Title:
EXPLOSION-PROOF VALVE, BATTERY, BATTERY MODULE, BATTERY PACK AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/217225
Kind Code:
A1
Abstract:
A vehicle, comprising a battery pack. The battery pack comprises a battery or a battery module. The battery comprises an explosion-proof valve. The explosion-proof valve comprises an explosion-proof valve body. The explosion-proof valve body has an opening region, and the opening region is provided with an explosion-proof notched groove at the edge thereof. The explosion-proof notched groove comprises a first straight line section, two arc sections and at least one second straight line section. Two ends of the first straight line section are connected to the two arc sections, respectively; at least one of the ends of the second straight line section is connected to the arc section; and the first straight line section is arranged parallel to the second straight line section. In a depth direction of the explosion-proof notched groove, an orthographic projection of the opening region is in an oblong shape. An outer edge of the orthographic projection of the opening region is a predetermined opening boundary, and the area of the orthographic projection of the opening region is S, where S＝a×b+π×b2/4, S≥80mm2, and b≥6mm.
Inventors:
WANG XINYUE (CN)
CHEN GUANGAN (CN)
GAO XIN (CN)
WANG CUICUI (CN)
SUN ZENAN (CN)
CHEN GUANGAN (CN)
GAO XIN (CN)
WANG CUICUI (CN)
SUN ZENAN (CN)
Application Number:
PCT/CN2023/093485
Publication Date:
November 16, 2023
Filing Date:
May 11, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
H01M50/342; H01M50/249; H01M50/258
Foreign References:
| CN216980797U | 2022-07-15 | |||
| CN216980796U | 2022-07-15 | |||
| CN214589030U | 2021-11-02 | |||
| CN214589031U | 2021-11-02 | |||
| CN214589032U | 2021-11-02 | |||
| CN114122613A | 2022-03-01 | |||
| CN212461953U | 2021-02-02 | |||
| JP2008235082A | 2008-10-02 |
Attorney, Agent or Firm:
JW&PARTNERS (CN)
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