LITHIUM TRANSITION METAL SYSTEM COMPOUND POWDER, METHOD OF MANUFACTURING THE SAME, AND SPRAY-DRIED MATERIAL TO BECOME ITS CALCINATION PRECURSOR, AND POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY USING THE SAME, AND LITHIUM SECONDARY CELL

摘要

PROBLEM TO BE SOLVED: To provide a lithium transition metal system compound powder for a lithium secondary battery positive electrode material capable of making its cost lower, capacity higher, output higher, life longer and safety higher.

SOLUTION: The lithium transition metal system compound powder for a lithium secondary battery positive electrode material contains one or more elements selected from Mo, W, Nb and Re of 0.1 to 5 mol% to a total mol volume of Mn, Ni and Co in a formula (I) [L]3a[M]3b[O2]6c, wherein L=Li, M=Ni, Mn and Co, or Li, Ni, Mn and Co. 0.4≤Ni/(Mn+Ni+Co) mol ratio <0.7, 0.1COPYRIGHT: (C)2010,JPO&INPIT