Patent · US Expired

Perfluoroalkylsulfonates, sulfonimides, and sulfonyl methides, and electrolytes containing them

US5514493A · kind A · utility

68Cited by
16References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1995
Grant dateMay 7, 1996
Priority date
Expiry dateMar 6, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrolyte composition that includes a salt disposed in a matrix in which the salt has a formula selected from the group consisting of ##STR1## in which X.sup.- is --O.sup.-, --N.sup.- SO.sub.2 R.sub.f.sup.3, or ##STR2## Z is --CF.sub.2 --, --O--, --NR.sub.f.sup.8 --, or --SF.sub.4 --; R.sub.f.sup.1 and R.sub.f.sup.2, independently, are --CF.sub.3, --C.sub.m F.sub.2m+1, or --(CF.sub.2).sub.q --SO.sub.2 --X.sup.- M.sup.+ ; R.sub.f.sup.3, R.sub.f.sup.4, and R.sub.f.sup.5, independently, are --CF.sub.3, --C.sub.mf.sub.2m+1, --(CF.sub.2).sub.q --X.sup.- M.sup.+, ##STR3## R.sub.f.sup.8 is --CF.sub.3, --C.sub.m F.sub.2m+1, or --(CF.sub.2).sub.q --SO.sub.2 --X.sup.- M.sup.+ ; R.sub.f.sup.6 and R.sub.f.sup.7, independently, are perfluoroalkylene moieties having the formula --C.sub.r F.sub.2r ; n is 1-4; r is 1-4; m is 1-12; q is 1-4; and M.sup.+ is a counterion.

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