Perovskite oxides La0.4Sr0.6CoxMn1-xO3 (x = 0, 0.2, 0.4) as an effective electrocatalyst for lithium-air batteries

Co-doped perovskite oxide La0.4Sr0.6CoxMn1-xO3 (x = 0, 0.2, 0.4) composites are synthesized by sol-gel method utilizing citric acid as chelating agent. La0.4Sr0.6Co0.4Mn0.6O3 demonstrate high catalytic activities and low potential gap.145