Patent · US Expired

Supercapacitor and a method of manufacturing such a supercapacitor

US6602742B2 · kind B2 · utility

41Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 2001
Grant dateAug 5, 2003
Priority date
Expiry dateNov 9, 2021

Classification

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

Abstract

An electric double layer capacitor including at least one pair of polarizable electrodes connected to current collectors, a separator made of ion-permeable but electron-insulating material interposed between the electrodes in each pair of electrodes, and a liquid electrolyte. According to the invention the electrodes include a layer of carbon particles having a narrow distribution of nanopores therein, the pore sizes of the nanopores being adapted to fit the ion sizes of the electrolyte. The invention also relates to a method of manufacturing such a supercapacitor.

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