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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 24. Отображено 24.
22-08-2023 дата публикации

Film pressure type tongue pressure detection device with zero calibration function

Номер: CN116616719A
Автор: LI KUN, LUO XIAOBING, LUO YUANLONG, SHEN JING, LI MENGJIE
Принадлежит:

The invention discloses a film pressure type tongue pressure detection device with a zero calibration function, which comprises a tongue pressure head, n pressure measuring points and an MCU (Microprogrammed Control Unit) are arranged on the tongue pressure head, and each pressure measuring point is correspondingly provided with a tongue pressure sensor. The tongue pressure detection method comprises the following steps: respectively acquiring real-time zero point values of n pressure measuring points at the moment of electrifying a tongue pressure head by an MCU (Microprogrammed Control Unit); based on the real-time zero point value and a preset zero point value, the MCU calculates zero point deviations of the n voltage measuring points respectively; based on the zero point deviation, the MCU carries out zero point calibration on the pressure sampling data of the n pressure measuring points to obtain pressure sampling calibration data; the MCU performs curve fitting by using the pressure ...

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Номер записи: 1
26-05-2023 дата публикации

Film coating method

Номер: CN116162906A
Автор: ZHAO ZHIGUO, LI MENGJIE, ZHAO DONGMING, QIN XIAOJUN, FENG XIAODAN, LIU JIALIANG
Принадлежит:

The invention discloses a film coating method which comprises the following steps: a substrate to be coated is placed in a film coating chamber, and an evaporation boat is arranged in the film coating chamber; the evaporation boat is provided with a groove in which an evaporation material source is placed; the positive electrode and the negative electrode of the evaporation boat are powered on, so that the evaporation material source is evaporated, and the surface of the substrate to be coated is coated; wherein the groove is provided with a first end close to the positive electrode and a second end close to the negative electrode; and in the electroplating coating process of the positive electrode and the negative electrode, the current between the first end and the second end meets a constant current condition. According to the technical scheme, in the evaporation coating process, the constant current condition is met between the first end and the second end of the evaporation boat, so ...

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Номер записи: 2
04-08-2023 дата публикации

Perovskite thin film preparation method and perovskite thin film preparation device

Номер: CN116546864A
Автор: XIONG JIGUANG, LI WEIDONG, ZHAO ZHIGUO, ZHAO DONGMING, LI MENGJIE, ZHANG YUN, LI XINLIAN, DONG CHAO, XIA YUAN
Принадлежит:

The invention discloses a perovskite thin film preparation method and a perovskite thin film preparation device. The preparation method of the perovskite thin film comprises the following steps: S1, immersing a substrate on which a perovskite film layer needs to be prepared into a perovskite inorganic component precursor solution through roll-to-roll equipment, and carrying out first chemical deposition on the substrate; s2, conveying the substrate deposited with the perovskite inorganic component precursor solution to a first heating assembly through roll-to-roll equipment, and carrying out heating curing to obtain an inorganic component cured film; s3, immersing the inorganic component cured film obtained in the step S2 into a perovskite organic component precursor solution through roll-to-roll equipment, and carrying out secondary chemical deposition on the inorganic component cured film; and S4, conveying the substrate deposited with the perovskite organic component precursor solution ...

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Номер записи: 3
21-07-2023 дата публикации

Method for preparing light-weight heat-insulating refractory castable from residues generated in production of magnesium hydroxide from bischofite

Номер: CN116462521A
Автор: LIAO NING, LI YAWEI, LIU WENJING, LI MENGJIE, BAO LONGYUN, LU RONGXIAO, HU XINGPENG
Принадлежит:

The invention discloses a method for preparing a light-weight heat-insulating refractory castable by using residues generated in the production of magnesium hydroxide from bischofite, and relates to a method for preparing a refractory castable by using magnesium hydroxide residues. The invention aims to solve the problems of environmental pollution caused by the existing magnesium hydroxide residues and poor heat insulation effect of the refractory castable. The method comprises the following steps: preparing a radiation energy-saving light-weight CA6-MA aggregate which contains CA6 and transition metal oxide doped magnesium aluminate spinel; the tabular corundum fine powder, the alpha-Al2O3 micro powder, the calcium aluminate cement, the CA6-MA aggregate and the like are mixed and poured into a mold, and demolding and baking are performed after curing. The radiation energy-saving light-weight CA6-MA castable disclosed by the invention adopts the radiation energy-saving light-weight CMA ...

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Номер записи: 4
21-07-2023 дата публикации

Instant heating type tea art robot based on swan gap system and control method

Номер: CN116460866A
Автор: JIA RUICHANG, GU YUEHAO, LIN BINGXIAN, LI MENGJIE, HUANG QINGDONG, ZHANG YI, HUANG RUOMEI, DONG LINGJIN
Принадлежит:

The invention discloses an instant heating type tea art robot based on a swan gap system and a control method, the instant heating type tea art robot comprises a support, a tea art execution system and a control system, the tea art execution system comprises a tea tray, a water outlet manipulator, a tea making manipulator, a tea pouring manipulator and a tea cup cleaning device; the control system comprises a user operation device, a robot control device and a communication device; the user operation device comprises a display touch screen; the robot control device comprises a main control chip, and a swan-gap system is carried in the main control chip; the swan gap terminal system communicates with the main control chip by identifying an NFC tag identification code on a machine, and the swan gap terminal system can collect concentration preferences, temperature preferences and tea types fed back by a user before and after drinking tea and upload the concentration preferences, the temperature ...

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Номер записи: 5
22-08-2023 дата публикации

Digital twin task processing method and device, equipment and storage medium

Номер: CN116629015A
Автор: ZHOU XINGSHE, LI MENGJIE, YANG GANG, SHEN BO, GUO YUHONG
Принадлежит:

The invention discloses a digital twinborn task processing method and device, equipment and a storage medium, relates to the technical field of digital twinborn, and can overcome the defects of long digital twinborn construction period and high cost consumption in different application scenes. According to the specific scheme, the method comprises the steps of obtaining a function of a target digital twinborn body for processing a digital twinborn task; traversing is started from a root node of a preset twin model library according to the function, a target twin model corresponding to the function is matched, and the target twin model comprises at least one sub-twin model; each sub-twinning model comprises a corresponding model function, a model identifier, a model input parameter, a model output parameter, a model performance, a model twinning level and a dependency relationship between the sub-twinning model and other sub-twinning models; and calling the sub-twinborn models, assembling ...

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Номер записи: 6
09-06-2023 дата публикации

Cow multi-target tracking algorithm and health assessment method

Номер: CN116246223A
Автор: WANG JUAN, YUAN SHITONG, LI NA, LI MENGJIE, LIN XIUJUN
Принадлежит:

The invention discloses a dairy cow multi-target tracking algorithm and a health assessment method, and belongs to the technical field of animal husbandry management. Firstly, dairy cow targets need to be identified, a CBAM attention module is added on the basis of a YOLOv7 algorithm, attention features in a channel and a spatial dimension are fused, and then the feature extraction capability of a feature extraction network is improved; meanwhile, cow multi-target tracking is performed on the basis of cow target recognition, trajectory matching is added, the right of tracking trajectory matching for a long time is improved, when the cow target is shielded and the tracking trajectory is lost, the video frame is predicted, and the prediction result of the video frame is matched with the current cow target trajectory, so that the tracking trajectory matching accuracy is improved. And the dairy cow target tracking loss probability is reduced. And finally, a dairy cow health assessment module ...

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Номер записи: 7
28-04-2023 дата публикации

Thin film solar cell and manufacturing method thereof

Номер: CN116031316A
Автор: XU SHISEN, DONG CHAO, ZHAO DONGMING, SHEN JIANXUN, ZHAO ZHIGUO, QIN XIAOJUN, LI MENGJIE, ZHANG YUN, ZHANG JIE
Принадлежит:

The embodiment of the invention discloses a thin-film solar cell and a manufacturing method thereof, and the thin-film solar cell comprises N transparent conductive layers which are located on a first surface of a substrate, and N is greater than or equal to 2; the sub-cell stacking structures and the first electrode layers are located on the surfaces of the first areas of the transparent conducting layers to form N sub-cells, and the first electrode layer on the surface of the first area of the ith transparent conducting layer is connected with the first area of the (i + 1) th transparent conducting layer; the positive electrode of the ith bypass diode is connected with the negative electrode of the ith sub-battery, the negative electrode of the ith bypass diode is connected with the positive electrode of the ith sub-battery, the positive electrode of the Nth bypass diode is connected with the negative electrode of the Nth sub-battery, and the negative electrode of the Nth bypass diode ...

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Номер записи: 8
22-08-2023 дата публикации

Photovoltaic cell module, preparation method thereof and photovoltaic equipment

Номер: CN116632090A
Автор: ZHAO ZHIGUO, ZHANG YUN, LI XINLIAN, LI MENGJIE, ZHAO ZHENGJING, CAI ZIHE, QIN XIAOJUN, ZHAO DONGMING, HUANG BIN, YE LIN
Принадлежит:

The invention provides a photovoltaic cell assembly and a preparation method thereof, and a photovoltaic device, the assembly comprises N cells, each cell comprises a power generation structure and a conductive layer located on the first surface of the power generation structure and electrically connected with the power generation structure, the conductive layer in the ith cell is electrically connected with the second surface of the power generation structure in the (i + 1) th cell, the light incident surface of the photovoltaic cell assembly is parallel to the cross section of the cell piece in the length direction. Therefore, the power generation structures in the N battery pieces are electrically connected in sequence through the conducting layers, grid lines are not needed, and therefore the dead zone of the light incident face is reduced. And the conductive layer covers the first surface of the power generation structure and the second surface of the adjacent power generation structure ...

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Номер записи: 9
26-05-2023 дата публикации

Perovskite film layer preparation device based on dot matrix laser heating annealing assistance

Номер: CN116171092A
Автор: ZHAO ZHIGUO, LI WEIDONG, XIONG JIGUANG, ZHAO JIANYONG, YANG YONGJUN, ZHAO DONGMING, LI XINLIAN, LIU JIALIANG, LI MENGJIE, QIN WENTAO
Принадлежит:

The invention provides a perovskite film layer preparation device based on dot matrix laser heating and annealing assistance. The perovskite film layer preparation device comprises a dot matrix laser generation assembly and a wet film perovskite battery substrate, wherein the dot matrix laser generation assembly is used for emitting uniform dot matrix laser and irradiating the dot matrix laser on the wet film perovskite cell substrate for uniform heating. According to the perovskite film layer preparation device, dot matrix laser irradiation is adopted to anneal the perovskite film layer, uniform heating can be realized, and the annealing temperature can be effectively controlled, so that the crystallization uniformity, the grain size and the crystallinity of the perovskite film layer are improved, the trap state density of the perovskite film layer is reduced, charge recombination is reduced, and the performance of the perovskite film layer is improved. And the efficiency of the solar ...

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Номер записи: 10
23-06-2023 дата публикации

Method for preparing perovskite material layer

Номер: CN116322241A
Автор: LIU JIALIANG, LI MENGJIE, ZHAO ZHIGUO, ZHAO DONGMING, QIN XIAOJUN, LI XINLIAN, ZHANG YUN, XIONG JIGUANG, FU FENGYI, XIA YUAN
Принадлежит:

The invention belongs to the technical field of perovskite solar cells, and provides a method for preparing a perovskite material layer, which comprises the following steps: (1) grinding perovskite crystals to obtain powder with the particle size of 50-1000nm; (2) spraying the powder into a film by adopting an electrostatic spraying method, wherein the electrostatic spraying pressure is 0.1-10 Pa, the spraying distance is 1-100 cm, and the film forming thickness is 100-1500 nm; and (3) carrying out vacuum heating treatment on the thin film formed by electrostatic spraying to obtain the perovskite material layer. In the invention, the perovskite crystal raw material strictly complying with the stoichiometric ratio is adopted, and a precursor mixing stage is not needed, so that a stoichiometric ratio imbalance region in the obtained perovskite thin film is greatly reduced, and the efficiency of a subsequently applied battery device is good. In addition, the method does not use a solvent, ...

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Номер записи: 11
06-06-2023 дата публикации

Wireless energy transmission system

Номер: CN116231886A
Автор: ZHAO ZHIGUO, ZHAO DONGMING, HUANG BIN, YE LIN, ZHANG YUN, LI XINLIAN, LI MENGJIE, ZHAO ZHENGJING, CAI ZIHE
Принадлежит:

The invention discloses a light flux structure and a wireless energy transmission system, a light diffusion material is distributed in a quartz main body, and the refractive index of the light diffusion material is different from that of the quartz main body, so that a light beam incident into the quartz main body is reflected or scattered to the side wall of the quartz main body by the light diffusion material; according to the photoelectric device, the light scattering material in the quartz main body is used as a reflection or scattering center, so that a light beam incident into the quartz main body is effectively scattered by the light scattering material into light waves emitted to the side wall of the quartz main body, and the light waves are emitted from the side wall of the quartz main body; the received light wave energy is reduced, photoelectric conversion of a photoelectric device is facilitated, the photoelectric device is prevented from being damaged due to direct receiving ...

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Номер записи: 12
30-06-2023 дата публикации

Method for promoting degradation of lignocellulose raw material by using MoS2 activated persulfate catalytic system

Номер: CN116355977A
Автор: WANG ZHIMIN, SONG ANDONG, LI MENGJIE, LYU DONGCAN, JIANG GUANGCE, WANG FENGQIN, ZHANG HONGSEN, MAO GUOTAO, XIE HUI
Принадлежит:

The invention belongs to the technical field of pretreatment of lignocellulose raw materials, and particularly relates to a method for promoting degradation of a lignocellulose raw material by using a MoS2 activated persulfate catalytic system. According to the invention, persulfate is activated by using MoS2, so that the production efficiency of free radicals of sulfate radicals is improved, and a catalytic system for activating persulfate by using MoS2 is provided and is used for pretreatment of lignocellulose. According to the method for promoting the degradation of the lignocellulose raw material by using the MoS2 to activate the persulfate catalytic system, the method still has relatively high enzymolysis efficiency under the condition of low dosage of persulfate and cellulase. The test result shows that MoS2 is an efficient sulfate radical type activating agent, and the generation efficiency of MoS2 on SO4 <-> is very high. Not only is excellent performance shown, but also the enzymolysis ...

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Номер записи: 13
22-08-2023 дата публикации

Digital twin model updating method and device, equipment and storage medium

Номер: CN116629136A
Автор: ZHOU XINGSHE, LI MENGJIE, YANG GANG, SHEN BO, GUO YANJUN
Принадлежит:

The invention discloses an updating method, device and equipment of a digital twin model and a storage medium, relates to the technical field of digital twin, and can improve the updating efficiency of the digital twin model. According to the specific scheme, the method comprises the steps that sensing data and non-sensing data of a digital twin task are obtained, the digital twin task comprises the steps that fault detection is conducted on target equipment, and the sensing data comprises crack data, pit point data and vibration data of the target equipment; the non-sensing data comprises the material of the target equipment, the size of the target equipment and the operation condition of the target equipment; training a preset current digital twin model by using the sensing data and based on an incremental learning method to obtain an updated first model; training the current digital twin model by using the non-sensing data and based on an incremental learning method to obtain an updated ...

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Номер записи: 14
13-08-2021 дата публикации

Carbon quantum dots, preparation method thereof and application of carbon quantum dots in perovskite solar cell

Номер: CN113258007A
Автор: LI WEIDONG, LI MENGJIE, XIAO PING, HUANG BIN, LIU RUWEI, ZHAO DONGMING, DING KUN, ZHAO ZHIGUO, QIN XIAOJUN, LI XINLIAN, ZHANG YUN, XIONG JIGUANG, DONG CHAO, XIA YUAN, LIANG SICHAO, WANG SEN, 李卫东, 李梦洁, 肖平, 黄斌, 刘入维, 赵东明, 丁坤, 赵志国, 秦校军, 李新连, 张赟, 熊继光, 董超, 夏渊, 梁思超, 王森
Принадлежит:

The invention discloses carbon quantum dots, a preparation method thereof and application of the carbon quantum dots in a perovskite solar cell, and belongs to the field of carbon quantum dot preparation technologies and photovoltaics. According to the carbon quantum dots, the preparation method thereof and the application of the carbon quantum dots in the perovskite solar cell, a sucrose solution is prepared by taking DMF as a solvent, microwave reaction is carried out on the sucrose solution, and extraction is performed by utilizing ethanol to obtain the carbon quantum dots; a solvent system of the carbon quantum dots is compatible with a TiO2 spray pyrolysis system; the up-conversion performance of the carbon quantum dots is utilized to absorb ultraviolet light and emit visible light, so that the illumination stability of the solar cell is improved, and the spectral response range of the solar cell can be widened; and the down-conversion performance of the carbon quantum dots is utilized ...

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Номер записи: 15
22-08-2023 дата публикации

Manufacturing method of solar thin film cell

Номер: CN116632085A
Автор: ZHAO ZHIGUO, LI XINLIAN, XIONG JIGUANG, QIN WENTAO, WANG XINGTAO, ZHANG CHI, YE LIN, HUANG BIN, FENG XIAODAN, ZHAO DONGMING, QIN XIAOJUN, LI MENGJIE, ZHANG YUN
Принадлежит:

The invention discloses a manufacturing method of a solar thin film cell. The manufacturing method comprises the following steps: providing a substrate; a patterned first electrode layer is formed on the surface of one side of the substrate, the first electrode layer comprises a plurality of first electrodes, and a first carved seam is formed between every two adjacent first electrodes; forming an electric connection structure on one side, deviating from the substrate, of the first electrode; forming a photoelectric conversion layer covering the first electrode layer, wherein the photoelectric conversion layer exposes the end part, deviating from the substrate, of the electric connection structure; the electrical connection structure divides the photoelectric conversion layer into a plurality of photoelectric conversion units; a second electrode layer covering the photoelectric conversion layer is formed, the second electrode layer comprises a plurality of second electrodes, and a second ...

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Номер записи: 16
09-06-2023 дата публикации

Film drying device

Номер: CN116237212A
Автор: ZHAO ZHIGUO, XIAO PING, YANG YONGJUN, ZHAO DONGMING, QIN XIAOJUN, LI XINLIAN, ZHANG YUN, LI MENGJIE, CAI ZIHE, ZHAO ZHENGJING, DONG CHAO, XIONG JIGUANG
Принадлежит:

The embodiment of the invention discloses a film drying device which comprises an air knife, an extraction gas generator, a compressed gas generator and a mixer, extraction gas and compressed gas are mixed in the mixer, the mixer supplies the mixed extraction gas and compressed gas into the air knife, and the air knife blows dry air mixed with the extraction gas to a film to be dried. The extraction gas acts on the to-be-dried film, curing of the to-be-dried film can be accelerated, and the drying speed of the film is accelerated by combining the blow-drying effect of the compressed gas on the to-be-dried film. According to the thin film drying device, the speed that a solvent in the thin film is separated from the thin film is higher, the obtained thin film is more uniform and consistent and has no phase separation phenomenon, meanwhile, the stacking direction is consistent with the direction perpendicular to the substrate, and the conversion efficiency of the perovskite thin film is improved ...

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Номер записи: 17
04-08-2023 дата публикации

Vacuum evaporation device and vacuum evaporation method

Номер: CN116536634A
Автор: XIONG JIGUANG, XIAO PING, ZHAO ZHIGUO, ZHAO DONGMING, LI MENGJIE, QIN XIAOJUN, QIN WENTAO, FU FENGYI
Принадлежит:

The invention discloses a vacuum evaporation device and a vacuum evaporation method. The vacuum evaporation device comprises an evaporation boat which is provided with a plurality of evaporation spaces, and the evaporation spaces are provided with evaporation ports; the evaporation resisting electrode column is used for heating the evaporation boat; the adjusting plate is rotationally arranged at the evaporation opening, a mapping adjusting opening is formed in the adjusting plate, and a mapping opening adjusting assembly used for adjusting the size and the shape of the mapping adjusting opening is further arranged on the adjusting plate; a measuring probe of the vacuum coating thickness measuring instrument is arranged at the evaporation opening; and the central controller is in signal connection with the vacuum coating thickness measuring instrument and the adjusting plate. The vacuum evaporation device can adjust the rotating angle of each adjusting plate and the size and shape of the ...

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Номер записи: 18
18-07-2023 дата публикации

Preparation method and application of perovskite material layer containing PN junction structure

Номер: CN116456788A
Автор: LIU JIALIANG, LI MENGJIE, ZHAO ZHIGUO, ZHAO DONGMING, QIN XIAOJUN, LI XINLIAN, ZHANG YUN, XIONG JIGUANG, FU FENGYI, XIA YUAN
Принадлежит:

The invention provides a preparation method and application of a perovskite material layer containing a PN junction structure. The preparation method comprises the following steps: preparing a first perovskite solution by using a first solute, performing wet film formation, and performing annealing treatment to form an N-type perovskite layer; the first solute comprises an N-type doping material and a perovskite precursor material, and the perovskite precursor material is one or more of PbI2, CsI, MAI, FAI and PbBr2; preparing a second perovskite solution by adopting a second solute, performing wet film formation, and performing annealing treatment to form a P-type perovskite layer; the second solute comprises a P-type doping material and the perovskite precursor material; and laminating the N-type perovskite layer and the P-type perovskite layer to form a PN junction to obtain the perovskite material layer. The P-type perovskite thin film and the N-type perovskite thin film are formed ...

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Номер записи: 19
30-05-2023 дата публикации

Preparation method and application of perovskite thin film with low defect state density

Номер: CN116193945A
Автор: LIU JIALIANG, LI MENGJIE, ZHAO ZHIGUO, ZHAO DONGMING, QIN XIAOJUN, LI XINLIAN, ZHANG YUN, XIONG JIGUANG, FU FENGYI, XIA YUAN
Принадлежит:

The invention belongs to the technical field of perovskite solar cells, and particularly relates to a preparation method and application of a low-defect-state-density perovskite thin film, and the preparation method of the perovskite thin film comprises the following steps: (1) preparing a perovskite material layer through a solution method or a gas phase method; and (2) an argon plasma source or a Hall/Kaufman ion source is adopted to bombard the surface of the perovskite material layer, the average particle energy range of argon ions is 1-100 eV, a perovskite thin film is obtained, and the surface of the perovskite thin film has a single Pb < 2 + > shallow energy level defect. By means of the process method, defects on the surface of perovskite can be passivated in a targeted mode, the surface defect state density of the perovskite film layer can be reduced, the defect state density can be reduced by three orders of magnitude, the carrier transmission efficiency is improved, and finally ...

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Номер записи: 20
13-08-2021 дата публикации

Perovskite battery structure containing grid lines and preparation method thereof

Номер: CN113258006A
Автор: LI WEIDONG, LI XINLIAN, ZHAO ZHIGUO, ZHAO DONGMING, QIN XIAOJUN, XIONG JIGUANG, ZHANG YUN, LI MENGJIE, DONG CHAO, 李卫东, 李新连, 赵志国, 赵东明, 秦校军, 熊继光, 张赟, 李梦洁, 董超
Принадлежит:

The invention discloses a perovskite cell structure containing grid lines, and belongs to the field of perovskite solar thin film electrical components. The perovskite cell structure sequentially comprises a glass substrate, a transparent conductive thin film, a first transmission layer, a perovskite absorption layer, a second transmission layer and a metal electrode layer from bottom to top. Grooves is formed in the surface, in contact with the transparent conductive thin film, of the glass substrate, and grid lines are deposited in the grooves. By etching the surface of the glass substrate to form the grooves and embedding the metal grid lines, the technical problems of non-uniform subsequent coating and difficulty in blade coating caused by surface bulge of the conventional prepared grid lines are solved. By embedding the grid lines into the glass, the unevenness of the glass substrate caused by the height of the grid lines is avoided, and the formation of a uniform film layer in the ...

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Номер записи: 21
22-08-2023 дата публикации

Method for identifying leather and artificial leather based on GC-IMS and application

Номер: CN116626193A
Автор: WANG LINGXIA, SUN SIWU, YAN FANGPING, WANG XIAOQING, LIANG HUIFANG, DONG YUE, CHEN YUPENG, LI MENGJIE
Принадлежит:

The invention provides a leather and artificial leather identification method based on GC-IMS and application thereof, and the method comprises the following steps: obtaining a to-be-detected sample, injecting the to-be-detected sample into a gas chromatographic column, and separating to obtain a plurality of components; sequentially feeding the components separated from the gas chromatographic column into an ion mobility spectrometer for detection to obtain an ion mobility spectrum as a characteristic spectrum; the characteristic spectrum is compared with a leather standard characteristic spectrum and an artificial leather standard characteristic spectrum so as to identify whether the to-be-detected sample is leather or artificial leather, and the GC-IMS technology is originally applied to the identification of the leather and the artificial leather, so that the to-be-detected sample does not need to be subjected to complex pretreatment; according to the method, the to-be-detected sample ...

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Номер записи: 22
30-05-2023 дата публикации

Preparation method of perovskite core layer

Номер: CN116180008A
Автор: QIN XIAOJUN, XIAO PING, ZHAO ZHIGUO, ZHAO DONGMING, LI XINLIAN, LI MENGJIE, ZHANG YUN, DONG CHAO, XIONG JIGUANG, LIU JIALIANG, YE LIN, FU LIN
Принадлежит:

The invention belongs to the field of chemical processes, and particularly relates to a preparation method of a perovskite core layer. The method provided by the invention comprises the following steps: preparing a mesoporous layer on a substrate, then depositing a metal layer on the mesoporous layer, halogenating, reacting with an AX compound, and annealing to obtain a perovskite core layer; a in the AX compound is one or more of methylamine cations, formamidine cations and Cs < + >, and X is halide ions. The preparation process of the perovskite core layer is optimized and selected, so that the perovskite filling rate of the mesoporous layer can be improved, and meanwhile, the crystal crystallization film forming effect of perovskite is improved.

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Номер записи: 23
13-08-2021 дата публикации

Scribing method for reducing dead zone area of thin-film solar cell

Номер: CN113257928A
Автор: XIAO PING, LI XINLIAN, HUANG BIN, LIU RUWEI, ZHAO DONGMING, DING KUN, ZHAO ZHIGUO, QIN XIAOJUN, XIONG JIGUANG, ZHANG YUN, LI MENGJIE, DONG CHAO, LIU JIALIANG, WANG BAIYUE, 肖平, 李新连, 黄斌, 刘入维, 赵东明, 丁坤, 赵志国, 秦校军, 熊继光, 张赟, 李梦洁, 董超, 刘家梁, 王百月
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The invention discloses a scribing method for reducing the dead zone area of a thin-film solar cell, and belongs to the field of thin-film solar cell assemblys. A plurality of P1 lines are formed after etching is conducted on a bottom electrode layer, etching is conducted on an absorption layer to form P2 after cell PN junctions are formed, the bottoms of the P1 lines extend to the bottom electrode layer, and the P2 is located in a closed area formed by the P1 lines. Then, a top electrode layer is deposited, a grid line is prepared on the upper surface of the top electrode layer and connected with the P2, the surface of the top electrode layer after the grid line is prepared is etched to form a P3 line, and the bottom of the P3 line extends to the upper surface of the bottom electrode layer, thus realizing segmentation and series connection of a thin-film solar cell. The P1 lines and the P2 are specially designed, and the P2 is located in the semi-closed area formed by the P1 lines, so ...

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Номер записи: 24