POSITIVE ACTIVE MATERIAL, POSITIVE ELECTRODE AND LITHIUM BATTERY COMPRISING THE SAME, AND METHOD FOR PREPARATION OF THE POSITIVE ACTIVE MATERIAL

摘要

Disclosed are a positive electrode active material, a positive electrode and a lithium battery including the same, and a preparation method of the positive electrode active material. The positive electrode active material comprises lithium metal oxide which has two domains combined, wherein a portion of lithium or a transition metal included in one of the two domains is doped with a different element.