公开(公告)号：US20230352680A1

公开(公告)日：2023-11-02

申请号：US18332727

申请日：2023-06-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhenhua Li ,  Xiayi Wu ,  Jiawei Xu ,  Ziyu Yang ,  Hanli Fu ,  Shuoyan Xu ,  Xing Li ,  Shaojun Niu

IPC: H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/04

CPC classification number: H01M4/525 ,  H01M4/625 ,  H01M10/0525 ,  H01M4/0404 ,  H01M2004/028

Abstract: A positive electrode composite material for a lithium ion secondary battery, and a positive electrode using the positive electrode composite material for a lithium ion secondary battery, a lithium ion secondary battery and a power consuming device are provided. The positive electrode composite material for a lithium ion secondary battery comprises a positive electrode active material and an alkali metal oxide as shown by formula AmGOn, wherein A represents at least one element selected from Na and K and optionally Li, G represents at least one element selected from Fe, Ni, Co, Mn, Ru, Ir, Sn, Cr, Nb, Mo, V and Ti, m is 1-6, and n is 1-4.