| 摘要 |
PROBLEM TO BE SOLVED: To provide a cathode active material for a lithium-ion battery, which has excellent battery characteristics.SOLUTION: The cathode active material for a lithium-ion battery is represented by compositional formula: LiNiMO(In the formula, M is one or more elements selected from Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Zn, Ga, Ge, Al, Bi, Sn, Mg, Ca, B, and Zr, and 0.9≤x≤1.2, 0<y≤0.7, and α>0.1 are satisfied.) and has a water content of 1100 ppm or less as measured by Karl Fischer titration at 300°C. |
