Patent · US Expired

Non-aqueous solvent mixture and non-aqueous electrolytic solution containing such mixture

US7402260B2 · kind B2 · utility

3Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2005
Grant dateJul 22, 2008
Priority date
Expiry dateDec 23, 2025

Classification

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

Abstract

A non-aqueous mixture solvent for a non-aqueous electrolytic solution to be used for electrochemical energy devices, which contains an aprotic solvent, and a fluorinated ketone of the formula:(wherein Rf1 and Rf2 each independently represents a fluorinated aliphatic group, or Rf1 and Rf2 together form a cyclic group, Q represents a fluorinated or non-fluorinated alkylene group or a bond, and n represents 0 or 1), and an electrolytic solution containing the mixture solvent.

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