Fabrication of LSM–YSZ Composite Electrodes by Electrodeposition

Abstract

Composites of Sr-doped (LSM) and yttria-stabilized zirconia (YSZ) were prepared by sequential electrodeposition of La and Mn species from nitrate salts in Dimethyl Sulfoxide (DMSO) into a porous, carbon-coated YSZ substrate, followed by the infiltration of . The La and Mn species were uniformly deposited throughout the depth of a porous layer to the interface with a dense YSZ electrolyte. The LSM perovskite phase was formed after heating to 1373 K. Solid oxide fuel cell cathodes prepared by single-step electrodeposition showed similar performance to LSM–YSZ electrodes prepared by wet impregnation using many steps.