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Modeling of electrocatalysis at chemically modified electrodes: a combination of second-order and Michaelis-type chemical kinetics

The model presented accounts for the diffusion of a reactant and of charge carriers within the modifier layer placed at electrode surface, and redox interaction between reactant and an active center bearing charge carriers. The study extends our previous model by the use of a combination of two kinds of redox interaction—a simple chemical second-order reaction, and Michaelis-type redox reaction. Depending on relative increments from these two kinetic models, either linear, or hyperbolic dependencies of electric current on reactant concentration were obtained. The results obtained have been analyzed in terms of current-concentration interdependencies.

Authors:   Mantas Puida, Albertas Malinauskas, Feliksas Ivanauskas
Journal:   Journal of Mathematical Chemistry
Year:   2012
DOI:   10.1007/s10910-012-0016-8
Publication date:   18-04-2012

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