▎ 摘　　要

NOVELTY - A high heat-conducting thin layer graphene composite material comprises base component and filler component. The base and filler components comprise graphene thin layer, polymer, and/or polymer monomer and high heat-conducting material. USE - High heat-conducting thin layer graphene composite material used for preparing heat-conducting material or heat-conducting device (claimed), and efficient heat conduction and radiation. ADVANTAGE - The composite material has excellent heat conducting property, and mechanical and electrical properties. The method is easy to perform and control, and has low cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of composite material comprising melt-processing base component and filler component, ball milling, solution blending, electrostatically spinning, solution spinning, melt-spinning, extruding using twin-screw extruder, and mixing using open mill or powder metallurgy.