US20090224212A1
University of Texas System
The present invention includes compositions, surface and bulk modifications, and methods of making of (1−x)Li[Li 1/3 Mn 2/3 ]O 2 .xLi[Mn 0.5-y Ni 0.5-y Co 2y ]O 2 cathode materials having an O3 crystal structure with a x value between 0 and 1 and y value between 0 and 0.5, reducing the irreversible capacity …