▎ 摘　　要

NOVELTY - Gradient ternary anode material co-coated with vanadium pentoxide and rGO comprises spherical core-shell structure particle formed by two layers of vanadium pentoxide and reduced graphene oxide (rGO) coated with lithium nickel cobalt manganate, where the mass ratio of the lithium nickel cobalt manganate to vanadium pentoxide and rGO is 1:0.01-0.05:0.01-0.05, and the lithium nickel cobalt manganese oxide is having a chemical formula (I). USE - Used as gradient ternary anode material co-coated with vanadium pentoxide and rGO. ADVANTAGE - The anode material has high lithium ion and electronic conductivity and good electrochemical performance. The method is simple and controllable; has a short process and low cost; and is suitable for industrialized production. DETAILED DESCRIPTION - Gradient ternary anode material co-coated with vanadium pentoxide and rGO comprises spherical core-shell structure particle formed by two layers of vanadium pentoxide and rGO coated with lithium nickel cobalt manganate, where the mass ratio of the lithium nickel cobalt manganate to vanadium pentoxide and rGO is 1:0.01-0.05:0.01-0.05, and the lithium nickel cobalt manganese oxide is having a chemical formula LiNixCoyMn(1-x-y)O2 (I), x = 0.70-0.90; y = 0.05-0.2; and 1-x-6092 = greater than 0 . An INDEPENDENT CLAIM is also included for preparing a gradient ternary anode material co-coated with vanadium pentoxide and rGO comprising (1) pumping the low nickel content nickel cobalt manganese solution into a container with high nickel content nickel cobalt or nickel cobalt manganese solution, stirring to form a mixed solution, pumping the mixed solution into a reactor containing an aqueous ammonia solution, adjusting the ammonia concentration of the reaction system with aqueous ammonia, adjusting the pH value of the reaction system with the hydroxide precipitant solution, passing into the protective atmosphere, heating, stirring, performing co-precipitation reaction, stirring, aging, filtering, washing, and drying to obtain a full gradient nickel cobalt manganese hydroxide precursor, (2) mixing and grinding the full gradient nickel cobalt manganese hydroxide precursor obtained in step (1) with a lithium source, performing two-stage sintering in an oxidizing atmosphere, cooling to room temperature to obtain a full-gradient lithium nickel cobalt manganese oxide material, (3) adding the full gradient nickel cobalt manganese lithium material and the vanadium source into the organic solution, ultrasonically dispersing, heating, stirring to evaporate, sintering, and cooling to room temperature to obtain vanadium pentoxide coated full gradient nickel lithium cobalt manganese oxide material, and (4) rotating the vanadium pentoxide coated full gradient lithium nickel cobalt manganate material, stirring with rGO, and drying to obtain a gradient ternary anode material co-coated with vanadium pentoxide and rGO.