▎ 摘　　要

NOVELTY - The preparation of ductile multifunctional graphene film, involves preparing graphene oxide by chemical oxidation process, formulating graphene oxide into aqueous solution with concentration of 1-5 mg/ml to prepare graphene oxide precursor solution, preparing graphene film using high-temperature annular air molding equipment, high-temperature annular air flow shaping of graphene oxide precursor solution on film collecting device to form graphene film, and reducing graphene oxide to graphene at annular gas flow generator. USE - Preparation of ductile multifunctional graphene film (claimed). ADVANTAGE - The method enables preparation of ductile multifunctional graphene film with low energy consumption by efficient and easy process, and effectively controls the performance of the film by adjusting process parameters.