▎ 摘　　要

NOVELTY - Preparing self-shaped phosphorus-doped redox graphene aerogel catalyst, comprises (i) dispersing graphene oxide in deionized water to obtain graphene oxide dispersion, (ii) adding phosphoric acid into the graphene oxide dispersion obtained in step (i), mixing uniformly, and performing a hydrothermal reaction at 150-180degrees Celsius for 6-20 hours, and cooling to room temperature to obtain a phosphorus-doped graphene oxide hydrogel, and (iii) washing and freeze-drying the phosphorus-doped graphene oxide hydrogel obtained in step (ii), calcining at 800-1000degrees Celsius for 30-120 minutes under nitrogen atmosphere, and cooling to room temperature to obtain final product. USE - The self-shaped phosphorus doped redox graphene aerogel catalyst is useful for electrochemically reducing carbon dioxide to produce ethanol (claimed). ADVANTAGE - The catalyst: is self-supporting catalyst, and achieves the reduction at low potential. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for self-shaped phosphorus-doped redox graphene aerogel catalyst is prepared by above method.