▎ 摘　　要

NOVELTY - Preparation of modified super absorbent resin (SAP) high-efficiency phase change energy storage material involves (s1) adding high molecular water-absorbent resin, 0.8-1.6 pts. wt. nano-graphene oxide, 0.36-0.9 pt. wt. azobisisobutylamidine hydrochloride and 4-9 pts. wt. N-methylacrylamide to stirring container, stirring to form a SAP matrix material, (s2) placing SAP matrix material in a reaction kettle, pouring 2-6 pts. wt. distilled water, heating and stirring, leaving still to obtain wall material of modified SAP energy storage material, (s3) drying the wall material of modified SAP energy storage material and (s4) loading the wall material of dry modified SAP energy storage material with a composite hydrated inorganic salt material. USE - Preparation of modified SAP high-efficiency phase change energy storage material (claimed). ADVANTAGE - The preparation method effectively improves stability and loading capacity of the phase change energy storage material. The high-efficiency phase change energy storage material effectively solves the problem of easy leakage of inorganic molten salt during the energy storage phase change process.