Intermediate-temperature solid oxide fuel cells using perovskite-type oxide based on barium cerate

Lowering the operational temperature of solid oxide fuel cells (SOFCs) is important for their practical applicability. This study focused on the low-temperature dependence of the conductivity of proton-conducting perovskites. An anode-supported thin film SOFC based on barium cerate was constructed and its performance in the intermediate-temperature region was examined.