La1 − xBaxCo0.2Fe0.8O3 − δ perovskites for application in intermediate temperature SOFCs

► Structural and transport properties of La1 − xBaxCo0.2Fe0.8O3 − δ ► Cubic structure at 300 K of BaCo0.2Fe0.8O3 − δ, δ ≈ 0.4 mol/mol ► La1 − xBaxCo0.2Fe0.8O3 − δ have lower conductivity than La1 − xSrxCo0.2Fe0.8O3 − δ. ► Good mutual stability between La0.6Ba0.4Co0.2Fe0.8O3 − δ and Ce0.8Gd0.2O1.9