▎ 摘　　要

NOVELTY - An aluminum-based material comprises aluminum, graphene, activated metal, and salt, where mass percentage of graphene is 0-10 wt.%. USE - Aluminum-based material used for preparing hydrogen (claimed). ADVANTAGE - The method realizes continuous high-speed hydrolysis and has high conversion rate. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) preparation of the aluminum-base material comprising mixing aluminum powder, graphene, activated metal, and salt and milling under protection of argon gas atmosphere; and (2) preparation of hydrogen comprising subjecting aluminum-based material to hydrolysis and ultrasonically treating.