Patent · US Expired

Sealed type alkaline storage battery

US6620548B1 · kind B1 · utility

3Cited by
20References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 2000
Grant dateSep 16, 2003
Priority date
Expiry dateMar 30, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A sealed type alkaline storage battery in which the entire surface of a positive electrode plate is opposed to a negative electrode plate through a separator, wherein a discharge capacity ratio of the negative electrode plate to the positive electrode plate is determined to be more than or equal to 1.9, an area ratio of the negative electrode plate to the positive electrode plate is determined to be less than or equal to 1.4, and the thickness of the positive electrode plate is determined to be less than or equal to 0.6 mm

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