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Materials 2017, 10(5), 537; doi:10.3390/ma10050537

In Situ Production of Copper Oxide Nanoparticles in a Binary Molten Salt for Concentrated Solar Power Plant Applications

1
School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK
2
School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
3
School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Christof Schneider
Received: 5 April 2017 / Revised: 11 May 2017 / Accepted: 12 May 2017 / Published: 19 May 2017
(This article belongs to the Section Energy Materials)
View Full-Text   |   Download PDF [6320 KB, uploaded 19 May 2017]   |  

Abstract

Seeding nanoparticles in molten salts has been shown recently as a promising way to improve their thermo-physical properties. The prospect of such technology is of interest to both academic and industrial sectors in order to enhance the specific heat capacity of molten salt. The latter is used in concentrated solar power plants as both heat transfer fluid and sensible storage. This work explores the feasibility of producing and dispersing nanoparticles with a novel one pot synthesis method. Using such a method, CuO nanoparticles were produced in situ via the decomposition of copper sulphate pentahydrate in a KNO3-NaNO3 binary salt. Analyses of the results suggested preferential disposition of atoms around produced nanoparticles in the molten salt. Thermal characterization of the produced nano-salt suspension indicated the dependence of the specific heat enhancement on particle morphology and distribution within the salts. View Full-Text
Keywords: in-situ production; nanoparticles; molten salts; solar energy; specific heat capacity; CSP; concentrated solar power in-situ production; nanoparticles; molten salts; solar energy; specific heat capacity; CSP; concentrated solar power
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Lasfargues, M.; Stead, G.; Amjad, M.; Ding, Y.; Wen, D. In Situ Production of Copper Oxide Nanoparticles in a Binary Molten Salt for Concentrated Solar Power Plant Applications. Materials 2017, 10, 537.

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