Departmental Papers (CBE)
Document Type
Working Paper
Date of this Version
February 2008
Abstract
Ceramic anodes for solid oxide fuel cells SOFCs were prepared by aqueous impregnation of nitrate salts to produce composites with 45 wt % La0.8Sr0.2Cr0.5Mn0.5O3 (LCSM)in a 65% porous yttria-stabilized zirconia (YSZ) scaffold. Scanning electron micrographs indicate that the LSCM coats the YSZ pores following calcination at 1473 K. Composites produced in this manner exhibit conductivities at 1073 K of approximately 1 S/cm in air and 0.1 S/cm in humidified H2. A SOFC with a composite anode composed of 45 wt % LSCM, 0.5 wt % Pd, and 5 wt % ceria exhibited maximum power densities at 1073 K of 1.1 and 0.71 W cm−2 in humidified (3% H2O) H2 and methane, respectively.
Recommended Citation
Kim, G., Corre, G., Irvine, J. T., Vohs, J. M., & Gorte, R. J. (2008). Engineering Composite Oxide SOFC Anodes for Efficient Oxidation of Methane. Retrieved from https://repository.upenn.edu/cbe_papers/103
Date Posted: 14 February 2008
Comments
© The Electrochemical Society, Inc. 2008. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Electrochemical and Solid State Letters, Volume 11, Issue 2, 2008, pages B16-B19.
Publisher URL: http://dx.doi.org/10.1149/1.2817809