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Patent Searching and Data


Title:
SECONDARY BATTERY TOP COVER ASSEMBLY AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/207238
Kind Code:
A1
Abstract:
The present disclosure relates to a secondary battery top cover assembly and a secondary battery. The top cover assembly comprises a top cover plate provided with a through hole; an electrode terminal covering the through hole; an insulating plat having at least a part located on the side of the top cover plate away from the electrode terminal; a sealing member having at least a part arranged between the top cover plate and the electrode terminal; and an insulating member having at least a part arranged between the top cover plate and the insulating plate, wherein the insulating member and the sealing member at least jointly surround the side wall of the through hole and the area of the upper surface of the top cover plate close to the through hole.

Inventors:
LIANG CHENGDU (CN)
WU KAI (CN)
CHEN XINXIANG (CN)
HUANG SHOUJUN (CN)
CHEN BAISONG (CN)
SU HUASHENG (CN)
LI GUOWEI (CN)
Application Number:
PCT/CN2020/080879
Publication Date:
October 15, 2020
Filing Date:
March 24, 2020
Export Citation:
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Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M2/04; H01M2/08; H01M2/34
Foreign References:
CN110176558A2019-08-27
CN209658243U2019-11-19
US20030124420A12003-07-03
US20030124420A12003-07-03
CN208690318U2019-04-02
EP2388849A12011-11-23
Other References:
See also references of EP 3790072A4
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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