POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF MANUFACTURING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

摘要

The present invention relates to a cathode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same. Provided is a cathode active material for a lithium secondary battery, wherein, the material is represented by chemical formula 1 and an average oxidation state of Mn ranges from 3.6 to 4.0. [Chemical formula] Li1+xMyMn2-x-yO4 (In Formula 1, 0