High proton conduction by full hydration in highly oxygen deficient perovskite
K. Saito, Kensei Umeda, Kotaro Fujii, Kazuhiro Mori, Masatomo Yashima
Abstract
We report high proton conductivity (10 mS cm −1 at 235 °C) of stable BaSc 0.8 W 0.2 O 2.8 , which is attributed to (1) high proton concentration due to full hydration and large amount of oxygen vacancies and (2) high proton mobility due to reduced proton trapping.
Topics & Concepts
ProtonOxygenTrappingConductivityProton transportPerovskite (structure)Thermal conductionMaterials scienceChemistryCrystallographyPhysical chemistryPhysicsNuclear physicsComposite materialEcologyBiologyOrganic chemistryAdvancements in Solid Oxide Fuel CellsMagnetic and transport properties of perovskites and related materialsAdvanced Condensed Matter Physics