Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/80403
Title: Non-eutectic phase change materials for cold thermal energy storage
Authors: Sze, Jia Yin
Mu, Chenzhong
Romagnoli, Alessandro
Li, Yongliang
Keywords: Phase Change Materials
Cold Thermal Energy Storage
DRNTU::Engineering::Mechanical engineering
Issue Date: 2017
Source: Sze, J. Y., Mu, C., Romagnoli, A., & Li, Y. (2017). Non-eutectic phase change materials for cold thermal energy storage. Energy Procedia, 143, 656-661. doi:10.1016/j.egypro.2017.12.742
Series/Report no.: Energy Procedia
Abstract: Phase change materials provide high-density thermal energy storage and a wide range of temperatures are required to meet different storage applications for cascaded thermal storage systems. Thus, non-eutectic phase change materials, namely aqueous ethylene glycol and ethanol solutions, are investigated in this paper for potential applications in high-grade cold thermal energy storage applications. The aqueous solutions of varying concentrations are characterized by differential scanning calorimetry and thermal response measurements for bulk PCMs. The phase change materials are able to meet a wide range of storage temperatures with no issue of phase separation. Graphene oxide powder of 1 wt.% is added as a stable nano-filler to enhance thermal conductivity and reduce supercooling degrees. Through thermal response measurements, improvements of charging times in the phase change of aqueous ethylene glycol and ethanol solutions are observed.
URI: https://hdl.handle.net/10356/80403
http://hdl.handle.net/10220/46513
ISSN: 1876-6102
DOI: 10.1016/j.egypro.2017.12.742
Schools: School of Mechanical and Aerospace Engineering 
Research Centres: Energy Research Institute @ NTU (ERI@N) 
Rights: © 2017 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles

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