Patent · US Active

Lithium secondary battery

US9905887B2 · kind B2 · utility

5Cited by
0References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 2013
Grant dateFeb 27, 2018
Priority date
Expiry dateApr 4, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49115
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to a secondary battery cg a positive electrode capable of absorbing and releasing lithium, and a electrolyte solution containing a non-aqueous electrolytic solvent, wherein the positive electrode has a positive electrode active material which operates at 4.5 V or more relative to lithium, and wherein the non-aqueous electrolytic solvent contains a sulfone compound represented by a predetermined formula and a fluorinated ether compound represented by a predetermined formula.

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