▎ 摘　　要

NOVELTY - Preparing graphene-mesoporous carbon composite phase changeable material, comprises e.g. firstly on the oxidized graphene in situ synthesizing the metal organic framework, calcining product at high temperature under nitrogen atmosphere, preparing a mesoporous carbon carrier for graphene, by constructing the multi-level structure, reducing the interface thermal resistance between porous particles of graphene and its outside covered, improving dispersibility of graphene. USE - The method is useful for preparing graphene-mesoporous carbon composite phase changeable material (claimed). ADVANTAGE - The changeable material: has high thermal conductivity core selection diversity, improves the heat transfer capability of the composite phase change material, has excellent heat transfer performance of composite phase changeable material; good circulation stability and chemical corrosion resistance. DETAILED DESCRIPTION - Preparing graphene-mesoporous carbon composite phase changeable material, comprises (i) firstly on the oxidized graphene in situ synthesizing the metal organic framework, calcining product at high temperature under nitrogen atmosphere, preparing a mesoporous carbon carrier for graphene, by constructing the multi-level structure, reducing the interface thermal resistance between porous particles of graphene and its outside covered, improving dispersibility of graphene in the composite, under the premise of ensuring the high load quantity improves the thermal conductivity of the composite phase changeable material, (ii) dipping the phase changeable core of different types, selecting proper soluble of the solvent, the phase change core material solution is prepared, the prepared graphene mesoporous carbon carrier material and dispersing in the prepared soluble phase changeable core solution, using the action of capillary forces and surface tension, the phase change core absorption limit in the pore canal of the mesoporous material and is changeable under the condition of the temperature and drying to obtain the graphene mesoporous carbon composite phase changeable material above the core material.