▎ 摘　　要

NOVELTY - Preparing graphene phase change heat conducting film comprises mixing graphene prepared by physical stripping method, mixing phase change material and organic solvent, preparing graphene phase change material mixed dispersion, placing the graphene phase change material mixed dispersion in the magnetic field, performing orientation treatment in the horizontal direction, removing the organic solvent, preparing the graphene phase-change material composite fluffy film, clamping graphene phase change material composite fluffy film between the mirror smooth template for vacuum pressing, preparing graphene phase change material composite film, using high energy pulse laser to dry the phase change material on the surface of the graphene phase change material composite film, and preparing graphene phase change heat conducting film. USE - The method is useful for preparing graphene phase change heat conducting film. ADVANTAGE - The film has high heat conducting coefficient and phase change enthalpy value in the horizontal direction. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene phase change heat conducting film, prepared by above method.