Cathode active material for non-aqueous electrolyte secondary cell and process for producing the same

摘要

A cathode active material for a non-aqueous electrolyte secondary cell of the present invention, having a c-axis length of lattice constant of 14.080 to 14.160 ANGSTROM , an average particle size of 0.1 to 5.0 mu m, and a composition represented by the formula: LiCo(1-x-y)MnxMgyO2 wherein x is a number of 0.008 to 0.18; and y is a number of 0 to 0.18.