METHOD OF PRODUCING CATHODE ACTIVE MATERIAL, AND METHOD OF PRODUCING LITHIUM ION BATTERY

A lithium ion battery containing a cathode active material layer containing a cathode active; an anode active material layer containing an anode active material; and an electrolyte layer containing an electrolyte, the electrolyte layer arranged between the cathode active material layer and the anode active material layer. The cathode active material has the composition represented by LiNaMnNiCoMOwhere 0