overpotential

overpotential englanniksi

1. The difference between the 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

2. {{quote-journal|en|date=June 12, 1998|author=Erik Reddington; et al.|title=Combinatorial Electrochemistry: A Highly Parallel, Optical Screening Method for Discovery of Better Electrocatalysts|work=Science|url=http://www.sciencemag.org/cgi/content/abstract/280/5370/1735|doi=10.1126/science.280.5370.1735|volume=280|issue=5370|pages=1735–1737