I = A ⋅ i 0 ⋅ { e x p [ α ⋅ F R ⋅ T ⋅ ( U − U 0 ) ] − e x p [ − ( 1 − α ) ⋅ F R ⋅ T ⋅ ( U − U 0 ) ] } {\displaystyle I=A\cdot i_{0}\cdot \{exp[{\frac {\alpha \cdot F}{R\cdot T}}\cdot (U-U_{0})]-exp[-{\frac {(1-\alpha )\cdot F}{R\cdot T}}\cdot (U-U_{0})]\}}
I {\displaystyle I} : Strom
U 0 {\displaystyle U_{0}} : Gleichgewichtsspannung
U {\displaystyle U} : Elektrodenpotential
A {\displaystyle A} : aktive Oberfläche
i o {\displaystyle i_{o}} : Austauschstromdichte
T {\displaystyle T} : Temperatur
![{\displaystyle I=A\cdot i_{0}\cdot \{exp[{\frac {\alpha \cdot F}{R\cdot T}}\cdot (U-U_{0})]-exp[-{\frac {(1-\alpha )\cdot F}{R\cdot T}}\cdot (U-U_{0})]\}}](/media/api/rest_v1/media/math/render/svg/501a116e4de6a7f151c210535bba2fe375aee3c0)
