▎ 摘　　要

NOVELTY - Preparation of ultrafine crystalline graphite powder involves using microcrystalline graphite powder as raw material, dispersing microcrystalline graphite powder in water to form slurry, adding quantum dots of graphene, ball milling for 8-15 hours, filtering slurry and drying. USE - Preparation of ultrafine crystalline graphite powder. ADVANTAGE - The method enables simple and environmentally-friendly preparation of ultrafine crystalline graphite powder with low median diameter of 1 mu m and particle size. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for ultrafine crystalline graphite powder prepared by the method.