Structural and oxygen-transport studies of double perovskites PrBa1−xCo2O5+δ(x = 0.00, 0.05, and 0.10) toward their application as superior oxygen reduction electrodes

Structural and oxygen-transport studies of double perovskites PrBa1−xCo2O5+δ(x = 0.00, 0.05, and 0.10) toward their application as superior oxygen reduction electrodes