公开(公告)号：US20240332762A1

公开(公告)日：2024-10-03

申请号：US18739347

申请日：2024-06-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Liangfan Xu ,  Wenlin Zhou ,  Qianqian Zhang ,  Xing Li ,  Quankun Li ,  Shaojun Niu ,  Haizu Jin

IPC: H01M50/59 ,  H01M10/42 ,  H01M50/103 ,  H01M50/15 ,  H01M50/586

CPC classification number: H01M50/59 ,  H01M10/4235 ,  H01M50/103 ,  H01M50/15 ,  H01M50/586

Abstract: A battery cell, a battery and an electricity-consuming apparatus are provided by the present application. The battery cell includes an electrode assembly including an electrode main body that includes an electrode sheet and a separator stacked with each other, and an electrode tab extending from an end face of the electrode main body; and an infiltrating film including a first end and a second end arranged opposite to each other in a length direction thereof, in which the second end is connected to the separator, and the first end extends beyond the electrode main body.

公开(公告)号：US12009547B2

公开(公告)日：2024-06-11

申请号：US17564598

申请日：2021-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Yulian Zheng ,  Xinxiang Chen ,  Liangfan Xu ,  Peng Wang ,  Haizu Jin

IPC: H01M50/00 ,  H01M50/147 ,  H01M50/536

CPC classification number: H01M50/536 ,  H01M50/147 ,  H01M2220/20

Abstract: The embodiments of this application provide a battery cell, a battery, an electrical device, and a battery cell manufacturing method and device, which pertains to the technical field of batteries. The battery cell includes an electrode assembly, a housing, an end cover assembly, and a support piece. The electrode assembly includes a main body and tabs. The housing has an opening and is used to accommodate the electrode assembly. The end cover assembly is used to cover the opening. The support piece is located between the main body and the end cover assembly, 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.

公开(公告)号：US20250105410A1

公开(公告)日：2025-03-27

申请号：US18973126

申请日：2024-12-09

Applicant: Jiangsu Contemporary Amperex Technology Limited ,  CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongfeng Xie ,  Quankun Li ,  Wenlin Zhou ,  Wenzhong Liu ,  Liqin Wang

IPC: H01M50/176 ,  H01M50/15 ,  H01M50/188 ,  H01M50/536 ,  H01M50/557 ,  H01M50/593

Abstract: Provided an end cover assembly, a battery cell, a battery, and an electric apparatus. The end cover assembly in the embodiments of the present application includes: an end cover provided with a first through hole; and an electrode leading-out member including a connecting plate and a post terminal protruding from a surface of the connecting plate, at least part of the post terminal being disposed in the first through hole, and the connecting plate being located on one side of the end cover, where the connecting plate is connected to a tab of an electrode assembly. In the technical solutions of the embodiments of the present application, the electrode leading-out member is provided, which increases contact area between a post and a tab, expands overcurrent area between the post terminal and the connecting plate, reduces internal resistance, lowers temperature rise, and improves the safety performance of a battery cell.