Fig. 5: UOR mechanism analyses.
From: Boosting urea electrooxidation on oxyanion-engineered nickel sites via inhibited water oxidation
a–d In situ ATR-IR spectra in potential window 1.20 to 1.60 V for Ni-SOX and for NiOX in different ranges. e, f Schematic for competing adsorption of urea and hydroxyl on Ni-SOX and NiOX surfaces.
