Patent · US Expired

Ultracapacitor electroyte

US6256190A · kind A · utility

11Cited by
16References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 1998
Grant dateJul 3, 2001
Priority date
Expiry dateSep 29, 2018

Classification

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

Abstract

The invention relates to an ultracapacitor and to a method of making an ultracapacitor. The ultracapacitor of the invention includes two solid, nonporous current collectors, two porous electrodes separating the collectors, a porous separator between the electrodes and an electrolyte occupying the pores in the electrodes and separator. The electrolyte includes a cyclic carbonate solvent, a cyclic ester solvent and an electrolyte salt. The invention also relates to a stack of ultracapacitor cells.

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