| Résumé | In this chapter, to facilitate understanding and preparing the basic knowledge for rotating electrode theory, both the electron-transfer and reactant transport theories at the interface of electrode/electrolyte are presented. Regarding the reactant transport, three transportation modes such as diffusion, migration, and convection are described. A focusing discussion is given to the reactant diffusion near the electrode surface using both Fick's first and second laws. In addition, based on the approach in literature, the kinetics of reactant transport near and within a porous matrix electrode layer and its effect on the electron-transfer process is also presented using a simple equivalent electrode/electrolyte interface. |
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