POROUS CARBON MATERIAL HAVING CORE-SHELL STRUCTURE, PREPARATION METHOD THEREOF, SULFUR-CARBON COMPOSITE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

The present disclosure provides a porous carbon material having a core-shell structure, which comprises a core comprising a structure formed by stacking carbon sheets, and a shell comprising carbon surrounding the core, and a preparation method thereof, a sulfur-carbon composite comprising the same, and a lithium secondary battery comprising the same.