Patent · US Active

Non-aqueous electrolytic solution

US8871384B2 · kind B2 · utility

10Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 2008
Grant dateOct 28, 2014
Priority date
Expiry dateOct 9, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

There is provided a non-aqueous electrolytic solution comprising an electrolyte salt, a specific fluorine-containing solvent and a fluorine-containing cyclic carbonate represented by the formula (A1):wherein X1 to X4 are the same or different and each is —H, —F, —CF3, —CHF2, —CH2F, —CF2CF3, —CH2CF3 or —CH2OCH2CF2CF3; at least one of X1 to X4 is —F, —CF3, —CF2CF3, —CH2CF3 or —CH2OCH2CF2CF3, and the non-aqueous electrolytic solution has further excellent noncombustibility and is suitable for lithium secondary batteries.

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