Voltammetry at porous electrodes: A theoretical study
Edward O. Barnes, Xiaojun Chena, Peilin Li, Richard G. Compton
TL;DR
This paper develops a theoretical framework for simulating voltammetry at porous electrodes created by electro-deposition, enabling the extraction of kinetic parameters for various electrochemical systems.
Contribution
It introduces a novel theoretical method that decouples diffusion processes to analyze voltammetry at porous electrodes, facilitating kinetic parameter extraction.
Findings
Simulation of chronoamperometry and cyclic voltammetry at porous electrodes.
A new approximation method for extracting heterogeneous rate constants.
Applicable to quasireversible and irreversible electrochemical systems.
Abstract
Theory is presented to simulate both chronoamperometry and cyclic voltammetry at porous electrodes fabricated by means of electro-deposition around spherical templates. A theoretical method to extract heterogeneous rate constants for quasireversible and irreversible systems is proposed by the approximation of decoupling of the diffusion within the porous electrode and of bulk diffusion to the electrode surface.
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