Chemistry / Unit 11 Chem 2228 short lesson, about 20 seconds
Twin: Electrolytic Cell as the Forced-Reverse Galvanic Cell
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The idea
An electrolytic cell runs the same redox chemistry as a galvanic cell but forced nonspontaneous by external power, not generated from an already-favored reaction.
In practice
Recharging a secondary battery is electrolysis: the cell that discharged spontaneously as galvanic is driven backward by a charger.
Where people slip
Assuming galvanic and electrolytic cells use different chemistry misses that one rechargeable cell is literally both in turn.
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