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
Assignees
Inventors
Key dates
| Filing date | Nov 30, 2012 |
| Grant date | Sep 26, 2017 |
| Priority date | — |
| Expiry date | Nov 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.