▎ 摘　　要

NOVELTY - Sulfide mineral-based composite material comprises sulfide mineral and graphene. USE - The material is useful as high performance battery material (claimed). ADVANTAGE - The method: is simple, economical and is suitable for large-scale industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing sulfide mineral-based composite material comprising (i) preparing graphene suspension, (ii) mixing the sulfide mineral with the graphene suspension, (iii) freezing and drying the mixed sample, (iv) roasting the sample after freezing and drying, and (v) processing the sample under microwave after roasting.