| abstract |
Disclosed is a cathode active material for secondary batteries, comprising at least one compound selected from the following Formula 1: xLi 2 MO 3 *yLiM′O 2 *zLi 3 PO 4 (1) wherein M is at least one element selected from 1 period or 2 period metals having an oxidation number of +4; M′ is at least one element selected from 1 period or 2 period metals having a mean oxidation number of +3; and 0.1≦x≦0.9, 0.1≦y≦0.9, 0<z≦0.2 and x+y+z=1. |