公开(公告)号：US20230361272A1

公开(公告)日：2023-11-09

申请号：US18354610

申请日：2023-07-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lingyun FENG ,  Huihui LIU ,  Yanhuang FAN ,  Wei FENG

IPC: H01M4/136 ,  H01M4/58 ,  H01M4/36 ,  H01M4/62

CPC classification number: H01M4/136 ,  H01M4/5825 ,  H01M4/366 ,  H01M4/622 ,  H01M4/625 ,  H01M2004/021

Abstract: A positive electrode plate includes a positive electrode current collector, a positive electrode film layer provided on at least one surface of the positive electrode current collector, and a conductive undercoat layer between the positive electrode current collector and the positive electrode film layer. The positive electrode film layer includes a positive electrode active material having a chemical formula of LiaAxMn1-yByP1-zCzO4-nDn, and the conductive primer layer includes a first polymer, a first water-based binder and a first conductive agent.