Title:
BATTERY COVER PLATE, BATTERY, BATTERY PACK AND ENERGY STORAGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/078008
Kind Code:
A1
Abstract:
Disclosed in the present application are a battery cover plate, a battery, a battery pack and an energy storage system, which are used for monitoring the opening state of an explosion-proof valve of a battery. The battery cover plate comprises a cover plate body, a first electrode assembly and an explosion-proof valve, wherein the cover plate body is provided with a first through hole; the first electrode assembly comprises a first insulating member and a first conductive sheet, the first insulating member is arranged on a first side of the cover plate body and covers the first through hole, the first insulating member is provided with a second through hole and an open slot, the second through hole is opposite the first through hole in terms of position, one end of the open slot is in communication with the first through hole, and the other end of the open slot extends to a side wall of the first insulating member and is in communication with the outside; the first conductive sheet is arranged on the side of the first insulating member that faces away from the cover plate body; and the explosion-proof valve is arranged on the surface of one side of the cover plate body and covers the first through hole, the explosion-proof valve is provided with a notch, which defines, on the explosion-proof valve, a turn-over portion in the shape of an open ring, and the turn-over portion is used for being turned over in the notch when stress is put on same, and comes into contact with the first conductive sheet after being turned over.
Inventors:
WU WEIHUANG (CN)
Application Number:
PCT/CN2023/102170
Publication Date:
April 18, 2024
Filing Date:
June 25, 2023
Export Citation:
Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
H01M50/342; H01M10/42; H01M50/15; H01M50/569
Foreign References:
| CN216958400U | 2022-07-12 | |||
| CN216793925U | 2022-06-21 | |||
| CN208111497U | 2018-11-16 | |||
| CN112952303A | 2021-06-11 | |||
| US20140193675A1 | 2014-07-10 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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