Electrode

Material

Oxidation

Potential (V)

Overpotential

of O2 Evolution

(V)

Adsorption

Enthalpy

of MOx (OH)

Oxidation

Power of the

Anode

RuO2-TiO2

1.4 - 1.7

0.18

Chemisorption of OH

IrO2-Ta2O5

1.5 - 1.8

0.25

Ti/Pt

1.7 - 1.9

0.3

Ti/PbO2

1.8 - 2.0

0.5

Ti/SnO2-Sb2O5

1.9 - 2.2

0.7

p-Si/BDD*

2.2 - 2.6

1.3

Physisorption of OH