CATHODE MATERIALS FOR USE IN LITHIUM CELLS AND BATTERIES

A composite electrode active material is described herein, which comprises two or more electrode active materials blended or structurally-integrated together, in one of the materials is a lithiated spinel selected from the group consisting of (a) a lithiated spinel of formula LiMnNiMO; wherein M comprises at least one metal cation other than manganese and nickel cations; x+y+z=1; 0