| abstract |
A lithium manganese phosphate-based positive electrode active material having an olivine structure of Formula 1, a positive electrode including the same, and a lithium battery employing the positive electrode are disclosed.n n n [Formula 1]n n n Li x Mn 1-yz M ' y M " z PO 4 n n n In the above formulan n n 0.6 <x <1.0, 0 <y <0.2, 0 <z <0.1,n n n M 'is at least one metal selected from Mg, Fe, Co, Ni, Ca, Cu and Zn,n n n M ″ is at least one metal of Zr and Mo. |