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BDifficulty 1/5

How does a lead-acid starter battery supply electricity while discharging?

Correct answer

Through electrochemical reactions involving the plates and electrolyte.

It converts stored chemical energy into electrical energy through electrochemical reactions involving the plates and electrolyte. A lead-acid battery uses lead and lead-dioxide plates and an electrolyte of sulfuric acid and water. Electricity is not produced by the isolated reaction of a single liquid or invented materials such as “posilyte” or “neutrolyte”. The alternator is a separate device that helps recharge it when applicable.

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  • Through electrochemical reactions involving the plates and electrolyte.

  • By burning petrol inside each cell.

  • By mechanical friction between the plates and casing.

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