Patent · US Expired

Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same

US7229718B2 · kind B2 · utility

15Cited by
1References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 2003
Grant dateJun 12, 2007
Priority date
Expiry dateJan 3, 2025

Classification

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

Abstract

Disclosed is an electrolyte for a rechargeable lithium battery including 5 to 40 volume % of at least one fluorine-substituted ether compound represented by R1—O—R2 (wherein R1 and R2 are alkyl groups substituted with fluorine), having a substitution ratio of hydrogen with fluorine of 57 to 86%, a viscosity of 0.9 to 2.3 cp, and a boiling point of at least 88° C., and 60 to 90 volume % of a non-aqueous organic solvent having a flash point of at least 80° C.

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