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公开(公告)号：US20230411808A1
公开(公告)日：2023-12-21
申请号：US18210494
申请日：2023-06-15
发明人： Yongjun LI , Yehui JIAO , Shengli CHEN , Hongjiang YU , Wuyuan ZOU
IPC分类号： H01M50/559 , H01M50/107 , H01M50/152 , H01M50/179 , H01M50/536
CPC分类号： H01M50/559 , H01M50/107 , H01M50/152 , H01M50/179 , H01M50/536
摘要： Disclosed is an electrode terminal, which includes a columnar portion and a first extension portion. An end surface of the columnar portion is concave inwards to form a first groove, the first extension portion extends outwards along a circumferential direction of the end surface of the columnar portion formed with the first groove, and an electric connection portion is formed at an end of the columnar portion away from the first groove. The electrode terminal in the disclosure is fitted with a current collecting assembly, a clamping process of the electrode terminal and the current collecting assembly is effectively omitted, a space utilization rate of a battery is improved, and the electrode terminal is welded to an external circuit more accurately and simply. In addition, further disclosed are a current collecting assembly and a cylindrical battery.
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公开(公告)号：US20230032938A1
公开(公告)日：2023-02-02
申请号：US17962524
申请日：2022-10-09
发明人： Bin JIANG , Yongjun LI , Cheng WANG , Wuyuan ZOU
IPC分类号： H01M50/147 , H01M50/553
摘要： A battery top cover assembly structure includes a top cover sheet and an electrode column arranged thereon. The top cover sheet is provided with a mounting hole for mounting the electrode column. An insulating part and a plastic part are sleevedly arranged on the electrode column in sequence. The plastic part is embedded in a bottom of the mounting hole. A bottom of the electrode column is fixedly provided on a bottom surface of the plastic part.
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公开(公告)号：US20240222825A1
公开(公告)日：2024-07-04
申请号：US18293276
申请日：2021-10-19
发明人： Yongjun LI , Juntai LU , Shengli CHEN
IPC分类号： H01M50/593 , H01M50/147 , H01M50/533
CPC分类号： H01M50/593 , H01M50/147 , H01M50/533
摘要： A secondary battery, a battery module and an electrical device are provided. The secondary battery includes a top cover plate, cell assemblies, and insulators arranged between the top cover plate and the cell assemblies and configured to isolate the cell assemblies from the top cover plate. Each of the cell assemblies includes a cell body and tabs arranged on the cell body; the secondary battery includes electrode terminals, the electrode terminals pass through the top cover plate and the insulators and being connected to the tabs. Bottom ends of the electrode terminals extend along the bottom surfaces of the insulators to form extension parts. The extension parts are fixedly connected to the tabs. According to the disclosure, a connecting piece is omitted, and production parts and procedures are simplified, thereby facilitating reduction of the production cost.
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公开(公告)号：US20240014478A1
公开(公告)日：2024-01-11
申请号：US18220477
申请日：2023-07-11
发明人： Yongjun LI , Shengli CHEN , Zengying YUAN , Yehui JIAO , Wuyuan ZOU
IPC分类号： H01M50/152 , H01M50/593
CPC分类号： H01M50/152 , H01M50/593
摘要： The present disclosure belongs to the technical field of batteries, and specifically relates to a battery cover structure, including: a first cover, a second cover, a third cover and an insulator; the first cover is provided with a first through hole, and the second cover and the third cover are connected and arranged in the first through hole, the insulator is arranged between the first cover and the second cover and between the first cover and the third cover, and the second cover is configured for being electrically connected to an outside, and the third cover is configured for being electrically connected to a first tab; and the second cover and the third cover have the height difference in the first direction, and each of the second cover and the third cover is provided with a welding region.
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公开(公告)号：US20240097285A1
公开(公告)日：2024-03-21
申请号：US18370592
申请日：2023-09-20
发明人： Lincong LAI , Rui WANG , Hongjiang YU , Pan XU , Yongjun LI , Zhigao LUO
IPC分类号： H01M50/533 , H01M50/107 , H01M50/152 , H01M50/184 , H01M50/188 , H01M50/536 , H01M50/559 , H01M50/566 , H01M50/586 , H01M50/593
CPC分类号： H01M50/533 , H01M50/107 , H01M50/152 , H01M50/184 , H01M50/188 , H01M50/536 , H01M50/559 , H01M50/566 , H01M50/586 , H01M50/593
摘要： The disclosure belongs to the technical field of batteries, and particularly relates to a current collector component, which includes a first current collector piece, a second current collector piece, and an insulator, the first current collector piece and the second current collector piece being in insulated connection through an insulator; and the second current collector piece includes a body part, a welding part, and a connecting part, the body part being connected to the insulator and provided with a first electrical connection surface, the connecting part being connected between the body part and the welding part, and the connecting part being bendable, so that the welding part is located on the side, far away from the first electrical connection surface, of the body part. The structure of the disclosure may increase the utilization rate of the internal space of a housing.
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公开(公告)号：US20230402724A1
公开(公告)日：2023-12-14
申请号：US18207028
申请日：2023-06-07
发明人： Juntai LU , Jianliang WEI , Yongjun LI , Yehui JIAO , Dandan CHEN , Maopeng YE
IPC分类号： H01M50/533 , H01M50/538 , H01M50/152 , H01M50/107 , H01M10/0587 , H01M10/04
CPC分类号： H01M50/533 , H01M50/538 , H01M50/152 , H01M50/107 , H01M10/0587 , H01M10/0431
摘要： Disclosed are a bare cell, a cylindrical battery and an assembly method of the bare cell. The bare cell is formed a cylinder by stacking and winding a first electrode plate, a separator and a second electrode plate, the polarity of the first electrode plate is opposite to the polarity of the second electrode plate, at least one of the first electrode plate and the second electrode plate forms a plurality of tabs at at least one end of the cylinder in an axial direction, each of the plurality of tabs is provided with at least one die-cutting line to form a plurality of sub-tabs, the plurality of tabs are bent and flattened in a radial direction, and the plurality of sub-tabs of two adjacent layers of the plurality of tabs are arranged in a staggered manner.
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公开(公告)号：US20240097286A1
公开(公告)日：2024-03-21
申请号：US18370597
申请日：2023-09-20
发明人： Lincong LAI , Hongjiang YU , Rui WANG , Pan XU , Zhimin XUE , Zhigao LUO , Yongjun LI
IPC分类号： H01M50/536 , H01M4/70
CPC分类号： H01M50/536 , H01M4/70
摘要： The disclosure belongs to the technical field of batteries, and particularly relates to a current collector component, which includes a first current collector piece, a second current collector piece, and an insulator, the first current collector piece and the second current collector piece being in insulated connection through an insulator; the second current collector piece includes a body part and a welding part, the body part and the welding part forming an included angle, and a welding surface of the welding part and a surface of the body part forming an included angle. The structure of the disclosure has high welding safety, may increase the utilization rate of the internal space of a housing, and may prevent the damage to a cell caused by laser penetration welding. In addition, the disclosure further discloses a secondary battery.
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公开(公告)号：US20240047797A1
公开(公告)日：2024-02-08
申请号：US18230489
申请日：2023-08-04
发明人： Zhikang WU , Shengli CHEN , Yongjun LI
IPC分类号： H01M50/152 , H01M50/107 , H01M50/538 , H01M50/597
CPC分类号： H01M50/152 , H01M50/107 , H01M50/538 , H01M50/597
摘要： Disclosed are a cylindrical battery and a cylindrical battery assembly which relate to the technical field of battery production and manufacturing. The cylindrical battery assembly includes a housing and a top cover assembly, the housing is provided with an opening, the top cover assembly seals the opening in an insulating manner, the top cover assembly includes a first top cover, a second top cover and an insulating part, the polarity of the first top cover is opposite to the polarity of the second top cover, the first top cover is connected to the second top cover in an insulating manner by an insulating part, a directive structure is arranged on the housing and/or the top cover assembly, and the directive structure and the cylindrical battery assembly are arranged in a non-coaxial manner.
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公开(公告)号：US20230335865A1
公开(公告)日：2023-10-19
申请号：US18133360
申请日：2023-04-11
发明人： Zhikang WU , Shengli CHEN , Yongjun LI , Fawen LIN , Ruipeng ZHANG
IPC分类号： H01M50/477 , H01M50/184 , H01M50/107 , H01M50/152
CPC分类号： H01M50/477 , H01M50/107 , H01M50/152 , H01M50/184
摘要： Disclosed are a cylindrical battery and a battery module. The cylindrical battery includes: a housing; a cell arranged in the housing, where the cell is provided with a first tab, and a second tab having an opposite polarity relative to the first tab, and the first tab and the second tab are located at the same end face of the cell; a cover assembly connected to the housing, where the cover assembly includes a first cover, a second cover and an insulator, the first cover and the second cover are connected to each other in an insulated manner through the insulator to form an integral structure, the first cover is connected to the first tab, and the second cover is connected to the second tab; and an insulating barrier arranged between the first tab and the second tab.
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公开(公告)号：US20230006290A1
公开(公告)日：2023-01-05
申请号：US17940920
申请日：2022-09-08
发明人： Yongjun LI , Wuyuan ZOU
IPC分类号： H01M50/148 , H01M50/186 , H01M50/627 , H01M50/317 , H01M50/536
摘要： A battery top cover structure includes a top cover sheet and a first electrode arranged thereon. A sealing sleeve is sleevedly provided between the first electrode and the top cover sheet. The first electrode includes a conductive part and a welding part. A top of the welding part passes through the top cover sheet and is fixed to the conductive part. A bottom of the welding part is fixed to the bottom surface of the top cover sheet by means of a plastic part. An assembly method of the battery top cover structure is also provided.
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