Title:
BATTERY CELL, BATTERY PACK AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/217226
Kind Code:
A1
Abstract:
A battery cell (1), a battery pack (2) and a vehicle (4). The battery cell (1) comprises: a first recess (140) and a plurality of second recesses (150) that are constructed on the inner wall surface of a second side wall (130) and are concave in the direction facing away from an inner cavity (110), wherein the first recess (140) forms an inner main air passage (141) in the inner cavity (110), the plurality of second recesses (150) form a plurality of branch air passages (151) in the inner cavity (110), the plurality of branch air passages (151) are separately communicated with the main air passage (141), and the second side wall (130) is provided with an explosion-proof hole (160) corresponding to the position of the main air passage (141); an explosion-proof valve (300) mounted on the second side wall (130); and an electrode core (400) provided in a housing (100) and spaced apart from the explosion-proof hole (160).
Inventors:
WANG XINYUE (CN)
CHEN CHONG (CN)
CHENG HAN (CN)
CHEN CHONG (CN)
CHENG HAN (CN)
Application Number:
PCT/CN2023/093498
Publication Date:
November 16, 2023
Filing Date:
May 11, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
H01M50/317; H01M50/35
Foreign References:
| CN217387441U | 2022-09-06 | |||
| CN206098459U | 2017-04-12 | |||
| CN205863226U | 2017-01-04 | |||
| CN215771430U | 2022-02-08 | |||
| CN209401662U | 2019-09-17 | |||
| JP2019133855A | 2019-08-08 |
Attorney, Agent or Firm:
JW&PARTNERS (CN)
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