▎ 摘　　要

NOVELTY - Preparing graphene-coated mesoporous silicon microsphere cathode material comprises mixing silicon dioxide microspheres coated with graphene on the surface and reducing metals, reacting in a protective atmosphere at 600-800 degrees C for 4-12 hours, and washing. USE - The method is useful for preparing graphene-coated mesoporous silicon microsphere cathode material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene-coated mesoporous silicon microsphere cathode material, prepared as mentioned above.