Transition metal incorporation: electrochemical, structure, and chemical composition effects on nickel oxyhydroxide oxygen-evolution electrocatalysts
Raúl A. Márquez, Emma Kalokowski, Michael Espinosa, Jay T. Bender, Yoon Jun Son, Kenta Kawashima, Chikaodili E. Chukwuneke, Lettie A. Smith, Hugo Celio, Andrei Dolocan, Xun Zhan, Nathan Miller, Delia J. Milliron, Joaquin Resasco, C. Buddie Mullins
Abstract
Trace metal cations dissolved in alkaline electrolytes incorporate into nickel hydroxide/oxyhydroxide through in situ cation exchange, creating an interstratified structure near the surface of the material that impacts the electrochemical performance.
Topics & Concepts
NickelTransition metalElectrochemistryOxygen evolutionOxygenMaterials scienceChemical compositionMetalChemical engineeringInorganic chemistryMetallurgyChemistryElectrodeCatalysisPhysical chemistryBiochemistryOrganic chemistryEngineeringElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research