▎ 摘　　要

NOVELTY - The method for preparing ternary material coated with graphene comprises dissolving graphene oxide and a sintered product in a solvent, and calcining the obtained mixed solution to obtain a graphene-coated terephthalate. USE - Preparation method of graphene-coated ternary material coated by graphene used for lithium ion battery used in electric automobile and large capacity for large energy storage. ADVANTAGE - The method enables to preparation of graphene-coated ternary material, which has high rate performance, high-temperature circulation, and high-temperature storage, and improves the multiplying power performance DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) a ternary material coated by graphene; and (2) a lithium ion battery.