Ion transport in dry and hydrated Ba<sub>0.95</sub>La<sub>0.05</sub>(Fe<sub>1−<i>x</i></sub>Y<sub><i>x</i></sub>)O<sub>3−<i>δ</i></sub> and implications for oxygen electrode kinetics of protonic ceramic cells
Christian Berger, Tolga Acartuerk, Ulrich Starke, Joachim Maier, Rotraut Merkle
Abstract
Proton diffusivity in doped BaFeO 3− δ determined using SIMS. Doping with Y 3+ decreases effective proton and diffusivity. Importance of and for kinetics of porous electrode.
Topics & Concepts
ElectrodeIonKineticsCeramicOxygenMaterials scienceChemical engineeringChemistryAnalytical Chemistry (journal)Inorganic chemistryPhysical chemistryComposite materialEnvironmental chemistryQuantum mechanicsPhysicsOrganic chemistryEngineeringAdvancements in Solid Oxide Fuel CellsNuclear materials and radiation effectsConcrete and Cement Materials Research