Patent · US Expired

Zinc alkaline secondary battery

US4378414A · kind A · utility

25Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 1981
Grant dateMar 29, 1983
Priority date
Expiry dateOct 22, 2001

Classification

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

Abstract

A zinc alkaline secondary battery with improved service life in which a multi-layer separator is interposed between the negative and positive electrodes and the quantity of the alkaline electrolyte in the layer of the separator adjacent to the negative electrode is less than that of the electrolyte in the layer of the separator adjacent to the positive electrode.

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