Ultra-refractory ceramics for high-temperature solar absorbers

Year: 2011

Authors: Sani E., Mercatelli L., Francini F., Sans J.-L., Sciti D.

Autors Affiliation: CNR-INO National Institute of Optics, largo E. Fermi, 6, 5012 5 Firenze, Italy;
PROMES-CNRS Processes, Materials and Solar Energy Laboratory, 7 rue du Four Solaire, 66120 Font Romeu, France;
CNR-ISTEC Institute of Science and Technology for Ceramics, Via Granarolo 64, 48018 Faenza (RA), Italy

Abstract: It is well known that the efficiency of thermodynamic solar plants increases with working temperature. At present the main limit to temperature upscaling is the capability of the absorber to withstand high temperatures. The ideal solar absorber works at high temperatures, has a low thermal emissivity and a high absorptivity in the solar spectral range. This paper reports on the high-temperature emissivity characterization of ceramic zirconium carbide samples. The investigation has been performed for samples of different chemical compositions. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Journal/Review: SCRIPTA MATERIALIA

Volume: 65 (9)      Pages from: 775  to: 778

More Information: Financial support by the Access to Research Infrastructures activity in the 7th Framework Programme of the EU (SFERA Grant Agreement n. 228296) is gratefully acknowledged, as well as the PROMES Director and PROMES Researchers for the use of facilities.
KeyWords: Absorptivities; Chemical compositions; High temperature; Optical emissivity; Solar plant; Spectral range; Thermal emissivity; Ultra-high-temperature ceramics; Upscaling; Working temperatures; Zirconium carbide, Carbides; Ceramic materials; Ceramic plants; Electromagnetic wave emission; Temperature; Zirconium; Zirconium compounds, Solar absorbers
DOI: 10.1016/j.scriptamat.2011.07.033

ImpactFactor: 2.699
Citations: 70
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