▎ 摘　　要

NOVELTY - A graphene powder continuous discharge preparation method comprises passing inert gas into microwave plasma chemical vapor deposition system, generating plasma, passing carbon source, performing graphene powder vapor phase growth, stopping inletting carbon source, introducing etching agent, etching, and repeating steps. USE - The graphene powder continuous discharge preparation method. ADVANTAGE - The product has quality and purity, has low oxygen content, and has average size of 300 nm. The method is suitable for continuous and batch preparation. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for microwave plasma chemical vapor deposition system.