| 摘要 |
A cathode active material for lithium-ion battery is provided, which provides good battery characteristics such as cycle characteristics. The cathode active material for lithium-ion battery is expressed by the composition formula: LixNi1-yMyOα, wherein M is one or more selected from Ti, Cr, Mn, Fe, Co, Cu, Al, Sn, Mg and Zr; 0.9≦̸x≦̸1.2; 0<y≦̸0.5; and 2.0≦̸α≦̸2.2, wherein the crystallite size obtained by analyzing the XRD pattern is 870 Å or more and the unit lattice volume is 101.70 Å3 or less. |
