Origin of the superior oxygen reduction activity of zirconium nitride in alkaline media
Heng Liu, Di Zhang, Stuart M. Holmes, Carmine D’Agostino, Hao Li
Abstract
This work identifies a new mechanism for the origin of the superior ORR activity of ZrN in alkaline media, combining electrochemical surface state analysis, density functional theory, and pH-dependent microkinetic modeling.
Topics & Concepts
Zirconium nitrideZirconiumNitrideElectrocatalystAlkaline earth metalTransition metalChemistryPolarization (electrochemistry)Inorganic chemistryMaterials scienceCatalysisMetalNanotechnologyElectrochemistryPhysical chemistryElectrodeMetallurgyTitanium nitrideLayer (electronics)BiochemistryElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsSemiconductor materials and devices