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Green

a systemic approach to energy

Editor-in-Chief: Schlögl, Robert

Managing Editor: Tiedtke, Marion

Editorial Board: Luther, Joachim / Meng, Qingbo / Hüttl, Reinhard F. / Koumoto, Kunihito / Gasteiger, Hubert


SCImago Journal Rank (SJR) 2018: 0.248
Source Normalized Impact per Paper (SNIP) 2018: 0.421

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Chemical Perspectives on Alkali and Earth Alkaline Nitrate and Nitrite Salts for Concentrated Solar Power Applications

Joseph G. Cordaro
Published Online: 2013-03-20 | DOI: https://doi.org/10.1515/green-2012-0026

Abstract

Molten salts have been widely considered as the leading candidate heat transfer fluids (HTF) used in high temperature, concentrated solar power plants. Specifically, nitrate and nitrite based salts have been investigated as a HTF and even deployed in pilot plants generating up to 19.9 MW of electricity at operating temperatures above 500 °C. New plant designs requiring higher operating temperatures for better efficiencies are pushing the stability limit of HTF. This paper presents an overview of the thermophysical properties of nitrate and nitrite salts and discusses thermodynamic and kinetic stability limitations as they relate to concentrated solar power generation.

Keywords: molten salts; concentrated solar power; nitrate salts; kinetic stability; thermal stability

About the article

Joseph G. Cordaro

Joseph G. Cordaro is a Principal Member of the Technical Staff at Sandia National Laboratories in Livermore, California. He received his Ph.D. in chemistry from the University of California, Berkeley in 2004 and did postdoctoral research at the ETH in Zurich and then the University of California, Santa Barbara. Since joining Sandia, he has worked on designing new heat transfer fluids for solar thermal energy production and storage.


Sandia National Laboratories, 7011 East Ave, Livermore, CA 94550, USA


Received: 2012-11-30

Accepted: 2013-01-30

Published Online: 2013-03-20

Published in Print: 2013-03-15


Citation Information: Green, Volume 3, Issue 1, Pages 9–18, ISSN (Online) 1869-8778, ISSN (Print) 1869-876X, DOI: https://doi.org/10.1515/green-2012-0026.

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