▎ 摘 要
NOVELTY - Modified nickel-cobalt-lithium manganese oxide cathode material comprises nickel-cobalt-lithium manganese oxide material (I), lithium manganese phosphate on surface of nickel-cobalt-lithium manganese oxide material, and graphene on a surface of lithium manganese phosphate. USE - Modified nickel-cobalt-lithium manganese oxide cathode material (claimed). ADVANTAGE - The modified nickel-cobalt-lithium manganese oxide cathode material has improved cut-off voltage, interface stability, electrical conductivity and polarization effect. DETAILED DESCRIPTION - Modified nickel-cobalt-lithium manganese oxide cathode material comprises nickel-cobalt-lithium manganese oxide material of formula: LiNi1-x-yCoxMnyO2 (I), lithium manganese phosphate on surface of nickel-cobalt-lithium manganese oxide material, and graphene on a surface of lithium manganese phosphate. x=greater than 0; y=greater than 0;and 1-x-y=0-1. An INDEPENDENT CLAIM is included for preparation of modified nickel-cobalt-lithium manganese oxide cathode material.