Patent · US Expired

Double layer capacitor

US4438481A · kind A · utility

48Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1982
Grant dateMar 20, 1984
Priority date
Expiry dateSep 30, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/13
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrical capacitor is described which comprises a housing, a pair of electrodes in said housing, one of said electrodes being composed of a mixture of carbon particles and an electrolyte and the other electrode being composed of a mixture of lead metal and the same electrolyte, and an ionically conductive separator means between and in contact with said pair of electrodes, electronically separating said electrodes from each other, wherein the electrolyte comprises an acidic solution of soluble sulfate salts.

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