▎ 摘　　要

NOVELTY - A black lead structure comprises graphene layer(s) covering hollow graphite structure. USE - Black lead structure is used for forming film, electrode composition for lithium ion secondary battery, hydrogen storage unit, super-capacitor and integrated chip (all claimed). ADVANTAGE - The black lead structure is prepared efficiently and economically. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of black lead structure, which involves forming carbon layer using carbon source.