▎ 摘　　要

NOVELTY - The material has graphene material part contained with nanophase sulfur granule. Diameter of the graphene material part is about 50 micrometer. Size of the nanometre sulfur granule is about 5 to 100nm. USE - Lithium ion secondary battery anode material for a lithium ion secondary battery (claimed). ADVANTAGE - The material improves power multiplying property of a battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a lithium ion secondary battery anode material preparation method. DESCRIPTION OF DRAWING(S) - The drawing shows a photograph of a lithium ion secondary battery anode material.