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Question

What is the negative plate of the lead-acid battery made up of?


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Solution

  1. The negative plate active material is called sponge lead (Pb).
  2. A lead-acid battery cell consists of two lead plates, a positive plate covered with a paste of lead dioxide and a negative made of sponge lead, with an insulating material (separator) in between.

Thus, the negative plate is made up of lead.


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