▎ 摘　　要

NOVELTY - A graphene/paraffin wax composite phase change material with stored energy comprises 0.1-10 wt.% graphene, 88-99.9 wt.% paraffin wax, and 0-2 wt.% phase change auxiliary coupling agent. USE - A graphene/paraffin wax composite phase change material with stored energy (claimed). ADVANTAGE - Preparation process is simple and has low production cost, and product has improved thermal conductivity, good heat transfer performance, high heat storage utilization rate, and good stability.