▎ 摘　　要

NOVELTY - An amine-functionalized graphene oxide supported non-noble metal nano-catalyst comprises active component composed of nickel and copper, and amine-functionalized graphene oxide structure. The catalyst is composed of nickel-copper/dodecyl amine functionalized graphene oxide. The molar ratio of nickel and copper is 1:(0.2-0.6). The catalyst contains homogeneous alloy particles with particle size of 10-80 nm. USE - Amine-functionalized graphene oxide supported non-noble metal nano-catalyst (claimed). ADVANTAGE - The amine-functionalized graphene oxide supported non-noble metal nano-catalyst has scientific and reasonable homogeneous structure, excellent electronic and structural synergy between the metals and carrier, and improved catalytic performance. DETAILED DESCRIPTION - Amine-functionalized graphene oxide supported non-noble metal nano-catalyst comprises active component composed of nickel and copper, and amine-functionalized graphene oxide structure. The catalyst is composed of nickel-copper (Ni-Cu)/dodecyl amine (DA) functionalized graphene oxide (GO) (DA-GO). The molar ratio of nickel and copper is 1:(0.2-0.6). The catalyst contains homogeneous alloy particles with particle size of 10-80 nm. An INDEPENDENT CLAIM is included for preparation of amine-functionalized graphene oxide supported non-noble metal nano-catalyst, which involves (S1) adding graphene oxide to water at room temperature, ultrasonically processing and dispersing to obtain 0.8-1.2 mg/ml graphene oxide dispersion, adding diamine reagent to mixed solvent of acetone and ether, ultrasonically processing to form 0.5-1.0 mol/l concentration of diamine solution, dripping diamine solution to an equal volume of graphene oxide dispersion, stirring, reacting for 40-50 hours, grafting the diamine onto the graphene oxide surface to obtain dark gray colored dodecyl amine functionalized graphene oxide suspension, (S2) centrifuging dodecyl amine functionalized graphene oxide suspension at room temperature and 7500-10000 rpm, decanting to obtain dark gray solid particles, washing with water for multiple times, removing the dodecyl amine functionalized graphene oxide dark gray powder, vacuum drying at 40-60 degrees C for 5-8 hours, storing in a vacuum dryer, (S3) adding 0.5-1.5 wt.% concentration of polyvinylpyrrolidone aqueous solution at room temperature, adding soluble nickel and copper salts, ultrasonically dispersing for 10-30 minutes, adding 1 mg/ml dodecyl amine functionalized graphene oxide dark gray powder, continuously processing for 2-6 hours, bonding the metal ions and dodecyl amine functionalized graphene oxide to obtain binary metal precursor suspension, (S4) transferring the binary metal precursor suspension to closed reactor, introducing nitrogen, adding reducing agent, heating at 40-70 degrees C, continuously stirring, reacting for 3-5 hours, fully reducing metal ions and graphene oxide to obtain nickel-copper/dodecyl amine functionalized graphene oxide nano-catalyst suspension, (S5) centrifuging at room temperature and 7500-10000 rpm, washing with ethanol-acetone mixed solvent for 3-5 times, removing the dark gray powder and vacuum drying at 30-50 degrees C for 3-6 hours to obtain final product. The molar ratio of nickel and copper is 1:(0.2-0.6). The total amount of metal ions is 0.1 mol/L. The mass ratio of reducing agent and metal ions composed of nickel ion and copper ion is (1.1-1.5):1.