▎ 摘　　要

NOVELTY - Preparation of graphene-metal oxide composite material involves oxidizing graphite oxide, obtaining solid product, rinsing solid product with deionized water, then drying, obtaining volume expansion of solid oxide graphene, dissolving obtained solid oxide graphene to form graphene oxide solution, dissolving graphene oxide solution with deionized water, obtaining graphene oxide mixture, mixing obtained graphene oxide mixture with metal salt solution, obtaining mixed solution, and ultrasonically mixing solution. USE - Preparation of graphene-metal oxide composite material (claimed). ADVANTAGE - The graphene-metal oxide composite material is efficiently prepared, by a simple process.