▎ 摘　　要

NOVELTY - Graphene-coated aromatic organic oxygen salt material comprises aromatic organic oxygen salt potassium terephthalate block material with bulk size of 1-10 mu m where surface of potassium terephthalate block is uniformly coated with graphene and the graphene content is 5.0-10.0 wt.% based on potassium terephthalate block. USE - Graphene-coated aromatic organic oxygen salt material used as anode active material for potassium ion batteries (claimed). ADVANTAGE - The product has higher discharge specific capacity and good cyclical stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene-coated aromatic organic oxygen salt material comprising dissolving potassium terephthalate in deionized water, adding graphene solution, stirring, mixing and freeze-drying the solution.