▎ 摘　　要

NOVELTY - A heat conducting-enhanced phase change energy storage wood based on photothermal response is prepared by carboxylation treating graphene oxide, ultrasonically mixing with aminated multi-arm polyethylene glycol, reacting by amide, mixing polyethylene glycol grafted graphene and polyethylene glycol to prepare change energy storage material, pre-processing wood by low concentration sodium hydroxide and sodium sulfite solution, taking maleic anhydride as esterifying agent and acetone as solvent to prepare solution, dipping pre-treated material, constructing reaction type wood storage framework, based on this, immersing graphene/polyethylene glycol phase change energy storage suspension in wood by vacuum pressure full cell method, observing graphene/polyethylene glycol phase change energy storage material in cell cavity, chemical bond crosslinking between cell cavity and extra-wall tissue, and regulating multidimensional interpenetrating network structure. USE - The method is used for heat conducting-enhanced phase change energy storage wood based on photothermal response preparation. ADVANTAGE - The method ensures stability of phase change system. DETAILED DESCRIPTION - A heat conducting-enhanced phase change energy storage wood based on photothermal response is prepared by carboxylation treating graphene oxide to obtain carboxylated graphene oxide, ultrasonically mixing with aminated multi-arm polyethylene glycol, reacting to realize conjugated graft of graphene oxide and polyethylene glycol by amide, mixing polyethylene glycol grafted graphene and polyethylene glycol to prepare change energy storage material, pre-processing wood by low concentration sodium hydroxide and sodium sulfite solution, taking maleic anhydride as esterifying agent and acetone as solvent to prepare solution, dipping pre-treated material, increasing porosity of cell wall, constructing reaction type wood storage framework, based on this, immersing graphene/polyethylene glycol phase change energy storage suspension in wood by vacuum pressure full cell method, observing graphene/polyethylene glycol phase change energy storage material in cell cavity, chemical bond crosslinking between cell cavity and extra-wall tissue, and regulating multidimensional interpenetrating network structure.