Fig. 6: Reaction mechanism of KA oil electrooxidation.

a Kinetic curves for cyclohexanol electrooxidation over Ni(OH)2-SDS in 0.5 M KOH with 20 mM cyclohexanol at 1.5 V vs RHE. b Mass spectra of cyclohexanone in isotope-labelled electrolyte. c A plausible tandem nucleophilic oxidation reaction mechanism for electrochemical oxidation of KA oil.