Patent · US Active

Electrolyte additives for lithium sulfur rechargeable batteries

US9160036B2 · kind B2 · utility

75Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2013
Grant dateOct 13, 2015
Priority date
Expiry dateJan 24, 2034

Classification

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

Abstract

An electrolyte solution for a lithium sulfur battery contains a lithium oxalatoborate compound in a 0.05-2 M solution in conventional lithium sulfur battery electrolyte solvents, optionally with other lithium compounds. Examples of solvents include dimethoxyethane (DME), dioxolane, and triethyleneglycol dimethyl ether (TEGDME). Electrochemical cells contain a lithium anode, a sulfur-containing cathode, and a non-aqueous electrolyte containing the lithium oxalatoborate compound. Lithium sulfur batteries contain a casing enclosing a plurality of the cells.

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