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Open AccessArticle

Investigation of the Thermal Properties of Diesters from Methanol, 1-Pentanol, and 1-Decanol as Sustainable Phase Change Materials

Competence Centre Thermal Energy Storage (TES), Lucerne University of Applied Sciences and Arts, 6048 Horw, Switzerland
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Materials 2020, 13(4), 810; https://doi.org/10.3390/ma13040810
Received: 5 December 2019 / Revised: 21 January 2020 / Accepted: 5 February 2020 / Published: 11 February 2020
(This article belongs to the Special Issue Phase Change Materials for Thermal Energy Storage)
Esters present several advantages when compared to traditional materials used for thermal energy storage, amongst which are better sustainability and greater chemical stability. However, at present, their thermal properties remain mostly unknown or not well documented. In this study, 12 diesters from four dicarboxylic acids (oxalic, succinic, suberic, sebacic) and three alcohols (methanol, 1-pentanol, 1-decanol) have been assessed as bio-based phase change materials for thermal energy storage. All diesters have been synthesized via Fischer esterification to high purities, and their chemical structures, as well as thermal properties, have been fully characterized. The diesters investigated show phase change transitions in a low–mid temperature range between −32 and 46 °C with maximum enthalpies of 172 J/g and show higher degrees of supercooling compared to fatty monoesters. Similarly to other esters classes, some trends correlating the chemical structures to the thermal properties were identified, which would allow for the development of property prediction tools. View Full-Text
Keywords: phase change materials; latent heat storage; thermal energy storage; sustainability; energy; esters; diesters; PCM; LHS; TES phase change materials; latent heat storage; thermal energy storage; sustainability; energy; esters; diesters; PCM; LHS; TES
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MDPI and ACS Style

Ravotti, R.; Fellmann, O.; Fischer, L.J.; Worlitschek, J.; Stamatiou, A. Investigation of the Thermal Properties of Diesters from Methanol, 1-Pentanol, and 1-Decanol as Sustainable Phase Change Materials. Materials 2020, 13, 810. https://doi.org/10.3390/ma13040810

AMA Style

Ravotti R, Fellmann O, Fischer LJ, Worlitschek J, Stamatiou A. Investigation of the Thermal Properties of Diesters from Methanol, 1-Pentanol, and 1-Decanol as Sustainable Phase Change Materials. Materials. 2020; 13(4):810. https://doi.org/10.3390/ma13040810

Chicago/Turabian Style

Ravotti, Rebecca; Fellmann, Oliver; Fischer, Ludger J.; Worlitschek, Jörg; Stamatiou, Anastasia. 2020. "Investigation of the Thermal Properties of Diesters from Methanol, 1-Pentanol, and 1-Decanol as Sustainable Phase Change Materials" Materials 13, no. 4: 810. https://doi.org/10.3390/ma13040810

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