Patent · US Expired

Polyfluorinated boron cluster anions for lithium electrolytes

US7348103B2 · kind B2 · utility

13Cited by
15References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 2004
Grant dateMar 25, 2008
Priority date
Expiry dateFeb 8, 2025

Classification

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

Abstract

The present invention relates to an improvement in lithium secondary batteries comprised of a negative electrode, a positive electrode, a separator, and a lithium-based electrolyte carried in an aprotic solvent and to the electrolyte compositions. The improvement resides in the use of a lithium salt of the formula:Li2B12FxZ12-xwherein x greater than or equal to 4 and Z represents H, Cl, and Br.

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