US 12,009,547 B2
Battery cell, battery, electrical device, and battery cell manufacturing method and device
Wenlin Zhou, Ningde (CN); Yulian Zheng, Ningde (CN); Xinxiang Chen, Ningde (CN); Liangfan Xu, Ningde (CN); Peng Wang, 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 Dec. 29, 2021, as Appl. No. 17/564,598.
Application 17/564,598 is a continuation of application No. PCT/CN2021/096943, filed on May 28, 2021.
Prior Publication US 2022/0384916 A1, Dec. 1, 2022
Int. Cl. H01M 50/00 (2021.01); H01M 50/147 (2021.01); H01M 50/536 (2021.01)
CPC H01M 50/536 (2021.01) [H01M 50/147 (2021.01); H01M 2220/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A battery cell, comprising:
an electrode assembly, comprising a main body and tabs;
a housing with an opening, wherein the housing is used to accommodate the electrode assembly;
an end cover assembly used to cover the opening; and
a support piece located between the main body and the end cover assembly, wherein the tabs are bent around the support piece, and the support piece is configured to prevent the main body from moving along a direction facing the end cover assembly;
wherein the end cover assembly is provided with a first recessed portion facing the main body, and the first recessed portion is configured to accommodate at least a part of the support piece;
wherein the first recessed portion is configured to accommodate at least a part of the tab.