Patent · US Active

Cathode material for a Li—S battery and the method for preparing the same, a cathode made of the cathode material and a Li—S battery comprising the cathode

US9773581B2 · kind B2 · utility

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Key dates

Filing dateNov 30, 2012
Grant dateSep 26, 2017
Priority date
Expiry dateNov 30, 2032

Classification

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

Abstract

The present invention provides a cathode material for a Li—S battery. The cathod material comprises dehydrogenized acrylonitrile based polymer, sulfur and GNS (Graphene NanoSheet), wherein the cathode material particles are spherical, the content of dehydrogenized acrylonitrile based polymer is 20-79 wt %, the content of sulfur is 20-79 wt % and the content of GNS is 1-30 wt %. Also provided a method for preparing a cathode material, a cathode made of the cathod material and a Li—S battery comprising the cathode.

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