Patent · US Active

Electrochemical energy storage device

US8148017B2 · kind B2 · utility

3Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 2007
Grant dateApr 3, 2012
Priority date
Expiry dateMay 20, 2029

Classification

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

Abstract

An electrochemical energy storage device includes a negative electrode which contains a carbon material and has a negative electrode potential of 1.4 V or less relative to a lithium reference when being charged, and a non-aqueous electrolyte solution prepared by dissolving a lithium salt, an ammonium salt, and at least one kind of fluorinated benzene selected among hexafluorobenzene, pentafluorobenzene, 1,2,3,4-tetrafluorobenzene, 1,2,3,5-tetrafluorobenzene, 1,2,4,5-tetrafluorobenzene and 1,2,3-trifluorobenzene, in a non-aqueous solvent.

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