POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM-SULFUR BATTERY COMPRISING THE SAME AND MANUFACTURING METHOD THEREOF

A positive electrode according to the present disclosure comprises a sulfur-based material in an amount of 65 wt% or more based on a total 100 wt% of a positive electrode active material layer and has a porosity of 80 vol%, and thus may be used to provide a lithium-sulfur battery with high energy density.