公开(公告)号：US20220399579A1

公开(公告)日：2022-12-15

申请号：US17884538

申请日：2022-08-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huang TANG ,  Ming ZHANG ,  Hao DONG ,  Qifan WU ,  De LIN

IPC: H01M10/42 ,  H01M4/62 ,  C08F220/56

Abstract: A secondary battery includes a positive electrode sheet which includes a positive-electrode current collector, a positive-electrode active material layer, and a coating layer arranged between the positive-electrode current collector and the positive-electrode active material layer. The coating layer includes a conductive agent and a copolymer.