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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.
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公开(公告)号:US20240194873A1
公开(公告)日:2024-06-13
申请号:US18426344
申请日:2024-01-30
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor: Zhenhua Li , Jiawei Xu , Hanli Fu , Xiayi Wu , Xing Li , Shaojun Niu , Haizu Jin
IPC: H01M4/58 , H01M4/02 , H01M4/04 , H01M10/0568
CPC classification number: H01M4/5825 , H01M4/0416 , H01M4/0471 , H01M10/0568 , H01M2004/028 , H01M2220/20
Abstract: The present application relates to a secondary battery, comprising (1) a positive electrode plate; and (2) an electrolyte solution; wherein a positive electrode active material is an active material having a chemical formula of AxB1-xMeO2 or AxB1-xMPO4 with dications A and B, where Me, M, A, B, and x are as defined in the specification; and the electrolyte solution comprises an electrolyte salt of the dications A and B, where A and B are as defined in the positive electrode active material; as well as a method for preparing a corresponding positive electrode active material, a corresponding battery module, a battery pack, and an electrical apparatus. The secondary battery of the present application comprises a positive electrode active material comprising the dications A and B and an electrolyte solution of a salt of the same dications.
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