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US 7,947,391 B2Granted
Lead-alkaline battery
OwnerJohn E. Staufferinventor
Life of this patent
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Abstract
A rechargeable battery is provided such that the positive electrode comprises lead dioxide, the negative electrode zinc, iron, lead or cadmium, and the electrolyte is alkaline. Upon discharge, the lead dioxide is reduced to lead oxide, the metal is oxidized to an oxide, and the electrolyte remains unchanged. The reactions are reversed when the battery is charged.
Claims4
A storage battery comprising:
- (a) a positive electrode consisting essentially of lead which charging, converts to lead dioxide;
- (b) a negative electrode consisting essentially of zinc;
- and
- (c) an alkaline electrolyte consisting of an alcohol solution of a base.
1 more element
Dependencies are inferred from the claim text.