Abstract:

This paper deals with the preparation of polyethylene glycol (PEG)/silicon dioxide (SiO₂₎ composites as shapestable, solidliquid phase change material (PCM) for thermal energy storage and determination of their thermal propertiesThe result showed that it was successful to keep the same shape in the solid state by making PEG adsorbed on microporous SiO₂ network even when the temperature of the PCM was over the melting pointThe PCM also had favorable heat capacity and high thermal conductivity, which could be used in solar energy and some other applications.