abstract |
Provided is a cathode active material including a lithium metal oxide of Formula 1 below: n Li[Li x Me y M z ]O 2+d āā<Formula 1> n wherein x+y+z=1; 0<x<0.33; 0<z<0.1; 0ā¦dā¦0.1; Me is at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B; and M is at least one metal selected from the group consisting of Mo, W, Ir, Ni, and Mg. |