Title:
END CAP ASSEMBLY, BATTERY CELL, BATTERY MODULE, AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/208317
Kind Code:
A1
Abstract:
Disclosed are an end cap assembly (100), a battery cell (10), a battery module (11), and an apparatus. The end cap assembly (100) is used for the battery cell (10), and the end cap assembly (100) comprises: an end cap (110); an electrode terminal (130), which is arranged on the end cap (110); and an insulating part, which is used for insulating the electrode terminal (130) from the end cap (110) and is arranged on the electrode terminal (130) in a sleeving manner. The insulating part abuts against the electrode terminal (130), at least one of the insulating part and the electrode terminal (130) is provided with a stress relief groove (140), and the stress relief groove (140) is configured to absorb stress generated when the electrode terminal (130) abuts against the insulating part.
Inventors:
WU NINGSHENG (CN)
XING CHENGYOU (CN)
CHEN YUANBAO (CN)
WANG PENG (CN)
LI QUANKUN (CN)
XING CHENGYOU (CN)
CHEN YUANBAO (CN)
WANG PENG (CN)
LI QUANKUN (CN)
Application Number:
PCT/CN2020/110837
Publication Date:
October 21, 2021
Filing Date:
August 24, 2020
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M2/04; H01M2/08; H01M2/30
Foreign References:
| CN202616327U | 2012-12-19 | |||
| CN205197849U | 2016-05-04 | |||
| CN107359290A | 2017-11-17 | |||
| JP2008305646A | 2008-12-18 | |||
| US6132900A | 2000-10-17 |
Other References:
See also references of EP 3926741A4
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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