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POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY 发明申请

2023-11-07 1370 410K 0

专利信息

申请日期 2025-07-11 申请号 JP2016069264
公开(公告)号 JP2017183106A 公开(公告)日 2017-10-05
公开国别 JP 申请人省市代码 全国
申请人 SUMITOMO OSAKA CEMENT CO LTD
简介 PROBLEM TO BE SOLVED : To provide a positive electrode material for a lithium ion secondary battery, which makes possible to achieve a lithium ion secondary battery superior in long-term cycle characteristics when used as a positive electrode for a lithium ion secondary battery. SOLUTION : A positive electrode material for a lithium ion secondary battery comprises : positive electrode active material particles, each having a core particle made of LixAyMzPO4 (0≤x≤1.1, 0.8≤y≤1.1, 0≤z≤0.2, where "A" represents at least one element selected from a group consisting of Fe, Mn, Co and Ni, and "M" is at least one element selected from a group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge and rare earth elements), and a carbonaceous coating covering the surface of the core particle; and inorganic phosphate particles. SELECTED DRAWING : None COPYRIGHT : (C)2018, JPO&INPIT


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