▎ 摘　　要

NOVELTY - Graphene alloy composite phase change material comprises thermal conductive metal M, haloalkane, graphene G and phase change matrix material S. USE - Graphene alloy composite phase change material is used as a phase change heat storage material, preferably, graphene alloy composite phase change material is used to prepare energy-saving building materials, medical temperature control equipment, infrared camouflage equipment, water heaters, aerospace equipment, clothing (Claimed). ADVANTAGE - Organic metal modified graphene greatly improves the anisotropic heat conductivity of the graphene, and further improves the heat conductivity of the composite phase-change material. DETAILED DESCRIPTION - Graphene alloy composite phase change material comprises thermal conductive metal M, haloalkane R-X, graphene G and phase change matrix material S. An INDEPENDENT CLAIM is included for method for preparing graphene alloy composite phase change material or the method for preparing graphene alloy composite phase change material, which involves: i. dispersing graphene oxide in a solvent to obtain a dispersion liquid, adding thermal conductive metal M and haloalkane R-X to the dispersion liquid, heating and reacting to obtain modified graphene oxide; ii. adding a reducing agent to the modified graphene oxide, and performing a reduction reaction to obtain an organometallic modified graphene GRM; and iii. heating step 2) obtaining the organic metal modified graphene GRM into a liquid state, heating the phase change matrix material S into a liquid state, then mixing the liquid organometallic modified graphene GRM and the liquid phase change matrix material S, and curing. DESCRIPTION OF DRAWING(S) - The drawing shows a process flow diagram of the graphene alloy composite phase change material. (Drawing includes non-English language text).