CATHODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a cathode active material capable of achieving a lithium-ion secondary battery excellent in thermal stability.SOLUTION: The cathode active material for a lithium-ion secondary battery is obtained by depositing a conductive cobalt oxide on the surface of a nucleus comprising a lithium metal composite oxide.