Understanding of A-site deficiency in layered perovskites: promotion of dual reaction kinetics for water oxidation and oxygen reduction in protonic ceramic electrochemical cells
Wei Tang, Hanping Ding, Wenjuan Bian, Wei Wu, Wenyuan Li, Xingbo Liu, Joshua Gomez, Clarita Y. Regalado Vera, Meng Zhou, Dong Ding
Abstract
An A-site deficient layered perovskite PBCC95 is developed as a new oxygen electrode incorporated into a protonic ceramic electrochemical cell. The cell presents superior electrochemical performances and it can reversibly work between the electrolysis and fuel cell mode.
Topics & Concepts
ElectrochemistryMaterials scienceElectrodeElectrolysisCeramicOxygenOxygen reduction reactionPerovskite (structure)Inorganic chemistryElectrochemical cellOxygen reductionOxygen evolutionElectrolysis of waterKineticsRedoxFuel cellsChemical engineeringChemistryComposite materialPhysical chemistryQuantum mechanicsElectrolyteEngineeringPhysicsOrganic chemistryAdvancements in Solid Oxide Fuel CellsFuel Cells and Related MaterialsAdvanced battery technologies research