▎ 摘 要
NOVELTY - Preparation of graphene conducting film comprises dispersing graphene oxide, filtering or coating in solvent to obtain oxidized graphene film, and heating at high temperature to obtain graphene film. USE - Method of preparation of graphene conducting film used in intelligent mobile phone, liquid crystal television, liquid crystal display, notebook, LED and high heat requirement device (claimed). ADVANTAGE - The method is simple and easy to control, and has higher thermal conductivity.