▎ 摘　　要

NOVELTY - Method for graphite flake in-situ growth of graphene composite carbon material involves (i) removing impurities on the surface of a graphite flake, (ii) heating the graphite flake at a set temperature in an environment atmosphere of argon gas and hydrogen gas at the same time and maintaining temperature for a period of time to further reduce and remove impurities on the surface of the graphite flake and (iii) introducing a methane gas to provide a carbon source required for the growth of graphene and growing graphene to obtain the carbon material. USE - The method is useful for graphite flake in-situ growth of graphene composite carbon material. ADVANTAGE - The method adopts simple process, can grow a large amount of graphene on the surface of the graphite flake without using a catalyst, can control growth morphology of graphene, requires only to change the flow rate and the growth time of various gases and is convenient to regulate and control.