Title:
END COVER, BATTERY CELL, BATTERY AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/092724
Kind Code:
A1
Abstract:
An end cover, a battery cell, a battery and an electric device. The end cover (22) comprises: an end cover body (221), the end cover body (221) having an opening (222); a first connecting structure (223) comprising first metal, the first connecting structure (223) being arranged on an outer side of the opening (222) and configured to be welded to an electrode terminal (26) in the opening (222); and a second connecting structure (224) comprising second metal, the second connecting structure (224) being connected to the first connecting structure (223), and the second connecting structure (224) being configured to be welded to a first sealing member (21) for sealing the opening (222).
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Inventors:
SU HUASHENG (CN)
XING CHENGYOU (CN)
LI QUANKUN (CN)
XING CHENGYOU (CN)
LI QUANKUN (CN)
Application Number:
PCT/CN2022/129897
Publication Date:
May 10, 2024
Filing Date:
November 04, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M50/516; H01M50/503; H01M50/553
Foreign References:
| CN107123778A | 2017-09-01 | |||
| JPH0831402A | 1996-02-02 | |||
| CN106784445A | 2017-05-31 | |||
| CN101983447A | 2011-03-02 | |||
| JP2017069087A | 2017-04-06 | |||
| CN106299172A | 2017-01-04 | |||
| CN215578764U | 2022-01-18 |
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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