Engineering Composite Oxide SOFC Anodes for Efficient Oxidation of Methane

Ceramic anodes for solid oxide fuel cells (SOFCs) were prepared by aqueous impregnation of nitrate salts to produce composites with (LSCM) in a 65% porous yttria-stabilized zirconia (YSZ) scaffold. Scanning electron micrographs indicate that the LSCM coats the YSZ pores following calcination at . Composites produced in this manner exhibit conductivities at of approximately in air and in humidified . A SOFC with a composite anode composed of LSCM, Pd, and ceria exhibited maximum power densities at of 1.1 and in humidified and methane, respectively.