Patent · US Expired

Performance enhancing additive material for the nickel hydroxide positive electrode in rechargeable alkaline cells

US7201857B2 · kind B2 · utility

15Cited by
15References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2003
Grant dateApr 10, 2007
Priority date
Expiry dateOct 31, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A conductive additive for the positive nickel electrode for electrochemical cells which provides increased performance by suppressing an oxygen evolution reaction occurring parallel to the oxidation of nickel hydroxide, increasing conductivity of the electrode and/or consuming oxygen produced as a result of the oxygen evolution reaction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.