Sarı and Biçer [5] presented that fatty acid esters can be greatly absorbed by diatomite, and the fabricated composite PCM not only had high latent heat of 96.21 J/g, but also good thermal stability.
Investigation results presented by Li et al. [6] also demonstrated that diatomite was an ideal supporting matrix for PCM. Besides the above-mentioned organic PCMs, paraffin is another popularly used PCM owing to its unique characteristics, such as non-toxicity, high latent heat, chemical inertness, no phase segregation and commercial availability
[7,8].