Structure and redox properties of perovskite Y0.9Sr0.1Cr1−xFexO3−δ

► Y0.9Sr0.1Cr1−xFexO3−δ was firstly synthesized via gel combustion method. ► Y0.9Sr0.1Cr1−xFexO3−δ was firstly examined as promising anode materials for SOFCs. ► Y0.9Sr0.1Cr0.9Fe0.1O3−δ showed stability in H2S-containing atmosphere.