SULFUR-CARBON COMPOSITE, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

摘要

The present invention relates to a sulfur-carbon composite comprising a porous carbon material and sulfur in at least a portion of the inside and the surface of the porous carbon material, a preparation method thereof, and a positive electrode for a lithium secondary battery and a lithium secondary battery comprising same.