公开(公告)号：US20240243397A1

公开(公告)日：2024-07-18

申请号：US18620842

申请日：2024-03-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhixin LUO ,  Wenqi ZHU ,  Zhen LI

IPC: H01M50/152 ,  H01M50/179 ,  H01M50/188 ,  H01M50/528 ,  H01M50/533 ,  H01M50/559

CPC classification number: H01M50/152 ,  H01M50/179 ,  H01M50/188 ,  H01M50/528 ,  H01M50/533 ,  H01M50/559

Abstract: A battery cell includes a housing, an electrode component, an end cap, an electrode terminal, and an insulating component. The housing has an opening. The electrode component is accommodated within the housing. The end cap is configured to cover the opening. The electrode terminal is disposed on the end cap and electrically connected to the electrode component. The insulating component is configured to insulate and separate the end cap from the electrode terminal, and at least a part of the insulating component is located between the end cap and the electrode terminal and is attached to the end cap and the electrode terminal.

公开(公告)号：US20240162535A1

公开(公告)日：2024-05-16

申请号：US18419300

申请日：2024-01-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhen LI

IPC: H01M50/147 ,  H01M10/0525 ,  H01M50/531

CPC classification number: H01M50/147 ,  H01M50/531 ,  H01M10/0525 ,  H01M2220/20

Abstract: A battery cell includes an end cap and a welding portion. The end cap is provided with a recess recessed relative to a first face facing away from the inside of the battery cell, and an arc striking portion is arranged between the recess and the first face. The arc striking portion is a slope and has a first end and a second end opposite to each other, the thinner first end is connected to the recess, the thicker second end is connected to the first face. The welding portion is configured to connect the end cap to a tab of the battery cell, a central portion of the welding portion is located in the recess, and an end portion of the welding portion is located on the arc striking portion or the first face.

公开(公告)号：US20240047836A1

公开(公告)日：2024-02-08

申请号：US18492151

申请日：2023-10-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhen LI ,  Xiangyun BAI ,  Wenqi ZHU ,  Yuqian WEN

IPC: H01M50/533 ,  H01M50/107 ,  H01M50/536 ,  H01M50/545 ,  H01M50/566 ,  H01M50/152 ,  H01M50/534

CPC classification number: H01M50/533 ,  H01M50/107 ,  H01M50/536 ,  H01M50/545 ,  H01M50/566 ,  H01M50/152 ,  H01M50/534 ,  H01M2220/20

Abstract: A battery cell, a battery, an electrical device, and a device and method for manufacturing a battery cell are described. The battery cell includes a shell, an electrode assembly, and a current collecting member, where the electrode assembly is accommodated in the shell, and the electrode assembly is provided with a tab; the current collecting member includes a first connecting part and a second connecting part which are connected, the first connecting part is used to be welded to the tab, and the second connecting part is used to be welded to the shell; and the first connecting part and the second connecting part are made of different materials, the first connecting part and the tab are made of the same material, and the second connecting part and the shell are made of the same material.