公开(公告)号：US11605816B2

公开(公告)日：2023-03-14

申请号：US17874548

申请日：2022-07-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingbu Chen ,  Xin Sun ,  Xiao Chen ,  Zhenglun Chen ,  Haotian Xie ,  Bangrun Wang ,  Geng Li

IPC: H01M4/525 ,  H01M4/505 ,  H01M4/587 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/02

Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive-electrode active substance layer, the positive-electrode active substance layer contains a pre-lithiation agent, and a molecular formula of the pre-lithiation agent is LixNiaCu1−a−bMbO2, where 1≤x≤2, 0