Abstract
Due to the increasing demand for renewable energy and the unreliability of renewable energy sources, energy storage systems are attracting increasing attention. One such system works by saving energy in phase-change material (PCM). PCMs are suitable media for energy storage due to their high energy density. However, the thermophysical properties of PCMs are not ideal, limiting their applications. In this chapter, we focus on nano-enhanced phase-change materials (nano-PCMs), which is one of the recent techniques that have been used to improve the energy storage ability of PCMs. Adding nanoparticles into the PCM leads to better thermal properties as compared to PCMs alone due to the higher thermal conductivity of the nanoparticles. Furthermore, the interfacial layer formed in the nano-PCM could be one of the reasons behind the improved thermal properties.
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