Overpotential

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

In electrochemistry, overpotential is the potential difference (voltage) between a half-reaction's thermodynamically determined reduction potential and the potential at which the redox event is experimentally observed. The term is directly related to a cell's voltage efficiency.

Excerpt from the Wikipedia article “Overpotential”, under the CC BY-SA 4.0 license. Read the article on Wikipedia