UM
Paraffin/diatomite composite phase change material incorporated cement-based composite for thermal energy storage
Xu B.; Li Z.
2013
Source PublicationApplied Energy
ISSN03062619
Volume105Pages:229-237
AbstractIn this study, thermal energy storage cement-based composite (TESC) was developed by incorporating paraffin/diatomite (DP) composite phase change material (PCM). Paraffin/DP composite PCM was firstly fabricated at mix proportion (paraffin: DP) of 0.9:1.0. Scanning electron microscope (SEM) and Fourier transform infrared (FT-IR) results show that paraffin can be well impregnated into DP pores and has good compatibility with it. Differential scanning calorimetry (DSC) results reveal that paraffin/DP composite PCM has melting temperature and latent heat of 41.11. °C and 70.51. J/g, respectively. Good thermal stability is observed for this fabricated composite PCM by using thermogravimetric analysis (TGA) method. Furthermore, paraffin/DP composite PCM was incorporated in cement-based composite at 10%, 15%, 20% and 30%, by weight of cement. It is found that in comparison with control normal cement-based composite, maximum reductions on 28-day compressive strength and flexural strength, drying shrinkage strain and thermal conductivity by incorporation of paraffin/DP composite PCM are 48.7%, 47.5%, 80.7% and 33.6%, respectively. Good thermal energy storage performance of TESC is clearly suggested by results of specific heat capacity test and heating test. © 2013 Elsevier Ltd.
KeywordCement-based composite Diatomite Paraffin Phase change material (PCM) Thermal energy storage
DOI10.1016/j.apenergy.2013.01.005
URLView the original
Language英語
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Cited Times [WOS]:206   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationHong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Xu B.,Li Z.. Paraffin/diatomite composite phase change material incorporated cement-based composite for thermal energy storage[J]. Applied Energy,2013,105:229-237.
APA Xu B.,&Li Z..(2013).Paraffin/diatomite composite phase change material incorporated cement-based composite for thermal energy storage.Applied Energy,105,229-237.
MLA Xu B.,et al."Paraffin/diatomite composite phase change material incorporated cement-based composite for thermal energy storage".Applied Energy 105(2013):229-237.
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