The material is composed of two parts,in which polyethylene glycol(PEG)is the functional surface for energy storage and nano-crystalline cellulose(NCC)is the skeleton.

• 介绍了以纳米纤维素(NCC)为骨架材料、聚乙二醇(PEG)为相变储能功能基,采用化学接枝的方法制备一种NCC/PEG固-固相变材料。