Zr and Y co-doped perovskite as a stable, high performance cathode for solid oxide fuel cells operating below 500 °C

BaCo_0.4Fe_0.4Zr_0.1Y_0.1O_3−δis applied for the first time as a cathode for low-temperature solid oxide fuel cells (LT-SOFCs) with high power densities below 500 °C and 2500 hours stable performance.