Molten Salts for Sensible Thermal Energy Storage: A Review and an Energy Performance Analysis

Adrián Caraballo, Santos Galán-Casado, Ángel Caballero and Sara Serena
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Adrián Caraballo: Department of Chemical and Environmental Engineering, ETSII, Universidad Politécnica de Madrid (UPM), 28006 Madrid, Spain
Santos Galán-Casado: Department of Chemical and Environmental Engineering, ETSII, Universidad Politécnica de Madrid (UPM), 28006 Madrid, Spain
Ángel Caballero: Department of Ceramics, Institute of Ceramics and Glass, Spanish National Research Council (CSIC), 28049 Madrid, Spain
Sara Serena: Department of Ceramics, Institute of Ceramics and Glass, Spanish National Research Council (CSIC), 28049 Madrid, Spain

Energies, 2021, vol. 14, issue 4, 1-15

Abstract: A comprehensive review of different thermal energy storage materials for concentrated solar power has been conducted. Fifteen candidates were selected due to their nature, thermophysical properties, and economic impact. Three key energy performance indicators were defined in order to evaluate the performance of the different molten salts, using Solar Salt as a reference for low and high temperatures. The analysis provided evidence that nitrate-based materials are the best choice for the former and chloride-based materials are best for the latter instead of fluoride and carbonate-based candidates, mainly due to their low cost.

Keywords: thermal energy storage; molten salts; concentrated solar power; sensible heat storage; nanofluids (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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