▎ 摘　　要

NOVELTY - Preparing composite material modified ternary anode material, comprises preparing a first material by solid phase sintering, adding a second material into deionized water to obtain a first mixed solution, adding the first material into the first mixed solution to obtain a second mixed solution, performing first material modification operation of the second mixed solution to obtain composite material, adding the composite material and a silane-containing coupling agent into an organic solvent to obtain a third mixed solution, adding ternary anode material into the third mixed solution to obtain target mixed solution, and performing second material modification operation of the target mixed solution to obtain final product; where the first material is lithium-zirconium-based material (I), the second material is carbonaceous material, and the composite material is wrapping the first material with the second material. USE - The modified ternary anode material is useful in lithium battery (claimed). ADVANTAGE - The method: reduces the pressure drop of the ternary anode material at high temperature; and improves the working efficiency of the ternary anode material at high temperature environment. DETAILED DESCRIPTION - Preparing composite material modified ternary anode material, comprises preparing a first material by solid phase sintering, adding a second material into deionized water to obtain a first mixed solution, adding the first material into the first mixed solution to obtain a second mixed solution, performing first material modification operation of the second mixed solution to obtain composite material, adding the composite material and a silane-containing coupling agent into an organic solvent to obtain a third mixed solution, adding ternary anode material into the third mixed solution to obtain target mixed solution, and performing second material modification operation of the target mixed solution to obtain final product; where the first material is lithium-zirconium-based material of formula (Li2x-4ZrOx) (I), the second material is carbonaceous material, and the composite material is wrapping the first material with the second material. x = 2-6. An INDEPENDENT CLAIM is also included for composite material modified ternary anode material prepared by above method.