Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 100: Issue 2
Theoretical prediction and experimental determination of room-temperature phase change materials using hydrated salts as agents
Authors:
Bihai Li Central South University College of Chemistry and Chemical Engineering Changsha 410083 People’s Republic of China

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Dewen Zeng Central South University College of Chemistry and Chemical Engineering Changsha 410083 People’s Republic of China

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Xia Yin Central South University College of Chemistry and Chemical Engineering Changsha 410083 People’s Republic of China

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Qiyuan Chen Central South University College of Chemistry and Chemical Engineering Changsha 410083 People’s Republic of China

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Pages:
685–693
Online Publication Date:
09 Jul 2009
Publication Date:
01 May 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-009-0206-1
Keywords:
BET model; Phase change material; Hydrated salt; Phase diagram
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Abstract  

A BET thermodynamic model and its recently modified version were applied to predict the phase diagrams of the systems NH4NO3–LiNO3–H2O and NaNO3–LiNO3–Mg(NO3)2–H2O, in which two eutectic points were found with melting point at temperatures between 15 °C and 25 °C. Simple experiments were designed to measure the exothermal and endothermal behavior of the predicted phase change materials. The experimental results showed that the theoretically predicted materials possess excellent exothermal and endothermal behavior at room temperatures. Besides, the fusion and solidification heats of the predicted phase change materials were measured.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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