▎ 摘　　要

NOVELTY - Splicing fragment-graphene oxide comprises e.g. adding the metal plate electrode into the prepared degreasing solution, degreasing at room temperature for 10-20 minutes, washing polishing agent remains on the surface of the polished metal plate with distilled water, adding the polished metal plate electrode after degreasing into the prepared graphene oxide solution at room temperaturefor 30-400 seconds, reducing the graphene oxide coating in the graphene oxide solution on the polished metal plate electrode and forms a polished metal sheet covering many layers of graphene, removing the polished metal plate covering many layers of graphene and drying, placing the dried polished metal plate covering many layers of graphene in a pre-formed reducing agent, carrying out secondary reduction to obtain unreduced graphene oxide supported on polished metal plate electrode and then washing the polished metal plate covering many layers of graphene in distilled water. USE - The method is useful for splicing fragment-graphene oxide. DETAILED DESCRIPTION - Splicing fragment-graphene oxide comprises (i) adding the metal plate electrode into the prepared degreasing solution, degreasing at room temperature for 10-20 minutes, (ii) washing polishing agent remains on the surface of the polished metal plate with distilled water, (iii) adding the polished metal plate electrode after degreasing into the prepared graphene oxide solution at room temperature, at a current density of 0.8-3.5 A/dm2 for 30-400 seconds, reducing the graphene oxide coating in the graphene oxide solution on the polished metal plate electrode and forms a polished metal sheet covering many layers of graphene, (iv) removing the polished metal plate covering many layers of graphene and drying, (v) placing the dried polished metal plate covering many layers of graphene in a pre-formed reducing agent, carrying out secondary reduction at 20-50 degrees C to obtain unreduced graphene oxide supported on polished metal plate electrode, and (vi) washing the polished metal plate covering many layers of graphene in distilled water, drying and then removing the reduced large pieces of graphene oxide that form the flakes to obtain final product.