Mechanical Dispersion of Nanoparticles and Its Effect on the Specific Heat Capacity of Impure Binary Nitrate Salt MixturesReportar como inadecuado


Mechanical Dispersion of Nanoparticles and Its Effect on the Specific Heat Capacity of Impure Binary Nitrate Salt Mixtures


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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





*

Author to whom correspondence should be addressed.



Academic Editor: Jiye Fang

Abstract In this study, the effect of nanoparticle concentration was tested for both CuO and TiO2 in eutectic mixture of sodium and potassium nitrate. Results showed an enhancement in specific heat capacity Cp for both types of nanoparticles +10.48% at 440 °C for 0.1 wt % CuO and +4.95% at 440 °C for 0.5 wt % TiO2 but the behavior toward a rise in concentration was different with CuO displaying its highest enhancement at the lowest concentration whilst TiO2 showed no concentration dependence for three of the four different concentrations tested. The production of cluster of nanoparticles was visible in CuO but not in TiO2. This formation of nanostructure in molten salt might promote the enhancement in Cp. However, the size and shape of these structures will most likely impact the energy density of the molten salt. View Full-Text

Keywords: nanoparticles; molten salt; energy storage nanoparticles; molten salt; energy storage





Autor: Mathieu Lasfargues 1, Qiao Geng 2, Hui Cao 2 and Yulong Ding 2,*

Fuente: http://mdpi.com/



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