▎ 摘　　要

NOVELTY - Cathode material, comprises hard carbon particles, the hard carbon particles have a porous structure, and the hard carbon particles include sulfur-containing substances. The cathode material also includes graphene, and the graphene is located between the hard carbon particles. USE - The cathode material is used in rechargeable battery (claimed). ADVANTAGE - The cathode material: has excellent conductivity and electrochemical activity, which can obviously improve the specific capacity and cycle performance of the battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing cathode material.