▎ 摘 要
NOVELTY - Manufacture of graphene involves preparing expanded graphene, mixing with metal ion hydrate, heating expanded graphite such that metal ion is inserted in the interlayer of expanded graphene, and removing inserted metal ion from interlayer of expanded graphene. USE - Manufacture of graphene (claimed). ADVANTAGE - The method economically and efficiently provides graphene. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for graphene.