▎ 摘　　要

NOVELTY - Preparation of graphene reinforced three-dimensional porous carbon self-supporting film involves formulating 50-200 g/l sodium carbonate, 10-50 g/l urea, and 10-50 g/l glucose into aqueous solution; uniformly coating aqueous solution on surface of electrolytic copper foil; drying to obtain precursor; passing protective gas in furnace; raising furnace temperature at 550-800 degrees C; putting precursor in furnace for 0.5-5.0 minutes; calcining product; soaking calcined product into ferric chloride hydrochloric acid etching solution; cleaning and removing etching solution; and drying. USE - Preparation of graphene reinforced three-dimensional porous carbon self-supporting film. ADVANTAGE - The method produces graphene reinforced three-dimensional porous carbon self-supporting film inexpensively and efficiently with large surface area, has improved active site, and has improved mechanical stability and conductivity. It has simple process, and has easy to obtain raw materials. DETAILED DESCRIPTION - Preparation of graphene reinforced three-dimensional porous carbon self-supporting film comprises selecting electrolytic copper foil; formulating 50-200 g/l sodium carbonate, 10-50 g/l urea, and 10-50 g/l glucose into aqueous solution; uniformly coating aqueous solution on surface of electrolytic copper foil; drying to obtain precursor; passing protective gas in furnace; raising furnace temperature at 550-800 degrees C; putting precursor in furnace for 0.5-5.0 minutes; calcining product after moving to low temperature zone under argon protection; cooling at room temperature; preparing ferric chloride hydrochloric acid etching solution; putting calcined product at room temperature in etching solution to remove salt template and copper foil to obtain film-like sample; cleaning and removing etching solution; and drying to obtain graphene reinforced three-dimensional porous carbon self-supporting film.