US 12,482,893 B2
Battery, electric apparatus, method for preparing battery, and apparatus for preparing battery
Jinfeng Li, Ningde (CN); Lei Wang, Ningde (CN); Feng Qin, Ningde (CN); and Peng Wang, 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 Jun. 22, 2022, as Appl. No. 17/846,529.
Application 17/846,529 is a continuation of application No. PCT/CN2021/076279, filed on Feb. 9, 2021.
Prior Publication US 2022/0376353 A1, Nov. 24, 2022
Int. Cl. H01M 50/325 (2021.01); H01M 50/204 (2021.01); H01M 50/548 (2021.01)
CPC H01M 50/325 (2021.01) [H01M 50/204 (2021.01); H01M 50/548 (2021.01)] 18 Claims
OG exemplary drawing
 
1. A battery, comprising:
a plurality of battery cells arranged in a first direction and electrically connected to each other, wherein each of the battery cells comprises a can and two electrode terminals of opposite polarities, the two electrode terminals are respectively disposed at two ends of the can in the first direction, and at least one of the electrode terminals protrudes from the can in a direction leaving an interior of the battery cell, wherein at least one of two adjacent battery cells has a pressure relief mechanism, and the pressure relief mechanism is disposed at an end of the battery cell in the first direction;
a sampling member connected to the battery cells, wherein a connecting portion of the sampling member is located in a gap formed between two adjacent battery cells of the plurality of batteries, the connecting portion is configured to connect the electrode terminals of the battery cell, the connecting portion is configured to simultaneously collect electrical signals from the battery cells and transmit the electrical signals to a signal processor; and
a protective member located between the two adjacent battery cells and disposed opposite the pressure relief mechanism, wherein a degassing space is formed between the protective member and the pressure relief mechanism;
wherein the protective member is fixed to the connecting portion of the sampling member,
wherein the connecting portion is connected to a circumferential side wall of the electrode terminal,
wherein a plurality of convex portions are provided on an inner surface of the sampling member, a plurality of concave portions corresponding to the convex portions are provided in a circumferential side wall of the electrode terminal, and the plurality of concave portions fit the plurality of convex portions for clamping the circumferential side wall of the electrode terminal.