CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a cathode active material exhibiting a larger discharge capacity and a secondary battery including the same.SOLUTION: There is provided a zirconium-containing olivine-type silicate compound represented by formula (1): LiFeNiCoMnZrSiO(wherein (a), b, c, and d satisfy a+b+c+d=1-2X, and x is a number satisfying 0