Chemistry / Chem 2216 · Atom · ~20 seconds
Fuel Cell Mechanism
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A fuel cell generates current from a redox reaction between continuously supplied reactants, functioning as long as fuel and oxidant are resupplied, unlike a battery's fixed supply.
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A hydrogen fuel cell consumes hydrogen and oxygen fed in continuously, producing water and current.
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A fuel cell is not a battery with unlimited charge — it needs continuous external reactant supply.
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