With the development of global industry,people have attached more attention to the problem of energy resource Making the best of phase change potential is becoming hotspot in this field A new method to prepare an organic-inorganic nanocomposite material by Sol-Gel process is introduced in this paper The new kind of material is tested by DSC,STM,TEM The results show that the new nanocomposite material has favorable thermal storage capacity and can be applied to solar energy storage,industrial waste heat,...