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Post-Industrial Ceramics Compatibility With Heat Transfer Fluids for Low-Cost Thermal Energy Storage Applications in CSP

[+] Author Affiliations
Nicolas Calvet

CIC Energigune, Miñano, Álava, SpainNational Renewable Energy Laboratory, Golden, CO

Antoine Meffre, Régis Olivès, Xavier Py

PROMES CNRS/University of Perpignan, Perpignan, France

Judith C. Gomez, Greg C. Glatzmaier

National Renewable Energy Laboratory, Golden, CO

Abdessamad Faik, Stefania Doppiu

CIC Energigune, Miñano, Álava, Spain

Paper No. ES2012-91305, pp. 449-457; 9 pages
  • ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2012 6th International Conference on Energy Sustainability, Parts A and B
  • San Diego, California, USA, July 23–26, 2012
  • Conference Sponsors: Advanced Energy Systems Division, Solar Energy Division
  • ISBN: 978-0-7918-4481-6
  • Copyright © 2012 by ASME


This paper investigates the possibility of using a post-industrial ceramic commercially called Cofalit as a promising, sustainable, and inexpensive ($10/ton) thermal energy storage material. This ceramic presents relevant properties to store thermal energy by means of sensible heat in the temperature range of concentrated solar power (CSP) plants from ambient temperature up to 1100 °C. In the present study, the compatibility of this ceramic was studied with two conventional heat transfer fluids: nitrate molten salts for medium-temperature applications (200 to 500 °C) and air for high-temperature applications (500 to 900 °C). The use of this ceramic in direct contact with the heat transfer fluid should significantly reduce the cost of thermal energy storage systems in CSP applications and help to achieve the U.S. Department of Energy’s SunShot Initiative cost targets.

Copyright © 2012 by ASME



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