| 摘要 |
PROBLEM TO BE SOLVED: To provide a positive electrode material for a lithium ion secondary battery offering high discharge capacity and a high level of safety.SOLUTION: A positive electrode active material to be used is represented by the formula: LiNiMMO, where Mcontains at least one of Mo and W, Mrepresents Mn, -0.07≤x≤0.1, 0.90≤a≤0.98, 0.02≤b≤0.06, and 0.00≤c≤0.06. |
