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1.发明申请公开(公告)号：US20230123556A1
公开(公告)日：2023-04-20
申请号：US17979009
申请日：2022-11-02
发明人： Huasheng SU , Chengyou XING , Jing ZHANG , Quankun LI , Peng WANG , Haizu JIN
IPC分类号： H01M50/152 , H01M50/627
摘要： A battery cell may include an electrode assembly, a housing and an end cap. The electrode assembly may have a first tab. The housing may have an opening for receiving the electrode assembly. The end cap may include a cap body and a first convex part. The end cap may be provided with a liquid injection hole, and the liquid injection hole may be located inside of the outer peripheral surface of the first convex part. The first convex part may be provided with a flow guiding channel, the flow guiding channel may communicate with the liquid injection hole and penetrate the outer peripheral surface, and the flow guiding channel may be used for allowing at least part of the electrolyte solution to flow to outside of the outer peripheral surface.
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2.发明申请公开(公告)号：US20230048125A1
公开(公告)日：2023-02-16
申请号：US17976882
申请日：2022-10-31
发明人： Huasheng SU , Chengyou XING , Quankun LI , Jing ZHANG , Haizu JIN
IPC分类号： H01M50/152 , H01M50/636 , H01M50/536
摘要： A battery cell may comprise: an electrode assembly, a housing and an end cap. The electrode assembly may have a first tab. The housing may have an opening for accommodating the electrode assembly. The end cap may be configured to connect with the housing and cover the opening. The end cap may have an abutting surface and a welding groove, the abutting surface may be configured to abut against the first tab, and the welding groove may be recessed from one side of the end cap away from the electrode assembly towards the abutting surface. The end cap may form a connector between the abutting surface and the bottom surface of the welding groove, and the connector is configured for being welded with the first tab. The end cap is provided with a reinforcing structure, and the reinforcing structure is protruded from the bottom surface.
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