▎ 摘　　要

NOVELTY - Quick hydrothermal synthesis of graphene-supported nickel nanoparticle composite, involves adding graphene oxide and nickel salt to a solvent, ultrasonically mixing, adding alkali liquid and hydrazine hydrate, ultrasonically mixing, hydrothermally reacting, centrifuging, and washing collected product. USE - Quick hydrothermal synthesis of graphene-supported nickel nanoparticle composite (claimed). ADVANTAGE - The method enables simple, quick and convenient medium-scale industrial hydrothermal synthesis of graphene-supported nickel nanoparticle composite with high purity and excellent dimensional stability.