B-site high valence cation co-doping boosts fast oxygen kinetics in a cobalt-free perovskite air electrode for reversible solid oxide cells
Chenshuo Yuan, Dongwang Feng, Hui Ye, Pengkai Shan, Lin Ge, Han Chen, Yifeng Zheng, Sheng Cui
Abstract
A B-site co-doping strategy by incorporating high valence Nb 5+ and Ta 5+ into a cobalt-free Bi 0.5 Sr 0.5 FeO 3− δ (BSF) air electrode to synergistically optimize the oxygen transport capacity and surface reactivity for RSOCs.
Topics & Concepts
CobaltValence (chemistry)Perovskite (structure)ElectrodeDopingOxideKineticsMaterials scienceCobalt oxideOxygenInorganic chemistryChemistryOptoelectronicsCrystallographyPhysical chemistryMetallurgyPhysicsQuantum mechanicsOrganic chemistryAdvancements in Solid Oxide Fuel CellsElectronic and Structural Properties of OxidesMagnetic and transport properties of perovskites and related materials