Alkaline cell with improved cathode
AssigneeThe Gillette Company
InventorsFrancis Wang, Cahit Eylem, Jiayu Simon Xue, Kirakodu S. Nanjundaswamy, James Rozelle
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Abstract
An alkaline cell having an anode comprising zinc, an alkaline electrolyte solution, a separator, and a cathode comprising silver copper oxide AgCuO2, or Ag2Cu2O3, desirably in admixture with MnO2. The cathode preferably also includes a graphitic carbon to improve electrical conductivity. The graphtic carbon can comprise natural or synthetic graphites including expanded graphites and graphitic carbon fibers. The carbon nanofibers desirably have a mean average diameter less than 500 nanometers.
Claims31
An electrochemical cell comprising an anode comprising anode active material, an aqueous alkaline electrolyte solution, a separator, and a cathode comprising a cathode active material comprising a mixture of manganese dioxide and a silver copper oxide selected from the group consisting of AgCuO2, Ag2Cu2O3 and mixtures thereof.
An electrochemical cell comprising an anode comprising anode active material, an aqueous alkaline electrolyte solution, a separator, and a cathode comprising AgCuO2 and MnO2.
An electrochemical cell comprising an anode comprising anode active material, an aqueous alkaline electrolyte solution, a separator, and a cathode comprising Ag2Cu2O3 and MnO2.
Dependencies are inferred from the claim text.