▎ 摘　　要

NOVELTY - Composite heat management material comprises graphene/porous ceramic heat and electric conductive material filled with phase-change energy-storage material. The graphene/porous ceramic heat and electric conductive material comprises a porous ceramic substrate deposited with graphene. USE - The composite heat management material is useful in photovoltaic cell, conductive material, and radiator components and energy storage materials (claimed). ADVANTAGE - The composite heat management material solves the problem of low heat exchange performance of the existing material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the composite heat management material comprising directly growing graphene on the porous ceramic substrate by chemical vapor deposition method to form the graphene/porous ceramic heat and electric conductive material, and filling the graphene/porous ceramic heat and electric conductive material with the phase-change energy-storage material to obtain the composite heat management material.