Boosting solid oxide H 2 O and CO 2 co-electrolysis on Sr 2− x Fe 1.5− y Mo 0.5 Ni y O 6± δ by in situ exsolution of FeNi alloy nanoparticles

Mixed ionic electronic conducting perovskites decorated with catalytically active FeNi-based nanoparticles are promising alternative fuel electrodes for steam and carbon dioxide co-electrolysis in solid oxide cells.