▎ 摘　　要

NOVELTY - Preparation of oxidized graphene inorganic nano-phase change material includes dissolving the graphene oxide in distilled water, low temperature ultrasonic dispersing, dispersion forming concentration, oxidized graphene aqueous solution, and sealing; adding sodium acetate trihydrate with potassium chloride, after heating, mixing with main heat agent; adding sodium carboxymethyl cellulose, and cutting; and ultrasonically dispersing graphene oxide aqueous solution in water bath, stirring uniformly and sealing the container to obtain the product. USE - Method for preparing oxidized graphene inorganic nano-phase change material (claimed). ADVANTAGE - The method is simple, environment-friendly and easy to operate, and has uniform and stable product property, small toxic and side effect. DETAILED DESCRIPTION - Preparation of oxidized graphene inorganic nano-phase change material comprises: (A) dissolving the graphene oxide in distilled water, low temperature ultrasonic dispersing for 120-150 minutes, dispersion forming concentration is 0.006-0.02 g/ml, oxidized graphene aqueous solution, and sealing; (B) adding 80-90 pts. wt. sodium acetate trihydrate with 2-10 pts. wt. potassium chloride, after heating, mixing with main heat agent at 80 degrees C, its phase change temperature interval is 40-50 degrees C, and main phase change enthalpy is 180-190 J/g at 15 degrees C; (C) adding 1-8 pts. wt. sodium carboxymethyl cellulose in step (B), and cutting at high speed under the condition of stirring uniformly; and (D) ultrasonically dispersing 0.1-0.5 pts. wt. graphene oxide aqueous solution in water bath, stirring uniformly and sealing the container to obtain the product.