▎ 摘　　要

NOVELTY - A three-dimensional graphene/carbon nanotube super light structure is prepared by soaking three-dimensional graphene foam into adding catalyst precursor solution, drying, vacuuming, pumping hydrogen, opening plasma source, applying power, regulating hydrogen flow rate, adding carbon hydrocarbon carbon source, reacting. USE - Method for preparing three-dimensional graphene/carbon nanotube super light structure (claimed). ADVANTAGE - The method is simple, low-cost, environment-friendly, short, has high product yield and suitable for industrialization.