Electrochemical

reactions

logi0

(A/cm2)

Equilibrium potential

(V, SCE)

Tafel slope

(V/decade)

i0

(A/cm2)

Anodic oxidation

of iron

Cathodic hydrogen

evolution

−4.954

−5.017

−0.704

−0.368

0.120

−0.117

1.11 × 10−5

9.62 × 10−6