▎ 摘　　要

NOVELTY - Preparation of nano-silicon-filled multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material composite comprises adding nano-silicon dioxide in ethanol solution, ultrasonically processing, preparing nano-silica ethanol solution, adding into multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material, mechanically stirring, uniformly mixing such that part of nano-silicon enters into multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material nano-holes, centrifuging, magnetically separating and drying to obtain the product. USE - Preparation of nano-silicon-filled multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material composite (claimed) used as electrode material and energy storage material. DETAILED DESCRIPTION - Preparation of nano-silicon-filled multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material composite comprises adding nano-silicon dioxide in ethanol solution, ultrasonically processing, preparing nano-silica ethanol solution, adding into multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material, mechanically stirring, uniformly mixing such that part of nano-silicon enters into multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material nano-holes, centrifuging such that nano-silicon is sputtered into the multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material nano-holes, magnetically separating the nano-silicon-filled multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material composite from excess nano-silica ethanol solution, and drying to obtain the product. An INDEPENDENT CLAIM is included for nano-silicon-filled multilayer graphene-multi-wall carbon nanotube three-dimensional carbon material composite comprising carbon nanotube having diameter of 50-80 cm, nano-silicon having particle diameter of less than 60 nm, where carbon nanotube surface approaches the vertical multilayer graphene growth, uniform diameter, and uniform distribution, and there is a gap between the carbon nanotube and nano-silicon particles, where gap is uniformly filled with nano-air adsorbed by carbon nanotube surface.