US 12,261,329 B2
Battery cell, method and apparatus for manufacturing the same, battery, and electric apparatus
Hui Gu, Ningde (CN); Linlin Zhu, Ningde (CN); Guanghao Zhu, Ningde (CN); Chao Liu, Ningde (CN); Wenjie Yu, Ningde (CN); Qingkui Chi, Ningde (CN); and Haizu Jin, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed on Mar. 18, 2024, as Appl. No. 18/608,743.
Application 18/608,743 is a continuation of application No. PCT/CN2022/074309, filed on Jan. 27, 2022.
Prior Publication US 2024/0222826 A1, Jul. 4, 2024
Int. Cl. H01M 50/636 (2021.01); H01M 10/04 (2006.01); H01M 50/103 (2021.01); H01M 50/538 (2021.01); H01M 50/578 (2021.01)
CPC H01M 50/636 (2021.01) [H01M 10/0422 (2013.01); H01M 50/103 (2021.01); H01M 50/538 (2021.01); H01M 50/578 (2021.01); H01M 2220/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A battery cell, comprising:
a shell with a first wall;
an electrode assembly disposed inside the shell, wherein the electrode assembly is formed with a center hole, and a first tab is provided on a side of the electrode assembly facing the first wall; and
a first current collecting member disposed between the first wall and the electrode assembly and configured for electrically connecting the first tab and the first wall,
wherein
the first wall has a first surface facing the first current collecting member, the first current collecting member has a second surface facing the first wall, one of the first surface of the first wall and the second surface of the first current collecting member is provided with a protrusion, and the other abuts against the protrusion to form a gap between the first wall and the first current collecting member; and
the first current collecting member is formed with a first hole and a second hole, the first hole is opposite to the center hole of the electrode assembly, the second hole is opposite to the first tab, and the first hole is configured to be in communication with the second hole through the gap.