| abstract |
The present invention provides a novel cathode material for Li-S battery, which is consisted of a dehydrogenized acrylonitrile copolymer, sulfur and carbon nanotubes, wherein the weight percentages of these components are as below: 20%≤dehydrogenized acrylonitrile copolymer ≤80%, 20%≤ sulfur ≤80%, 1%≤ carbon nanotubes ≤30%. Also provided are a cathode and a Li-S battery using said cathode material, as well as a method for preparing said cathode material. |