Title:
END COVER ASSEMBLY OF BATTERY, BATTERY CELL, ENERGY STORAGE DEVICE, AND ELECTRICAL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/094179
Kind Code:
A1
Abstract:
Disclosed in the present solution are an end cover assembly of a battery, a battery cell, an energy storage device, and an electrical apparatus. The end cover assembly (100) comprises a cover plate (10) and a pole (20). Two opposite sides of the cover plate (10) are a cover inner side (11) and a cover outer side (12); the cover plate (10) is provided with a protrusion (13) on at least one side surface of the cover inner side (11) and the cover outer side (12); the protrusion (13) is annular; the area surrounded by the protrusion (13) is a recess (15); the cover plate (10) is provided with a liquid injection hole (14) penetrating in the thickness direction of the cover plate (10); and the liquid injection hole (14) is located in the recess (15). The pole (20) is sealingly connected to the interior of the liquid injection hole (14).
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Inventors:
ZHANG LIANGLIANG (CN)
XIONG YONGFENG (CN)
YANG MING (CN)
XU WEIDONG (CN)
XIONG YONGFENG (CN)
YANG MING (CN)
XU WEIDONG (CN)
Application Number:
PCT/CN2023/129627
Publication Date:
May 10, 2024
Filing Date:
November 03, 2023
Export Citation:
Assignee:
XIAMEN HITHIUM ENERGY STORAGE TECH CO LTD (CN)
International Classes:
H01M50/152; H01M50/559; H01M50/636
Foreign References:
| CN218827490U | 2023-04-07 | |||
| CN110970580A | 2020-04-07 | |||
| CN108023037A | 2018-05-11 | |||
| CN211376797U | 2020-08-28 | |||
| CN106654077A | 2017-05-10 | |||
| KR20040110335A | 2004-12-31 |
Attorney, Agent or Firm:
ZHIFAN & PARTNERS (CN)
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