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Patent Agency Ranking
公开(公告)号：US20190214612A1
公开(公告)日：2019-07-11
申请号：US15969652
申请日：2018-05-02
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhijun GUO , Jie Zhang , Taosheng Zhu , Peng Wang , Guowei Li
Abstract: The present disclosure provides a battery cap assembly, a secondary battery and a battery module. The battery cap assembly comprises a cap plate, a first electrode terminal and a first sealing member. The cap plate includes a first terminal hole. The first electrode terminal includes a first protruding portion and a first base portion, a cross-sectional area of the first protruding portion is larger than a cross-sectional area of the first terminal hole. The first sealing member includes a first main portion, the first main portion includes a first through-hole. The first protruding portion is used for welding with a first connecting piece to form a welding portion, a projection of the welding portion is positioned in the first through-hole. The secondary battery comprises a case, the battery cap assembly and an electrode assembly. The battery module comprises the first connecting piece and the secondary batteries.
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公开(公告)号：US11831028B2
公开(公告)日：2023-11-28
申请号：US16965290
申请日：2018-04-17
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Jie Zhang , Zhijun Guo , Peng Wang , Guowei Li , Taosheng Zhu
IPC: H01M50/147 , H01M50/559 , H01M50/548 , H01M50/16 , H01M50/533 , H01M50/179
CPC classification number: H01M50/147 , H01M50/16 , H01M50/179 , H01M50/533 , H01M50/548 , H01M50/559 , H01M2220/20
Abstract: A secondary battery including: a case including an opening; a top cover assembly including a top cover plate covering the opening and an electrode terminal, the top cover plate including an electrode lead-out hole corresponding to the electrode terminal; an electrode assembly received in the case and including a main body and a tab, the tab being bent relative to a thickness direction of the top cover plate to form a bent portion; and a current collecting wiring board disposed between the top cover plate and the main body and including a first connection portion, a second connection portion, and a transition portion, the first connection portion and the second connection portion extending along a width direction of the top cover plate and being provided opposite to each other, the first connection portion being connected with the electrode terminal, and the second connection portion being connected with the bent portion.
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公开(公告)号：US11258143B2
公开(公告)日：2022-02-22
申请号：US17138586
申请日：2020-12-30
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yulian Zheng , Chengyou Xing , Peng Wang , Guowei Li
IPC: H01M50/543 , H01M50/15 , H01M50/172 , H01M50/528 , H01M50/502 , H01M50/516 , H01M50/103 , H01M50/553 , H01M50/188 , H01M50/557
Abstract: The present disclosure provides a battery module, a secondary battery and a cap assembly thereof. The cap assembly includes a cap plate which is provided with a terminal hole and an electrode terminal provided to the cap plate and covering the terminal hole; the electrode terminal includes an outer surface; the electrode terminal includes a positioning hole which is recessed with respect to the outer surface and includes a first portion and a second portion, the second portion is positioned to a side of the first portion away from the outer surface; a section of the first portion parallel to a central axis of the positioning hole is trapezoidal; a size of the first portion gradually decreases in a direction of the first portion close to the second portion, and a minimum size of the first portion is greater than or equal to a size of the second portion.
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公开(公告)号：US10811643B2
公开(公告)日：2020-10-20
申请号：US15969652
申请日：2018-05-02
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhijun Guo , Jie Zhang , Taosheng Zhu , Peng Wang , Guowei Li
Abstract: The present disclosure provides a battery cap assembly, a secondary battery and a battery module. The battery cap assembly comprises a cap plate, a first electrode terminal and a first sealing member. The cap plate includes a first terminal hole. The first electrode terminal includes a first protruding portion and a first base portion, a cross-sectional area of the first protruding portion is larger than a cross-sectional area of the first terminal hole. The first sealing member includes a first main portion, the first main portion includes a first through-hole. The first protruding portion is used for welding with a first connecting piece to form a welding portion, a projection of the welding portion is positioned in the first through-hole. The secondary battery comprises a case, the battery cap assembly and an electrode assembly. The battery module comprises the first connecting piece and the secondary batteries.
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公开(公告)号：US20190115612A1
公开(公告)日：2019-04-18
申请号：US15974485
申请日：2018-05-08
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhijun Guo , Jie Zhang , Taosheng Zhu , Peng Wang , Guowei Li
Abstract: The present disclosure provides a battery cap assembly and a secondary battery. The battery cap assembly comprises a cap plate, a first electrode terminal and a first connecting piece. The cap plate is made of insulating material and includes a first terminal hole; the first electrode terminal is provided to the cap plate and extends into the first terminal hole; the first connecting piece is provided below the cap plate. The first connecting piece includes a first connecting portion connected with the first electrode terminal, an upper surface of the first connecting portion is attached to the cap plate. The secondary battery comprises an electrode assembly, a case and the battery cap assembly. The case receives the electrode assembly and has an opening. The cap plate is connected with the case, the first connecting portion of the first connecting piece is electrically connected with the first electrode plate.
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