US 11,855,297 B2
Battery unit, battery, and electric apparatus
Jianfu He, Ningde (CN); Yonghuang Ye, Ningde (CN); Qian Liu, Ningde (CN); Jingxuan Sun, Ningde (CN); Xiaofu Xu, Ningde (CN); Xueyang Sun, Ningde (CN); and Haizu Jin, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed on Jul. 24, 2023, as Appl. No. 18/357,389.
Application 18/357,389 is a continuation of application No. PCT/CN2021/106110, filed on Jul. 13, 2021.
Prior Publication US 2023/0369701 A1, Nov. 16, 2023
Int. Cl. H01M 50/242 (2021.01)
CPC H01M 50/242 (2021.01) [H01M 2220/20 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A battery unit, comprising:
a housing;
at least one cell, accommodated in the housing; and
a buffer, accommodated in the housing and disposed corresponding to a side wall of the cell,
wherein the buffer is provided with an accommodating cavity, a periphery of the accommodating cavity comprises at least one packaging structure, the packaging structure comprises at least one level of packaging region with a predetermined length, and when pressure in the accommodating cavity exceeds packaging strength of the packaging structure, the packaging region is opened to form a buffer space that communicates with the accommodating cavity.