▎ 摘　　要

NOVELTY - Preparation of graphene aerogel noble metal catalyst involves taking porous graphene aperture by Hummers method to prepare graphene oxide powder; adding graphene oxide powder, mixing with pure water by ultrasonic dispersion, and mechanically stirring to obtain 4-8 mg/mL oxidized graphene water solution; mixing graphene oxide liquid oxidized graphene water solution with noble metal salt, preserving temperature, and reacting; mixing mixed solution into reducing agent L-ascorbic acid, stirring, and carrying out hydrothermal reaction to obtain noble metal graphene hydrogel; and freezing. USE - Method for preparing graphene aerogel noble metal catalyst. ADVANTAGE - The method has simple preparation technique, and good economic benefit. DETAILED DESCRIPTION - Preparation of graphene aerogel noble metal catalyst comprises taking porous graphene aperture by Hummers method to prepare graphene oxide powder; adding graphene oxide powder, mixing with pure water by ultrasonic dispersion, and mechanically stirring to obtain 4-8 mg/mL oxidized graphene water solution; mixing graphene oxide liquid oxidized graphene water solution with noble metal salt, preserving temperature, and reacting; mixing mixed solution into reducing agent L-ascorbic acid, stirring, and carrying out hydrothermal reaction to obtain noble metal graphene hydrogel; and freezing, and drying to remove solvent.