Highly active hydrogen evolution catalysis on oxygen-deficient double-perovskite oxide PrBaCo<sub>2</sub>O<sub>6−δ</sub>
Hayato Togano, Kaisei Asai, Seiji Oda, Hidekazu Ikeno, Shogo Kawaguchi, Kengo Oka, Kouhei Wada, Shunsuke Yagi, Ikuya Yamada
Abstract
Oxygen-deficient double perovskite oxides PrBaCo<sub>2</sub>O<sub>6−δ</sub> exhibit highly active hydrogen evolution reaction catalysis, which is associated with multiple factors: oxygen deficiency, high Co valence, and A-site cation ordering.
Topics & Concepts
Perovskite (structure)CatalysisOxygenValence (chemistry)OxideOxygen evolutionHydrogenMaterials scienceInorganic chemistryActive oxygenChemistryPhysical chemistryCrystallographyOrganic chemistryElectrodeElectrochemistryMetallurgyElectrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceAdvanced battery technologies research