Overpotential is the current-producing potential difference between a nonequilibrium electrode potential and its corresponding equilibrium value for an electrode reaction. This article provides information on the overpotential of an electrode reaction. It contains a table that lists the values based on the electrode reaction. Because overpotential is a kinetic parameter and depends on current density, overpotential values presented are for a specific current density.
Overpotential, Corrosion: Materials, Vol 13B, ASM Handbook, Edited By Stephen D. Cramer, Bernard S. Covino, Jr., ASM International, 2005, p 663–664, https://doi.org/10.31399/asm.hb.v13b.a0006547
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