The Kinetics of Oxidation-Reduction Electrode Reactions

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Abstract
A discussion of the kinetics of oxidation‐reduction electrode reactions is presented. It is shown that the electrode reactions may be treated as rate processes and a general expression for the electrode potential‐current density relationship is derived. This equation shows how the polarization curves may behave under conditions where concentration overvoltage and activation overvoltage are involved. It is suggested that the use of this equation may allow such important factors as “exchange current” and “transfer coefficients” to be evaluated and thus contribute to our knowledge of electrode reaction mechanisms.

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