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Development of microencapsulated phase change material for solar thermal energy storage

Su, Weiguang; Darkwa, Jo; Kokogiannakis, Georgios

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Authors

Weiguang Su

JO DARKWA Jo.Darkwa@nottingham.ac.uk
Professor of Energy Storage Technologies

Georgios Kokogiannakis



Abstract

In this paper a novel microencapsulated phase change material (MF-3) has been developed and tested for solar assisted hot water storage systems. Even though the morphology of the sample was affected by the type of emulsifier used for fabrication it recorded the highest energy storage capacity of 126 kJ/kg with encapsulation efficiency of 97.4% as compared with other developed samples. For the purpose of assessing its thermal effectiveness it was theoretically evaluated in a compacted fixed bed TES unit and found to be capable of achieving a higher energy storage density as well as relatively smaller physical storage size than water based system. Despite the overall effective thermal conductivity being slightly less than water, its value was still about twice as high as most current PCM storage units. Experimental evaluation is therefore strongly encouraged.

Citation

Su, W., Darkwa, J., & Kokogiannakis, G. (2017). Development of microencapsulated phase change material for solar thermal energy storage. Applied Thermal Engineering, 112, https://doi.org/10.1016/j.applthermaleng.2016.11.009

Journal Article Type Article
Acceptance Date Nov 1, 2016
Online Publication Date Nov 2, 2016
Publication Date Jan 5, 2017
Deposit Date Oct 23, 2017
Publicly Available Date Mar 29, 2024
Journal Applied Thermal Engineering
Print ISSN 1359-4311
Electronic ISSN 1873-5606
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 112
DOI https://doi.org/10.1016/j.applthermaleng.2016.11.009
Keywords Microencapsulation, Phase change material, Thermal energy storage, Solar energy
Public URL https://nottingham-repository.worktribe.com/output/841816
Publisher URL http://www.sciencedirect.com/science/article/pii/S1359431116329696?via%3Dihub

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