Journal Article

Modelling of the radiative properties of an opaque porous ceramic layer

Ansart, Florence, Rousseau, Benoit, Rieu, Mathilde, Lenormand, Pascal, Echegut, Patrick, Gomart, Hector, Dugas, Romain, De Sousa Meneses, Domingos

2011

Overview

Solid Oxide Fuel Cells (SOFCs) operate at temperatures above 1,100 K where radiation effects can be significant. Therefore, an accurate thermal model of an SOFC requires the inclusion of the contribution of thermal radiation. This implies that the thermal radiative properties of the oxide ceramics used in the design of SOFCs must be known. However, little information can be found in the literature concerning their operating temperatures. On the other hand, several types of ceramics with different chemical compositions and microstructures for designing efficient cells are now being tested. This is a situation where the use of a numerical tool making possible the prediction of the thermal radiative properties of SOFC materials, whatever their chemical composition and microstructure are, may be a decisive help. Using this method, first attempts to predict the radiative properties of a lanthanum nickelate porous layer deposited onto an yttria stabilized zirconium substrate can be reported.

• Publisher: Springer US,Springer Nature B.V,Springer Verlag
• Subject: Ceramics / Characterization and Evaluation of Materials / Chemistry and Materials Science / Composites / Crystallography and Scattering Methods / Electrochemistry / Engineering Sciences / Glass / Materials / Materials Science / Natural Materials / Optical and Electronic Materials