Fig. 6: UOR /OER competition mechanism.
From: Boosting urea electrooxidation on oxyanion-engineered nickel sites via inhibited water oxidation
a RRDE curves for NiOX obtained in different concentration of KOH with 0.33 M urea. b RRDE curves for NiOX obtained in 1 M KOH with different concentrations of urea. c Representation for UOR mechanism on Ni-SOX accompanying adsorption of reactants and dynamic evolution of active sites under high potential (>1.50 V). d Representation of UOR and OER mechanism on NiOX accompanying adsorption of reactants and dynamic evolution of active sites under high potential (>1.50 V).
