engleski

Theory of staircase cyclic voltammetry of two electrode reactions coupled by a chemical reaction

Two reversible electrode reactions that are connected by either reversible, or totally irreversible chemical reaction are analysed theoretically for staircase cyclic voltammetry. The dependence of peak potentials on the thermodynamic and kinetic parameters is calculated. If the mechanism is permanently in equilibrium, the stability constant of reversible chemical reaction can be determined. Furthermore, the critical kinetic parameter is determined and its application to the measurement of the forward rate constant of chemical reaction is demonstrated. Also, the influence of the kinetics of electrode reactions is discussed.

ECE mechanism ; Cyclic voltammetry ; Theory

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