| abstract |
The present invention relates to a ceria-carbon-sulfur (CeO2-C-S) composite, a method for preparing same, and a positive electrode for a lithium-sulfur battery and a lithium-sulfur battery comprising same, the composite comprising: a ceria-carbon (CeO2-C) composite in which cylindrical carbon materials having ceria (CeO2) particles bonded to the surface thereof are intertwined and interconnected in three dimensions; and sulfur introduced into at least a part of the outer surface and the interior of the ceria-carbon composite. |