Phase segregation of a composite air electrode unlocks the high performance of reversible protonic ceramic electrochemical cells
Fan He, Mingyang Hou, Dongliang Liu, Yong Ding, Kotaro Sasaki, YongMan Choi, Shihang Guo, Donglin Han, Ying Liu, Meilin Liu, Yu Chen
Abstract
We develop a rational-designed composite perovskite-based air electrode through strategies of high-entropy engineering and self-assembly, demonstrating an exceptional oxygen reduction/evolution reaction activity and durability for reversible protonic ceramic electrochemical cells.
Topics & Concepts
ElectrochemistryCeramicComposite numberElectrodeMaterials sciencePerovskite (structure)Ceramic compositeChemical engineeringPhase (matter)Oxygen evolutionDurabilityComposite materialChemistryPhysical chemistryEngineeringOrganic chemistryAdvancements in Solid Oxide Fuel CellsElectrocatalysts for Energy ConversionElectronic and Structural Properties of Oxides