () has at least one bent structure.68. The ...

ELECTROCHEMICAL DEVICE

The present disclosure provides an electrochemical device, which comprises a plurality of cells which are stacked in a step configuration, electrode tabs of the same polarity of the plurality of cells are electrically connected together. Compared with only using a single wound-type cell or only using a single laminated-type cell, the plurality of cells stacked in the step configuration of the present disclosure can more flexibly adapt to an irregular inner space of an electronic device using the electrochemical device, so that the inner space in the electronic device is fully used, the performance of the electrochemical device for use in the electronic device is improved, and the manufacturing process is more simple, flexible and efficient. 1121. An electrochemical device , comprising a plurality of cells () which are stacked in a step configuration , electrode tabs () of the same polarity of the plurality of cells () being electrically connected together.21. The electrochemical device according to claim 1 , wherein the plurality of cells () are all laminated-type cells.31. The electrochemical device according to claim 1 , wherein the plurality of cells () are all wound-type cells.41. The electrochemical device according to claim 1 , wherein a part of the plurality of cells () are laminated-type cells and the other part are wound-type cells.51. The electrochemical device according to claim 1 , wherein the plurality of cells () have different lengths and the stacking in the step configuration forms a length-direction step.611. The electrochemical device according to claim 5 , wherein the length-direction step is a length-direction step gradually reducing respectively toward an upper side and a lower side from a middle one of the plurality of cells () along a length direction (L) claim 5 , the middle one has the greatest length among the plurality of cells ().71. The electrochemical device according to claim 1 , wherein the plurality of cells () have different widths ...

SECONDARY BATTERY CELL

The present application provides a second battery cell comprising first and second electrodes, first and second tabs, and a separator. The first electrode and second electrode include first and second current collectors and first and second active material layers respectively. The first and second electrodes are formed with first and second tab accommodating grooves for accommodating the first and second tabs respectively. The first tabs are arranged in pairs, and two first tabs in each pair are respectively located on the upper and lower sides of the first winding starting section of the first electrode along the thickness direction of the secondary battery cell; and/or the second tabs are arranged in pairs, and two second tabs in each pair are respectively located on the upper and lower sides of the second winding starting section of the second electrode along the thickness direction of the secondary battery cell. 1. A secondary battery cell , comprising:a first electrode, comprising a first active material disposed on a surface of a first current collector;a second electrode, comprising a second active material disposed on a surface of a second current collector;a separator disposed between the first electrode and the second electrode;a first tab, disposed in the first current collector; and,a second tab, disposed in the second current collector;wherein the first electrode comprises a first tab accommodating groove defined by the first current collector as a bottom and the first active material as a peripheral side, to accommodate the first tab;the first tab comprises a plurality of first tab units arranged in pairs, and the two tab units in each pair are respectively located on an upper and a lower side of a winding starting section of the first electrode along a thickness direction of the cell.2. The cell according to claim 1 , wherein the peripheral side of the first tab accommodating groove comprises one opening and three side walls; or claim 1 ,the ...

DEVICE AND METHOD FOR PRESS-FITTING BATTERY TOP COVER

The present application relates to the technical field of battery and provides a device for press-fitting a battery top cover. The device for press-fitting a battery top cover comprises a press-fitting body. The press-fitting body is arranged on one side of the battery top cover facing away from a battery housing. A pneumatic cleaning assembly is arranged on one side of the press-fitting body facing the battery top cover. The pneumatic cleaning assembly is arranged to allow the chips to move out of the battery housing together with gas along a gap between the battery housing and the battery top cover. In the present application, the pneumatic cleaning assembly is arranged to allow the chips to move out of the battery housing together with gas along the gap between the battery housing and the battery top cover under the action of the gas flow so that to keep the inside of the battery housing clean, avoid short circuit in the battery caused by the chips, and improve the safety performance of the battery. 1. A press-fitting device associated with a battery having a battery top cover and a battery housing , the press-fitting device comprising:a press-fitting body, the press-fitting body arranged on one side of the battery top cover, one side of the press-fitting body facing the battery top cover provided with a pneumatic cleaning assembly, wherein the pneumatic cleaning assembly is arranged to allow chips to move out of the battery housing together with gas along a gap between the battery housing and the battery top cover.2. The press-fitting device according to claim 1 , wherein the pneumatic cleaning assembly comprises a positive pressure assembly; the positive pressure assembly is arranged to introduce positive pressure gas into the battery housing.3. The press-fitting device according to claim 2 , wherein the positive pressure assembly comprises a positive pressure gas passage; a gas outlet end of the positive pressure gas passage is a positive pressure opening; the ...

DEVICE FOR REMOVING COATING LAYER OF ELECTRODE PLATE

A device for removing a coating layer of an electrode plate, an electrode plate comprises a current collector and a coating layer coated on each of at least one surface of the current collector, the device for removing the coating layer of the electrode plate comprises: a conveying system for conveying the electrode plate which has the coating layer to be removed; at least one wetting mechanism, each wetting mechanism is provided at the coating layer to be removed on one surface of the electrode plate which is conveyed by the conveying system and wets the coating layer on the one surface of the electrode plate within the region where the coating layer will be removed by using a solvent; a laser removing system; and a control system communicating with the conveying system, the wetting mechanism and the laser removing system. The laser removing system comprises: at least one laser emitting head for emitting a laser beam and projecting the laser beam onto the coating layer on the corresponding surface of the electrode plate within the region where the coating layer will be removed and which is wetted by the wetting mechanism to make the solvent which wets the coating layer of the electrode plate within the region where the coating layer will be removed vaporized, so as to remove the coating layer on the surface of the electrode plate within the region where the coating layer will be removed and in turn expose the current collector on the surface of the electrode plate corresponding to the region where the coating layer will be removed. 121.-. (canceled)23. The device for removing the coating layer of the electrode plate according to claim 22 , wherein the conveying system comprises:an unwinding roller provided at an upstream position of the laser removing system for providing and feeding the electrode plate which has the coating layer to be removed;a winding roller provided at a downstream position of the laser removing system for winding the electrode plate where the ...

Electrochemical energy storage device

An electrochemical energy storage device comprising an electrode assembly, an electrolyte, a packing shell and an adhesive material located between the electrode assembly and the packing shell. The adhesive material comprises an adhesive layer and a protective layer. A surface of the adhesive layer, arranged on an outer surface of the electrode assembly and far away from the cell, or a surface of the adhesive layer, arranged on an inner surface of the packing shell and close to the electrode assembly, are adhesive surfaces. The protective layer is arranged on the adhesive surface of the adhesive layer. The protective layer is non-cohesive at a normal temperature and pressure, after the protective layer is fully or partially dissolved in the electrolyte, the adhesive surface of the adhesive layer is exposed to bond the electrode assembly with the packing shell, and the protective layer contains a substance to bear an electric charge.

SECONDARY BATTERY CELL AND WINDING FORMATION SYSTEM THEREOF

The present invention provides a secondary battery cell and winding formation system thereof. The secondary battery cell comprises an anode electrode plate, an anode electrode tab, a cathode electrode plate, a cathode electrode tab and a separator. The secondary battery cell winding formation system comprises a working platform, a winding mechanism, an anode electrode plate unwinding roller, an anode electrode plate cleaning mechanism, an anode electrode plate die-cutting mechanism, an anode electrode tab supply mechanism, an anode electrode tab connection mechanism, an anode electrode plate convey mechanism, a cathode electrode plate unwinding roller, a cathode electrode plate cleaning mechanism, a cathode electrode plate die-cutting mechanism, a cathode electrode tab supply mechanism a cathode electrode tab connection mechanism, a cathode electrode plate convey mechanism, a first separator unwinding roller, a second separator unwinding roller, a first separator convey mechanism and a second separator convey mechanism. The secondary battery cell manufactured by the secondary battery cell winding formation system of the present invention can effectively prevent the secondary battery cell from generating internal short circuit, thus improving the safety performance of the secondary battery cell while ensuring a high energy density. 3. The secondary battery cell according to claim 2 , wherein the first electrode plate is anode electrode plate:the first current collector is anode current collector;the first slurry layer is anode slurry layer;the first electrode tab is anode electrode tab;the first electrode tab receiving groove is anode electrode tab receiving groove;the first electrode plate notch is anode electrode plate notch;the second electrode plate is cathode electrode plate;the second current collector is cathode current collector;the second slurry layer is cathode slurry layer;the second electrode tab is cathode electrode tab;the second electrode tab receiving ...

Lithium-ion battery

The present application provides a lithium-ion battery, which comprises: a wound-type cell formed by winding a positive electrode plate, a separator and a negative electrode plate, a width of the separator is greater than widths of the positive electrode plate and the negative electrode plate; an electrolyte; and a packaging film packaging the wound-type cell and accommodating the electrolyte; a wound ending of the wound-type cell is adhered with a single-sided adhesive layer, an adhesive of the single-sided adhesive layer is a flowable curing adhesive, the wound-type cell and the packaging film are adhered together by the curing adhesive which flows and flows out from a periphery of the single-sided adhesive layer. The single-sided adhesive layer can prevent the wound-type cell from loosening or deforming, rupturing of the positive electrode tab and the negative electrode tab and bursting open of a top-seal in the process of dropping or tumbling.

Lithium-rich electrode sheet of lithium-ion battery and preparation method thereof

The present disclosure provides a lithium-rich electrode plate of a lithium-ion battery and a preparation method thereof. The lithium-rich electrode plate comprises a collector; a film containing an active material and forming on the collector, and forming an elementary electrode plate together with the collector; and a porous lithium sheet covering on the film, wherein a resulting capacity of the porous lithium sheet matches a planned lithium-supplemental capacity to an anode of a lithium-ion battery. The present disclosure can accurately control lithium-supplemental quantity to the anode, improve lithium-supplemental uniformity, improve the first coulombic efficiency, energy density, and electrochemical performance of the battery, and decrease deformation of the cell, furthermore the method can be performed simply and the cost thereof is low. 1. A lithium-rich electrode plate of a lithium-ion battery , comprising:a collector; anda film containing an active material and forming on the collector, and forming an elementary electrode plate together with the collector;wherein the lithium-rich electrode plate of the lithium-ion battery further comprising:a porous lithium sheet covering on the film, and a resulting capacity of the porous lithium sheet matching a planned lithium-supplemental capacity to an anode of the lithium-ion battery.2. The lithium-rich electrode plate of the lithium-ion battery according to claim 1 , wherein a thickness of the porous lithium sheet is 1 μm˜500 μm.3. The lithium-rich electrode plate of the lithium-ion battery according to claim 2 , wherein a thickness of the porous lithium sheet is 10 μm˜50 μm.4. The lithium-rich electrode plate of the lithium-ion battery according to claim 1 , wherein a width of the porous lithium sheet is a claim 1 , a width of the elementary electrode plate is b claim 1 , wherein b-40 μm≦a≦b.5. The lithium-rich electrode plate of the lithium-ion battery according to claim 4 , wherein b-20 μm≦a≦b.6. The lithium-rich ...

PACKAGING HOUSING FOR LI-ION BATTERY, METHOD FOR PREPARING THE SAME AND LI-ION BATTERY HAVING THE SAME

The present application relates to the field of Li-ion batteries and, specifically, relates to a packaging housing for a Li-ion battery, a method for preparing the packaging housing for a Li-ion battery. A bare cell of the Li-ion battery is packaged by the packaging housing, the packaging housing comprises, successively from inside to outside, a sealing housing layer, a metal coating layer and a plastic coating layer; after the sealing housing layer packages the bare cell and then is sealed, the metal coating layer and the plastic coating layer are successively provided on an external surface of the sealing housing layer. Since each layer of the materials of the packaging housing is processed onto the external surface of the product during preparing or packaging process, the thickness and strength of folding edges and folding corners thereof are kept unchanged, packaging defects caused by the impact molding process are avoided. 1. A packaging housing for a Li-ion battery , wherein a bare cell of the Li-ion battery is packaged by the packaging housing , the packaging housing comprises , successively from inside to outside , a sealing housing layer , a metal coating layer and a plastic coating layer; after the sealing housing layer packages the bare cell of the Li-ion battery and then is sealed , the metal coating layer and the plastic coating layer are successively provided on an external surface of the sealing housing layer.2. The packaging housing for a Li-ion battery according to claim 1 , wherein a thickness of the metal coating layer at a folding edge and a folding corner of the packaging housing is no less than a thickness of the metal coating layer at a flat surface of the packaging housing; preferably claim 1 , thicknesses of the sealing housing layer and the plastic coating layer at the folding edge and the folding corner of the packaging housing are no less than thicknesses of the sealing housing layer and the plastic coating layer at the flat surface of ...

ELECTROCHEMICAL ENERGY STORAGE DEVICE

The present disclosure provides an electrochemical energy storage device, which comprises a cell, an electrolyte and a package. The electrochemical energy storage device further comprises a binding material positioned between the cell and the package. The binding material comprises an adhesive layer and a covering layer. The adhesive layer is directly or indirectly adhered and positioned on an outer surface of the cell, and a surface of the adhesive layer which is far away from the cell is an adhesive surface; the covering layer is positioned on the adhesive surface of the adhesive layer, the covering layer is dissolved or swollen into the electrolyte in whole or in part so as to expose the adhesive surface of the adhesive layer, therefore the adhesive layer can make the cell adhered with the package. The covering layer is a polar molecule, the polar molecule comprises one or more selected from the group consisting of —F, —CO—NH—, —NH—CO—NH—, and —NH—CO—O—. The electrochemical energy storage device of the present disclosure may not only fixedly connect the cell to the package so as to resolve the problems during the drop test, but also may resolve the problem that the cell is difficult to put into the package because the two surfaces of the binding material are both adhesive, the electrochemical energy storage device also has an excellent cycle performance and an excellent charge-discharge performance under a high rate. 126.-. (canceled)27. An electrochemical energy storage device , comprising:a cell comprising a positive electrode plate, a negative electrode plate and a separator positioned between the positive electrode plate and the negative electrode plate;an electrolyte immersing the cell; and an adhesive layer directly or indirectly adhered and positioned on an outer surface of the cell, and a surface of the adhesive layer which was far away from the cell being an adhesive surface; and', 'a covering layer positioned on the adhesive surface of the adhesive ...

Double-folding device for softly-packaged lithium ion batteries

The present invention belongs to the technical field of lithium ion battery production equipment, and particularly relates to a double-folding device for softly-packaged lithium ion batteries, comprising a rack, and a loaded-material positioning mechanism, a primary folding mechanism and a secondary folding mechanism which are arranged on the rack in turn. A bonding layer arrangement mechanism is further provided between the primary folding mechanism and the secondary folding mechanism. In comparison to the prior art, in the present invention, by providing, between the primary folding mechanism and the secondary folding mechanism, a bonding layer arrangement mechanism which is configured as a mechanism capable of online monitoring the arrangement of a bonding layer and automatically adjusting the glue dispensing position and glue volume, the real-time adjustment of the dispensing position and volume of glue is realized.

Device and method for press-fitting battery top cover

The present application relates to the technical field of battery and provides a device for press-fitting a battery top cover. The device for press-fitting a battery top cover comprises a press-fitting body. The press-fitting body 1 is arranged on one side of the battery top cover facing away from a battery housing. A pneumatic cleaning assembly is arranged on one side of the press-fitting body facing the battery top cover. The pneumatic cleaning assembly is arranged to allow the chips to move out of the battery housing together with gas along a gap between the battery housing and the battery top cover. In the present application, the pneumatic cleaning assembly is arranged to allow the chips to move out of the battery housing together with gas along the gap between the battery housing and the battery top cover under the action of the gas flow so that to keep the inside of the battery housing clean, avoid short circuit in the battery caused by the chips, and improve the safety performance of the battery.

Slider with micro-texture and method for forming the same

A method for forming micro-texture on ABS of a slider, includes steps of: positioning sliders arranged in arrays on a tray, each slider having a pole tip facing upward; loading the tray into a processing chamber, and evacuating the processing chamber to a preset pressure; introducing a mixture gas of inert gas and hydrocarbon gas into the processing chamber, and ionizing the mixture gas to produce ion beams; exposing the sliders to the ion beam for etching so as to form micro-texture with two-step structure on the ABS of the slider. The invention also discloses a method of manufacturing a slider having micro-texture.

Electrode plate coating removal method

The present invention provides a method for removing a coating layer of an electrode plate, an electrode plate comprises a current collector and a coating layer coated on each of at least one surface of the current collector, the method for removing the coating layer of the electrode plate comprises steps of: (I) wetting the coating layer of the electrode plate within the region where the coating layer will be removed by using a solvent; (II) emitting a laser beam on the coating layer of the electrode plate within the region where the coating layer will be removed to make the solvent which wets the coating layer of the electrode plate within the region where the coating layer will be removed vaporized, so as to remove the coating layer of the electrode plate within the region where the coating layer will be removed and in turn expose the current collector of the electrode plate corresponding to the region where the coating layer will be removed; and (III) getting rid of a residue of the coating layer generated in the step (II). The coating layer of the electrode plate within the region where the coating layer will be removed is wetted in advance by using the solvent, after the laser beam is emitted on the wetted electrode plate, the solvent existing in the electrode plate absorbs the energy of the laser beam so as to be instantaneously vaporized, thereby generating a strong transient pressure, the particles of the coating layer are peeled off from the current collector under the action of the strong pressure, so as to remove the particles of the coating layer, so that it will not damage the electrode plate, thereby avoiding the deformation of the electrode plate.

Method for preventing TMR MRR drop of a slider and method for manufacturing sliders

The invention provides a method for preventing TMR MRR drop of a slider, including: positioning a row bar constructed by sliders on a tray, each slider incorporating a TMR element; loading the tray into a processing chamber and evacuating the processing chamber to a predetermined pressure; forming a first etching means; exposing the sliders to the first etching means such that an oxide layer is formed on a surface of the TMR element; forming a second etching means; and exposing the sliders to the second etching means such that the oxide layer is etched to get a reduced thickness. The invention also discloses a method for manufacturing sliders.

Double-folding device for softly-packaged lithium ion batteries

The present invention belongs to the technical field of lithium ion battery production equipment, and particularly relates to a double-folding device for softly-packaged lithium ion batteries, comprising a rack, and a loaded-material positioning mechanism, a primary folding mechanism and a secondary folding mechanism which are arranged on the rack in turn. A bonding layer arrangement mechanism is further provided between the primary folding mechanism and the secondary folding mechanism. In comparison to the prior art, in the present invention, by providing, between the primary folding mechanism and the secondary folding mechanism, a bonding layer arrangement mechanism which is configured as a mechanism capable of online monitoring the arrangement of a bonding layer and automatically adjusting the glue dispensing position and glue volume, the real-time adjustment of the dispensing position and volume of glue is realized.

Secondary battery cell and winding formation system thereof

A secondary battery cell includes an anode electrode plate, an anode electrode tab, a cathode electrode plate, a cathode electrode tab and a separator. The secondary battery cell winding formation system includes a working platform, a winding mechanism, an anode electrode plate unwinding roller, an anode electrode plate cleaning mechanism, an anode electrode plate die-cutting mechanism, an anode electrode tab supply mechanism, an anode electrode tab connection mechanism, an anode electrode plate convey mechanism, a cathode electrode plate unwinding roller, a cathode electrode plate cleaning mechanism, a cathode electrode plate die-cutting mechanism, a cathode electrode tab supply mechanism a cathode electrode tab connection mechanism, a cathode electrode plate convey mechanism, a first separator unwinding roller, a second separator unwinding roller, a first separator convey mechanism and a second separator convey mechanism.

スライダ、ヘッドジンバルアセンブリ、ハードディスク装置、およびヘッドジンバルアセンブリの製造方法

【課題】スライダのサスペンションへの接合性を改善するために、製造工程中のパッドへの物理的な悪影響をより低減する。 【解決手段】スライダ２４は、記録媒体に記録された磁気データを読込む読取素子と、記録媒体に磁気データを書込む記録素子の少なくとも一方と、記録媒体に対向する面と交差し、金属製のパッド２７が設けられたパッド面５７と、を有し、パッド２７はパッド面５７に設けられた凹部５８の中に、凹部から突出しないで形成されている。 【選択図】図５

リチウム電池

【課題】巻回終了後、封止膜に設置する前の分散、変形を防ぎ、セルを封止膜に入れることができる巻回型セルの提供、落下、転がりの際、封止膜のスライディングにより電池の変形、正負極の引っ張りきれ、頂部密封の突き破りを防ぐ巻回型リチウムイオン電池セルの提供。【解決手段】正極シート、セパレーター及び負極シートを順次に巻いて構成されるリチウムイオン電池。セパレーターの幅が正極シート及び負極シートの幅よりも大きく、電解液、及び封止膜２を含み、封止膜２は巻回型セル１を封止して電解液を収納し、巻回型セルの巻回終了部１１に片面接着層３を接着し、片面接着層３の接着剤は流動可能な硬化型接着剤４であり、巻回型セル１及び封止膜２は流れ出されている片面接着層３の周囲の硬化型接着剤４より一緒に接着され、片面接着層３の流動可能な硬化型接着剤４は巻回型セル１及び封止膜２を効果的に接着できるリチウムイオン電池。【選択図】図１

軟包装リチウムイオン電池用二重折り装置

【課題】接着剤分配位置及び接着剤吐出量のリアルタイム調節を実現し、接着剤分配位置及び接着剤吐出量の精度を大いに向上させ、不良率を低減し、人力を減らし、製造コストを下げ、電池のエネルギー密度を上げる軟包装リチウムイオン電池用二重折り装置を提供する。【解決手段】ラック及びラック上に順次に設置されるローディング位置決め機構、１回目折り機構、２回目折り機構を備え、１回目折り機構と２回目折り機構との間に接着層布置機構が更に設置される。従来の技術に比べて、本発明は１回目折り機構と２回目折り機構との間に接着層布置機構を設けることによって、この接着層布置機構は接着層の設置情況をオンラインで監視でき、接着剤分配位置及び接着剤吐出量を自動に調節できる機構になるように設置される。【選択図】図１

Wafer holding device for etching process and method for controlling etch rate of a wafer

A wafer holding device for etching process, includes a base pallet; a cover pallet disposed on the base pallet, the cover pallet having at least one receiving hole defined therein; a base pad located on the base pallet and contained in the receiving hole; and a wafer jig placed on the base pad and contained in the receiving hole. At least one gas-diluting recess is formed in a surface of the cover pallet, the surface being spaced away from the base pallet, the gas-diluting recess being communicated with the receiving hole to dilute byproduct gases generated during the etching process. The invention also discloses a method for controlling etch rate of a wafer to be etched during an etching process.

Electrode plate coating removal apparatus

Syntheseverfahren von 2, 2'-Bipyridyl mithilfe eines unterstützten Bimetall-Nanopartikel-Katalysators.

Die vorliegende Erfindung offenbart das Syntheseverfahren von 2, 2´-Bipyridyl mithilfe eines unterstützten Bimetall-Nanopartikel-Katalysators, dadurch gekennzeichnet: mithilfe eines unterstützten Bimetall-Nanopartikel-Katalysators M 1 -M 2 @Al 2 O 3 wird Pyridin durch direkte Kupplung zu 2, 2´-Bipyridyl synthetisiert. Bei unterstütztem Bimetall-Nanopartikel-Katalysator M 1 -M 2 @Al 2 O 3 dient Al 2 O 3 als Träger und aktive Bestandteile sind zwei unterschiedliche Metalle M 1 und M 2 . M 1 und M 2 sind jeweils unabhängig voneinander unter Edelmetallen Pd, Pt, Ru, Au, Ag, Rh oder Nichtedelmetallen Ni, Cu, Fe, Zn, Co gewählt. Mit dieser Erfindung wird unterstützter Bimetall-Nanopartikel-Katalysator in direkte Kupplungssynthese von 2, 2´-Bipyridyl aus Pyridin verwendet. Die Produktionseffizienz ist hoch, die Produktion entspricht den Prinzipien der Atom-Ökonomie in Chemieindustrie und keine Umweltbelastungen entstehen. Das ist eine grüne Produktionstechnologie zur Herstellung von chemischen Zwischenprodukten.

Method for preventing TMR MRR drop of slider and micro-texture forming method in same process

A method for preventing TMR (tunnel magneto-resistance) MRR (magneto-resistance resistance) drop of a slider, comprises steps of: positioning a row bar constructed by a plurality of slider structural bodies on a tray, each slider body having a pole tip with a TMR element; loading the tray into a processing chamber and evacuating the processing chamber to a preset pressure; introducing a processing gas containing oxygen gas into the processing chamber; and exposing the slider structural bodies to an etching means in the atmosphere of the processing gas to oxidize a surface of the TMR element to form an oxidation layer thereon. The invention also discloses a method for forming micro-texture on a surface of slider in same process, and a method for forming such a slider.

Secondary battery cell and winding formation system thereof

A secondary battery cell includes an anode electrode plate, an anode electrode tab, a cathode electrode plate, a cathode electrode tab, and a separator. A winding formation system of the secondary battery cell includes a working platform, a winding mechanism, an anode electrode plate unwinding roller, an anode electrode plate cleaning mechanism, an anode electrode plate die-cutting mechanism, an anode electrode tab supply mechanism, an anode electrode tab connection mechanism, an anode electrode plate convey mechanism, a cathode electrode plate unwinding roller, a cathode electrode plate cleaning mechanism, a cathode electrode plate die-cutting mechanism, a cathode electrode tab supply mechanism a cathode electrode tab connection mechanism, a cathode electrode plate convey mechanism, a first separator unwinding roller, a second separator unwinding roller, a first separator convey mechanism, and a second separator convey mechanism.

Lithium-rich electrode sheet of lithium-ion battery and preparation method thereof

The invention relates to a lithium-rich electrode plate of a lithium-ion battery and a preparation method thereof. The electrode plate includes a collector; a film containing an active material and forming on the collector, and forming an elementary electrode plate together with the collector; and a porous lithium sheet covering on the film, so that a resulting capacity of the porous lithium sheet matches a planned lithium-supplemental capacity to an anode of a lithium-ion battery. The electrode plate can accurately control lithium supplemental quantity to the anode, improve lithium-supplemental uniformity, improve the first coulombic efficiency, energy density, and electrochemical performance of the battery, and decrease deformation of the cell. Furthermore, the method can be performed simply and the cost thereof is low.