Fig. 6: Schematic illustration of this work.

Schematic illustration of the fuel electrode side of Pr0.5Ba0.5−xSrxFeO3−δ (x = 0, 0.3, and 0.5) symmetrical cells and its relation to electrochemical performances.

Schematic illustration of the fuel electrode side of Pr0.5Ba0.5−xSrxFeO3−δ (x = 0, 0.3, and 0.5) symmetrical cells and its relation to electrochemical performances.