Phase control of ultrafine FeSe nanocrystals in a N-doped carbon matrix for highly efficient and stable oxygen reduction reaction
Yangfei Cao, Senchuan Huang, Zhangquan Peng, Fen Yao, Xiaohui Li, Yan Liu, Haitao Huang, Mingmei Wu
Abstract
Hexagonal FeSe nanocrystals outperform the tetragonal ones for alkaline ORR in O<sub>2</sub> adsorption and O–O bond cleavage of *OOH intermediates.
Topics & Concepts
Tetragonal crystal systemNanocrystalCleavage (geology)Hexagonal crystal systemCarbon fibersOxygenMaterials scienceDopingOxygen reductionAdsorptionPhase (matter)Oxygen reduction reactionBond cleavageChemical engineeringCrystallographyNanotechnologyCatalysisChemistryPhysical chemistryOptoelectronicsOrganic chemistryElectrochemistryComposite numberComposite materialElectrodeFracture (geology)EngineeringElectrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceCatalysis and Hydrodesulfurization Studies