Influence of product adsorption on catalytic reaction determined by Michaelis–Menten kinetics

• The catalyst can be partly blocked by the product of electrocatalysis.
• The form of cyclic voltammogram depends on the rate of dissociation of the product from the surface.
• Inverse limiting current is linearly proportional to the inverse concentration of the substrate.

A theoretical model of electrocatalytic mechanism that is determined by Michaelis–Menten kinetics is developed for cyclic voltammetry. The adsorption and desorption of product of catalysis is considered and its influence on voltammograms is investigated. The rate constants of catalytic reaction and dissociation of the product from the surface can be estimated from the linear relationship between inverse limiting current and inverse concentration of substrate.