▎ 摘　　要

NOVELTY - Preparing high specific surface area porous folded graphene comprises e.g. mixing graphene oxide solution and water-soluble nitrogen-containing compound, reacting under 0-100 degrees C for 0.1-24 hours, adding pore-forming agent, mixing uniformly to obtain the mixed solution, subjecting mixture to ultrasonic atomization, heating under 100-600 degrees C to obtain graphene oxide/pore forming material powder particles, and hot processing the graphene oxide/pore forming material powder particles under inert gas protection to obtain high specific surface area porous graphene wrinkles. USE - The method is useful for Preparing high specific surface area porous folded graphene. ADVANTAGE - The porous folded graphene has 1000-2000 m2/g specific surface area. The method maintains topography of folded graphene. DETAILED DESCRIPTION - Preparing high specific surface area porous folded graphene comprises (1) mixing graphene oxide solution and water-soluble nitrogen-containing compound, where the concentration of the graphene oxide solution is 0.1-5 mg/ml, the water soluble nitrogen-containing compound is aqueous ammonia, ethylene diamine, aniline, triethylene tetramine or tetraethylenepentamine, the water-soluble nitrogen-containing compound the and graphene oxide mass ratio is 1:10-100:1, reacting under 0-100 degrees C for 0.1-24 hours, adding pore-forming agent, mixing uniformly to obtain the mixed solution, where the pore-forming agent is sodium hydroxide, potassium hydroxide or potassium carbonate, and the mass ratio of graphene oxide and the pore-forming agent is 1:1-1:5, (2) subjecting mixture to ultrasonic atomization, heating under 100-600 degrees C to obtain graphene oxide/pore forming material powder particles, and (3) hot processing the graphene oxide/pore forming material powder particles under inert gas protection to obtain high specific surface area porous graphene wrinkles, where hot processing temperature is 400-1100 degrees C.