Overpotential

Origin

- + potential

Full definition of overpotential

Noun

1. (physics) The difference between the electric potential of an electrode or cell under the passage of a current and the thermodynamic value of the electrode or cell potential in the absence of electrolysis
• June 12, One of the factors that limits their development and use is that known anode and cathode electrocatalysts produce useful current densities only at high overpotentials.

Synonyms

• overvoltage