公开(公告)号：US20230216077A1

公开(公告)日：2023-07-06

申请号：US18181597

申请日：2023-03-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yaoling WEN ,  Zhongping LUO ,  Wenfa LIN

IPC: H01M10/04 ,  H01M50/202

CPC classification number: H01M10/0409 ,  H01M10/0431 ,  H01M50/202

Abstract: Disclosed are a wound electrode assembly, and a method and manufacturing apparatus for manufacturing the wound electrode assembly. The wound electrode assembly includes an electrode sheet. The electrode sheet includes a winding ending section, the winding ending section is provided with a plurality of first tabs, the plurality of first tabs are laminated, and among the two adjacent first tabs, a width of the first tab close to a winding center of the wound electrode assembly is greater than a width of the first tab away from the winding center. Among the two adjacent first tabs, a width of the first tab close to the winding center is greater than a width of the first tab away from the winding center. After the winding ending section is wound, the amount of misalignment between the two adjacent first tabs is reduced.