Thermal properties of nano-graphite-embedded magnesium chloride hexahydrate phase change composites

Apurv Yadav, Bidyut Barman, Abhishek Kardam, S Shankara Narayanan, Abhishek Verma and Jain Vk

Energy & Environment, 2017, vol. 28, issue 7, 651-660

Abstract: Phase change materials can provide large heat storage density with low volume. But their low thermal conductivity limits their heat transfer capabilities. Since carbonaceous nanoparticles have a good thermal conductivity they can be applied as an additive to phase change materials to increase their heat transfer rate. In this study, nano-graphite is used as an additive and the influences of its various concentrations on the thermal conductivity and melting and freezing rate for the nanoparticle-enhanced phase change materials is experimentally investigated. Experimental results indicates a reduction of 22% in melting time and a reduction of 75% in solidification time of 0.5% nano-graphite-embedded phase change material.

Keywords: Nanocomposites; MgCl2·6H2O; energy storage; heat transfer rate; nano-graphite (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:sae:engenv:v:28:y:2017:i:7:p:651-660

DOI: 10.1177/0958305X17721475

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