https://doi.org/10.1351/goldbook.C00906
For a reaction with a single rate-determining step \[\frac{\alpha _{\text{c}}}{\nu } = -\frac{R\ T}{n\ F}\ (\frac{\partial (\ln (|I_{\text{c}}|))}{\partial E})_{T,p,c_{i},...}\] where \(\alpha _{\text{c}}\) is the cathodic transfer @C01124@ (number), \(R\) is the @G02579@, \(T\) is the @T06321@, and \(\nu \) the @S06025@ giving the number of identical activated complexes formed and destroyed in the completion of the overall reaction as formulated with the transfer of \(n\) electrons.