METHOD OF PRODUCING MODIFIED LITHIUM NICKEL MANGANESE COBALT COMPOSITE OXIDE PARTICLES

WIPO Patent Application WO/2022/097653

A1

Provided are modified LiNiMnCo composite oxide particles capable of enhancing cycle characteristics when used as a positive electrode active material of a lithium secondary battery.　A method of producing modified LiNiMnCo composite oxide particles, said method comprising a modification step for bringing LiNiMnCo composite oxide particles represented by general formula (1): LixNiyMnzCotMpO1+x [wherein: x satisfies 0.98≤x≤1.20; y satisfies 0.30≤y<1.00; z satisfies 0