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
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United States of America Patent
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Sep 26, 2017
Grant Date -
Oct 22, 2015
app pub date -
Nov 30, 2012
filing date -
Nov 30, 2012
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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.
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