公开(公告)号：US20240222826A1

公开(公告)日：2024-07-04

申请号：US18608743

申请日：2024-03-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hui GU ,  Linlin Zhu ,  Guanghao Zhu ,  Chao Liu ,  Wenjie Yu ,  Qingkui Chi ,  Haizu Jin

IPC: H01M50/636 ,  H01M10/04 ,  H01M50/103 ,  H01M50/538 ,  H01M50/578

CPC classification number: H01M50/636 ,  H01M10/0422 ,  H01M50/103 ,  H01M50/538 ,  H01M50/578 ,  H01M2220/20

Abstract: The present application relates to a battery cell and a manufacturing method and device thereof, a battery, and a power consumption apparatus, belonging to the field of battery manufacturing technologies. The battery cell includes: a shell with a first wall; an electrode assembly; and a first current collecting member, where 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 and the second surface 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 provided with a first hole and a second hole, and the first hole is configured to be in communication with the second hole through the gap.

公开(公告)号：US11984622B1

公开(公告)日：2024-05-14

申请号：US18412333

申请日：2024-01-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qingkui Chi ,  Tao Pu ,  Yang Zou ,  Wenjie Yu ,  Zhisheng Chai ,  Haizu Jin

IPC: H01M50/536 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/186 ,  H01M50/213 ,  H01M50/474

CPC classification number: H01M50/536 ,  H01M10/0404 ,  H01M10/0431 ,  H01M10/049 ,  H01M50/107 ,  H01M50/152 ,  H01M50/186 ,  H01M50/213 ,  H01M50/474

Abstract: A battery cell includes a shell, an end cover, an electrode assembly, and a current collector component. The shell has an opening, and the inner surface of the shell is provided with a first limit part in a protruding manner. The end cover covers the opening. The electrode assembly and the end cover are respectively located on both sides of the first limit part, and the electrode assembly has a tab on the side facing the end cover. The current collector component includes a body part and a connecting part, and the connecting part is connected to the first limit part. The body part includes a first welding region and a second welding region, the first welding region is located on the periphery of the second welding region, the first welding region and the second welding region are separated by the connection position between the connecting part and the body part.