公开(公告)号：US11646455B2

公开(公告)日：2023-05-09

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: C08F220/56 ,  H01M10/42 ,  H01M4/62 ,  H01M4/02

CPC classification number: H01M10/4235 ,  C08F220/56 ,  H01M4/622 ,  H01M4/625 ,  H01M2004/021 ,  H01M2004/028

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.