In this article, Dr Mike McDonagh explains the chemical and physical processes involved in forming lead dioxide and pure lead in lead-acid battery plates, detailing how initial compounds are electrochemically converted into active materials.
The lead acid battery, and indeed, all rechargeable conversion electrochemical batteries, operate on the same principle. By design, they have two electrodes in chemical states that have different energy levels and an electrolyte to enable the reactions required to release or absorb electrons to generate power.
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