▎ 摘　　要

NOVELTY - Preparation of flexible transparent high electric conduction graphene film, involves (a) subjecting low temperature expandable graphite to liquid phase high speed cutting emulsification and centrifugal separation to obtain supersaturated solution, preferably graphene solution, (b) performing an electrophoretic deposition to prepare graphene film on anode surface by the graphene solution, (c) immersing the graphene film containing cellulose acetate in acetone and dissolving to obtain flexible graphene film, and (d) subjecting to heat treatment. USE - The method is useful for preparing flexible transparent high electric conduction graphene film used in electronic information material field. Can also be used in the fields of transparent conducting electrode, anti-static anti-electromagnetic radiation film, supercapacitor, and catalyst carrier. ADVANTAGE - The method is simple, inexpensive and controllable, and causes no pollution. DETAILED DESCRIPTION - Preparation of flexible transparent high electric conduction graphene film, involves (a) using low temperature expandable graphite as a raw material, and subjecting to liquid phase high speed cutting emulsification and centrifugal separation to obtain supersaturated solution, preferably graphene solution, (b) using stainless steel sheet as cathode, and stainless steel sheet coated with cellulose acetate as anode, and performing an electrophoretic deposition to prepare graphene film on the anode surface by the graphene solution, (c) immersing the graphene film containing cellulose acetate in acetone, and dissolving the cellulose acetate to obtain flexible graphene film, and (d) subjecting the flexible graphene film to heat treatment under an ammonia/nitrogen mixed atmosphere to prepare flexible transparent high electric conduction graphene film.