Characterization of Ca-doped YCoO3 Perovskite-type oxide as cathode for solid oxide fuel cells

Solid oxide fuel cell (SOFC) uses solid oxide as an electrolyte and has a high-power generation efficiency. One of the major problems in the development of SOFC is the side reaction that occurs at the interface between the electrode and the electrolyte. (Y, Ca)CoO[Formula: see text] materials were evaluated as a new air electrode material to replace the conventional (La, Sr)CoO 3 materials. Y[Formula: see text]Ca[Formula: see text]CoO[Formula: see text] has good compatibility with Y-stabilized ZrO 2 (YSZ) electrolyte. In addition, the power generation performance was equal to or better than the conventional SOFC cells.