A novel paraffin/expanded perlite composite phase change material for prevention of PCM leakage in cementitious composites

Article

Ramakrishnan, Sayanthan, Sanjayan, Jay, Wang, Xiaoming, Alam, Morshed and Wilson, John. 2015. "A novel paraffin/expanded perlite composite phase change material for prevention of PCM leakage in cementitious composites." Applied Energy. 157, pp. 85-94. https://doi.org/10.1016/j.apenergy.2015.08.019
Article Title

A novel paraffin/expanded perlite composite phase change material for prevention of PCM leakage in cementitious composites

ERA Journal ID4005
Article CategoryArticle
AuthorsRamakrishnan, Sayanthan, Sanjayan, Jay, Wang, Xiaoming, Alam, Morshed and Wilson, John
Journal TitleApplied Energy
Journal Citation157, pp. 85-94
Number of Pages10
Year2015
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0306-2619
1872-9118
Digital Object Identifier (DOI)https://doi.org/10.1016/j.apenergy.2015.08.019
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S0306261915009459
AbstractIn this study, a novel thermal energy storage composite was developed by impregnating paraffin into hydrophobic coated expanded perlite (EPO) granules. A paraffin/uncoated expanded perlite (EPW) phase change composite was also prepared to study and compare the stability when integrated into cementitious composites. Paraffin/EPW, containing 35% by weight of paraffin, showed significant leakage of phase change material (PCM) during integration into concrete. However, no PCM leakage was observed for novel paraffin/EPO containing 50% by weight of paraffin in the composite. Microstructural and mechanical properties were studied for the compatibility of hydrophobic coated PCM composite in concrete. The thermal behaviour of a concrete panel incorporating PCM was studied and compared with the reference panel. The results revealed that incorporation of the developed PCM composite into concrete significantly improved the thermal inertia and thermal energy storage.
KeywordsPhase change material (PCM); Thermal energy storage; Expanded perlite; Leakage; Stability
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020400505. Construction materials
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Byline AffiliationsSchool of Engineering
Centre for Future Materials
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