The acceleration of a chemical reaction by the use of electrical current, where electricity helps chemicals react faster.
From electro- (electricity) + catalysis (speeding up of a chemical reaction). The term was developed as electrochemistry expanded in the late 19th and early 20th centuries.
Electrocatalysis is how fuel cells work—electricity helps hydrogen and oxygen react to produce electricity again, creating a clean energy source that could power cars and buildings without pollution.
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