▎ 摘　　要

NOVELTY - Preparation of gold-reduced graphene oxide-nickel foam composite, involves dispersing graphene oxide in deionized water to form graphene oxide aqueous solution, immersing nickel foam in graphene oxide aqueous solution to obtain graphene oxide-nickel foam, immersing graphene oxide-nickel foam in aqueous solution of ascorbic acid to obtain reduced graphene oxide-nickel foam material, immersing reduced graphene oxide-nickel foam material in chloroauric acid solution, carrying out exchange reaction between trivalent gold ions and substrate nickel to obtain final product. USE - Method for preparing gold-reduced graphene oxide-nickel foam composite (claimed). DETAILED DESCRIPTION - Method for preparing gold-reduced graphene oxide-nickel foam composite, involves (1) dispersing graphene oxide in deionized water, forming 0.5-2 mg/mL concentration of graphene oxide aqueous solution, (2) ultrasonically cleaning nickel foam with acetone, ethanol and deionized water, drying, immersing nickel foam in graphene oxide aqueous solution, removing and drying, repeatedly immersing in graphene oxide aqueous solution, drying for several times to obtain graphene oxide-nickel foam, (3) immersing graphene oxide-nickel foam in aqueous solution of ascorbic acid with concentration of 10/3-10 mg/ml, heating to obtain reduced graphene oxide-nickel foam material, (4) immersing reduced graphene oxide-nickel foam material in solution of chloroauric acid with concentration of 5-10 mmol/l, ultrasonically processing, carrying out exchange reaction between trivalent gold ions and substrate nickel to obtain final product.