POWDERED LITHIUM TRANSITION METAL OXIDE HAVING DOPED INTERFACE LAYER AND OUTER LAYER AND METHOD FOR PREPARATION OF THE SAME

摘要

The present invention provides a powdered lithium transition metal oxide useful as a major component for cathode active material of rechargeable lithium batteries, comprising a lithium transition metal oxide particle, a doped interface layer formed near the surface of the particle, and a thermodynamically and mechanically stable outer layer, and a method of preparing the same.