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1.发明公开
公开(公告)号：EP4407302A1
公开(公告)日：2024-07-31
申请号：EP23804567.8
申请日：2023-03-27
发明人： MA, Lin , WU, Chao , HUANG, Yunlong , CHEN, Man
IPC分类号： G01N21/892
摘要： This application provides an optical detection device, a detection method and device, an electronic device, and a storage medium. The optical detection device includes a detection workspace, a first image acquisition device, a second image acquisition device, a detection light source, and a conveyor. The detection workspace is configured to hold a target workpiece under detection. The first image acquisition device is configured to acquire an image of the target workpiece along a first direction. The second image acquisition device is configured to acquire an image of the target workpiece along a second direction. The detection light source is configured to provide detection light for the first image acquisition device and the second image acquisition device. The conveyor is configured to convey the target workpiece into or out of the detection workspace. The first direction is different from the second direction. An optical axis of at least a part of the detection light provided by the detection light source is coaxial with an optical axis of the first image acquisition device.
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2.发明公开
公开(公告)号：EP3933976A1
公开(公告)日：2022-01-05
申请号：EP20889495.6
申请日：2020-11-07
发明人： CHEN, Shitong , XIE, Bin , FEI, Xinlu , XU, Yongqiang , ZHANG, Yuzhe , MA, Lin
IPC分类号： H01M4/139
摘要： Embodiments of this application provide a device for supplementing an electrode plate with lithium and a method for supplementing an electrode plate with lithium. The device for supplementing an electrode plate with lithium includes a first lithium strip unwinding mechanism, an electrode plate unwinding mechanism, a roller pressing mechanism, a first traction mechanism, an electrode plate winding mechanism, and a first coating mechanism. The first lithium strip unwinding mechanism is configured to dispose a lithium strip, and the electrode plate unwinding mechanism is configured to dispose an electrode plate. The roller pressing mechanism includes a first calendering roller, a first laminating roller, and a second laminating roller. The first traction mechanism is configured to draw the lithium strip into between the first calendering roller and the first laminating roller, and the electrode plate winding mechanism is configured to wind up the electrode plate and draw the electrode plate to pass through between the first laminating roller and the second laminating roller. In a traveling direction of the lithium strip, the first coating mechanism precedes the roller pressing mechanism, and the first coating mechanism is configured to apply a coating layer on a surface of the lithium strip.
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公开(公告)号：EP3540815A1
公开(公告)日：2019-09-18
申请号：EP18192053.9
申请日：2018-08-31
发明人： QIN, Feng , WANG, Zhi , MA, Lin , ZHANG, Hua , YOU, Zhiyi , HE, Runyong
摘要： The disclosure relates to a battery module comprises a housing (10), a battery stack (20), a cover plate assembly (30), and a guiding component (40). The battery stack (20) is disposed in a containing chamber (12) of the housing (10). The cover plate assembly (30) comprises a plate (31), a deformable plate (32) and a module output (33), the plate (31) is arranged to close the opening (11), the deformable plate (32) is connected to the plate (31) and is deformable in a thickness direction of the plate (31), the module output (33) is connected to the plate (31) and is disposed opposite to the deformable plate (32), the module output (33) and the battery stack (20) are electrically connected. The guiding component (40) is disposed between the cover plate assembly (30) and the battery stack (20), and the guiding component (40) comprises a guiding channel (42) and an exhaust port (43), the guiding channel (42) is disposed opposite to the deformable plate (32) and the exhaust port (43) is disposed opposite to the first vent plate (211), the guiding channel (42) and the exhaust port (43) are connected with each other; and the gas released after the first vent plate (211) is opening flows to the deformable plate (32) through the exhaust port (43)and the guiding channel (42). The battery module provided by the embodiment of the present disclosure may prevent the battery from causing fire and explosion due to overcharge at the module level, and may reduce the production cost of the battery module.
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公开(公告)号：EP3367494A1
公开(公告)日：2018-08-29
申请号：EP18156584.7
申请日：2018-02-13
发明人： QIN, Feng , YOU, Zhiyi , MA, Lin , ZHANG, Jie , XIAO, Xinfu , WANG, Juan
摘要： The present application discloses a battery module. The battery module includes a lower housing (10); a cell group (20) accommodated in the lower housing (10), wherein the cell group (20) includes a plurality of cells (200); a top cover (30) sealed from and connected to the lower housing (10), wherein the top cover (30) includes an upper plastic part (312), a lower plastic part (316), and a metal cover plate (314) located between the upper plastic part (312) and the lower plastic part (316); an explosion-proof valve (306) provided on the top cover (30); and a module output electrode (302) provided on the top cover (30), wherein the module output electrode (302) is electrically connected to the cell group (20).
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5.发明公开
公开(公告)号：EP4386886A3
公开(公告)日：2024-09-18
申请号：EP24172785.8
申请日：2020-07-04
发明人： CHEN, Shitong , GONG, Zhijie , XIE, Bin , MA, Lin
IPC分类号： H01M4/04 , H01M4/139 , H01M10/058 , H01M4/13 , H01M10/052
CPC分类号： Y02E60/10 , H01M4/139 , H01M4/13 , H01M4/049 , H01M10/052 , H01M10/058 , H01M4/0435 , Y02P70/50
摘要： The application provides a device for supplementing electrode sheet with lithium and a method for supplementing electrode sheet the lithium. The device includes two first rolling wheels (1), a second rolling wheel (2), a lithium ribbon providing mechanism (3), a first transfer film conveying mechanism (4), a second transfer film conveying mechanism (5) and an electrode sheet providing mechanism (6); the two first rolling wheels (1) are opposite each other, and the second rolling wheel (2) is adjacent to the first rolling wheel (1); the lithium ribbon providing mechanism (3) is used for feeding a lithium ribbon (L0) between the second rolling wheel (2) and the first rolling wheel (1); the first transfer film conveying mechanism (4) is used for conveying a first transfer film (T1) carrying a first release agent (G1) and transferring the first release agent (G1) to the lithium ribbon (L0); the second transfer film conveying mechanism (5) is used for conveying a second transfer film (T2) carrying a second release agent (G2) and transferring the second release agent (G2) to the lithium ribbon (L0); the electrode sheet providing mechanism (6) is used for providing the electrode sheet (P0), and the second rolling wheel (2) and the first rolling wheel (1) are used for pressing the lithium ribbon (L0) into a lithium foil (L1) and making the lithium foil (L1) adhere to the first rolling wheel (1); and the two first rolling wheels (1) are used for making the lithium foil (L1) adhere to the electrode sheet (P0). Therefore, requirement for the thickness consistency of the lithium ribbon (L0) is reduced, and the release agent is provided more flexibly, more controllably and more easily.
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公开(公告)号：EP4166935A1
公开(公告)日：2023-04-19
申请号：EP21912323.9
申请日：2021-08-26
发明人： HU, Liangjin , HUANG, Jinghua , ZHANG, Kunming , JIANG, Guannan , MA, Lin
IPC分类号： G01N21/88 , G01N21/95 , G01N21/89 , H01M10/0585 , G01N21/84
摘要： Embodiments of this application relate to the technical field of batteries, and provide an apparatus and method for detecting tab folds, and an image analyzer. The apparatus for detecting tab folds includes: a first image obtaining module, configured to obtain a first image of a first lateral face of tabs of a battery cell; a second image obtaining module, configured to obtain a second image of a second lateral face of the tabs, where the second lateral face is different from the first lateral face; and an image analyzer, configured to obtain, based on the first image, a first number of layers of the tabs corresponding to the first lateral face, and obtain, based on the second image, a second number of layers of the tabs corresponding to the second lateral face, and determine, based on at least one of the first number of layers or the second number of layers, whether the tabs are in a folded state.
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公开(公告)号：EP3989311A1
公开(公告)日：2022-04-27
申请号：EP20852925.5
申请日：2020-08-07
发明人： CHEN, Shitong , XIE, Bin , HU, Zhao , GONG, Zhijie , LI, Wen , MA, Lin
IPC分类号： H01M4/13
摘要： A negative electrode plate, a lithium-ion battery and an apparatus are disclosed. The negative electrode plate includes a negative electrode current collector, a negative electrode active material layer including a negative electrode active material and disposed on at least one surface of the negative electrode current collector, and a lithium-replenishing layer disposed on a surface of the negative electrode active material layer away from the negative current collector. The lithium-replenishing layer includes a lithium-replenishing region and a gap region, and the lithium-replenishing region and the gap region are interconnected in order. The negative electrode plate can effectively ameliorate the problem of plate heating, and channels formed by the lithium-replenishing region and the gap region can enable the lithium-ion battery to be effectively impregnated with the electrolyte after electrolyte injection is performed to the lithium-ion battery, thereby improving the energy density of the battery while also improving the service life and kinetic performance of the battery.
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公开(公告)号：EP3926753A1
公开(公告)日：2021-12-22
申请号：EP20852469.4
申请日：2020-07-17
发明人： LIU, Huihui , GU, Hui , CAO, Jingyu , MA, Lin
IPC分类号： H01M50/531 , H01M10/0525
摘要： This application provides an electrode assembly and a battery cell. The battery cell includes an electrode assembly, a housing, and a first electrode terminal. The housing includes an accommodation cavity. The electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The separator separates the first electrode plate from the second electrode plate. The first electrode plate includes a first current collector, a first active material layer, and an insulation layer. The first current collector includes a first body portion and a first tab extending from the first body portion. The first active material layer is at least partially coated on a surface of the first body portion. The first tab protrudes out of the first body portion and is electrically connected with the first electrode terminal. The insulation layer is at least partially coated on a surface of the first tab, and an elastic modulus of the insulation layer is less than an elastic modulus of the first tab.
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公开(公告)号：EP3525255A1
公开(公告)日：2019-08-14
申请号：EP18186064.4
申请日：2018-07-27
发明人： QIN, Feng , WANG, Zhi , MA, Lin , ZHANG, Hua , WANG, Xiaofan , XIAO, Xinfu
摘要： The present disclosure relates to a battery module, including: a housing (10) having two oppositely disposed openings (11) and a hollow chamber communicating with the two openings (11) in a first direction (X); a battery stack (20) disposed in the hollow chamber and comprising two or more battery cells (21), wherein each of the two or more battery cells (21) has a first vent plate (211) and a second vent plate (212) disposed opposite to each other in the first direction (X); a first end plate (30) corresponding to one of the two openings (11) and connected to the housing (10), wherein the first end plate (30) is provided with a module output pole (31) electrically connected to the battery stack (20) and a deformable plate (32) disposed opposite to the module output pole (31), and the deformable plate (32) faces the first vent plate (211); a second end plate (40) corresponding to the other of the two openings (11) and connected to the housing (10); and a blocking member (50) disposed between the second end plate (40) and the battery stack (20) such that a pressure for opening the second vent plate (212) is greater than a pressure for opening the first vent plate (211). The battery module provided in the disclosure meets the requirements of power supply, and meanwhile the safety performance of each battery cell (21) under the overcharge condition of the battery module can be ensured.
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公开(公告)号：EP3506386A1
公开(公告)日：2019-07-03
申请号：EP18203737.4
申请日：2018-10-31
发明人： ZHANG, Hua , QIN, Feng , MA, Lin , YOU, Zhiyi
IPC分类号： H01M2/10
摘要： The present invention provides a shell, a battery module and a battery pack. The shell according to the present invention comprises: an enclosing frame which has two side walls, a top wall, a bottom wall and a receiving cavity; two end plates which respectively securely connect with the two ends of the enclosing frame. And each side wall is formed with a fixing rib protruding outwardly along a width direction, the fixing rib is provided with at least one through hole. A battery module comprises the above-mentioned shell. A battery pack according to the present invention comprises: a lower casing; the plurality of above-mentioned battery modules received in the lower casing; and a plurality of fasteners, each fastener passes through the corresponding through hole of the battery module to secure the battery module in the lower casing.
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