Title:
BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/159588
Kind Code:
A1
Abstract:
The present application relates to a battery cell, a battery, and an electrical device. The battery cell comprises: an electrode assembly; a housing, configured to accommodate the electrode assembly; and a cover assembly, configured to seal an opening of the housing. The housing comprises a first wall and two second walls disposed opposite to each other; the first wall is configured to connect the two second walls; the wall thickness of the first wall is greater than that of each second wall; the first wall is provided with a pressure relief mechanism, and the pressure relief mechanism is configured to actuate to release pressure when a gas pressure inside the housing reaches a threshold. The battery cell of the present application can meet a release requirement of the gas inside the battery cell, and safety performance of the battery cell can be ensured.
Inventors:
LEI YUYONG (CN)
GUO ZHIJUN (CN)
LI CHUAN (CN)
SONG YINGJUN (CN)
GUO ZHIJUN (CN)
LI CHUAN (CN)
SONG YINGJUN (CN)
Application Number:
PCT/CN2022/078375
Publication Date:
August 31, 2023
Filing Date:
February 28, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M50/242; H01M50/209; H01M50/244; H01M50/342
Foreign References:
| CN212991189U | 2021-04-16 | |||
| CN213546446U | 2021-06-25 | |||
| CN101685850A | 2010-03-31 | |||
| CN102136552A | 2011-07-27 | |||
| JP2021190360A | 2021-12-13 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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