What is role of PbO2 in lead accumulator cell?
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The lead-acid storage cell gives an emf of 2 volt. ... Recharging of a discharged lead storage cell/battery. In the discharged state, the lead (Pb) of the anode, and lead dioxide (PbO2) of the cathode are completely converted to lead sulphate (PbSO4). The water produced in the reaction dilutes the sulphuric acid.
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