▎ 摘　　要

NOVELTY - Preparation of hollow platinum (Pt)/nickel (Ni) alloy and graphene composite aerogel comprises subjecting 11-13 nm hollow Pt/Ni alloy to chemical reduction method using ultrasonic and reflux reaction, and performing self-assembly process into graphene oxide sheet. USE - Method for preparation of hollow platinum/nickel alloy and graphene composite aerogel (claimed). ADVANTAGE - Then method is simple, achieves small size, uniform size distribution and unique structure product, restores transition metal into nanoparticles, restores platinum ions, and it has low cost and very short reaction time.