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Button cell and manufacturing method thereof and electronic equipment

Grant US12580286B2 Kind: B2 Mar 17, 2026

Assignee

Zhuhai CosMX Battery Co., Ltd

Inventors

Bin Xie, Ning Peng, Longyun Chen, Yuxiang Zeng, Zhida Wei, Yongwang Wang, Zhifeng Wang, Desheng Xu, Hongkai Lin

Abstract

The present application provides a button cell and its manufacturing method and electronic equipment. The button cell includes a housing, an electrode assembly and a covering member, an accommodating cavity being provided in the housing, the electrode assembly being located in the accommodating cavity, the housing having a liquid injection hole for injecting electrolyte into the accommodating cavity; an outer surface of the housing having a recessed portion that is recessed towards an inner side of the accommodating cavity, the recessed portion being located at a orifice of the liquid injection hole and communicated with the liquid injection hole; and the covering member being welded to the outer side of the housing to cover the recessed portion and the liquid injection hole. The button cell and its manufacturing method and electronic equipment of the present.

CPC Classifications

H01M 50/627 H01M 50/169 H01M 50/566 H01M 50/184

Filing Date

2022-12-02

Application No.

18061402

Claims

19