Patent · US Expired

Lithium secondary battery

US5686138A · kind A · utility

21Cited by
11References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 1994
Grant dateNov 11, 1997
Priority date
Expiry dateJan 24, 2014

Classification

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

Abstract

Provided is a novel lithium secondary battery including a positive electrode including a compound capable of occluding and discharging lithium, a negative electrode composed mainly of a carbon material which includes a graphite as an only or as a principal component, a separator between the positive electrode and the negative electrode; and an electrolyte solution of an electrolyte solute dissolved in a solvent including at least one specific cyclic compound. The lithium secondary battery has a large capacity, small self-discharge rate and excellent cycle characteristics and high charge-discharge efficiency.

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