US2006035145A1PendingUtilityA1

Lead-zinc battery

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Individually held — no corporate assignee on recordPriority: Jan 13, 2004Filed: Oct 13, 2005Published: Feb 16, 2006
Est. expiryJan 13, 2024(expired)· nominal 20-yr term from priority
Inventors:John E. Stauffer
Y02E60/10H01M 4/244H01M 10/20H01M 10/26H01M 4/56H01M 10/08H01M 2300/0014Y02T10/70
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Claims

Abstract

A rechargeable battery is provided such that the positive electrode comprises lead dioxide, the negative electrode zinc, and the electrolyte is alkaline. Upon discharge, the lead dioxide is reduced to lead oxide, the zinc is oxidized to zinc oxide, and the electrolyte remains unchanged. The reactions are reversed when the battery is charged.

Claims

exact text as granted — not AI-modified
1 . A storage battery comprising: 
 (a) a positive electrode of lead;    (b) a negative electrode of zinc; and    (c) an alkaline electrolyte.    
     
     
         2 . A storage battery of  claim 1  in which the alkaline electrolyte is an aqueous solution of a hydroxide of an alkali metal selected from the group lithium, sodium, potassium, and cesium.  
     
     
         3 . A storage battery of  claim 1  in which the alkaline electrolyte is an aqueous solution of tetramethyl ammonium hydroxide.  
     
     
         4 . A storage battery of  claim 1  in which the alkaline electrolyte contains a buffering agent selected from the group carbonates, borates, silicates, and phosphates.

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