Electrocatalytic selectivity for nitrogen reduction <i>vs.</i> hydrogen evolution: a comparison of vanadium and cobalt oxynitrides at different pH values
Precious Chukwunenye, Ashwin Ganesan, Mojgan Gharaee, Kabirat Balogun, Fatima Anwar, Qasim Adesope, Thomas R. Cundari, Francis D’Souza, Jeffry A. Kelber
Abstract
To understand the competing HER and NRR reactions, their selectivities are compared for well-known NRR catalysts, viz. , metal oxynitrides of high (vanadium) and low (cobalt) oxophilicity as a function of pH.
Topics & Concepts
CobaltVanadiumInorganic chemistrySelectivityCatalysisMetalNitrogenHydrogenChemistryRedoxMaterials scienceOrganic chemistryAmmonia Synthesis and Nitrogen ReductionElectrocatalysts for Energy ConversionAdvanced Photocatalysis Techniques