The kinetic currents obtained from the general KL mass-transport correction (Eq. ( )) are plotted again in Fig. . A very linear Tafel behavior (on a logarithmic scale) is revealed at increased potentials, with a fitted Tafel slope of 121 mV dec -1 . Employing the IUPAC-0.8 0.9 recommended definition, this corresponds to an anodic transfer coefficient of