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

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