▎ 摘　　要

NOVELTY - Preparing three-dimensional graphene material, comprises (i) adding ammonia into aqueous graphene oxide solution, adjusting pH to 9-12, and making the concentration of graphene oxide adjusted by aqueous ammonia to 3-10 mg/ml, (ii) uniformly dispersing the ammonia-modified graphene oxide solution prepared in step (i) by ultrasonically, and then contacting with organic solvent, and (iii) shelving and aging the reaction mixture, and removing the organic solvent to obtain final product. USE - The three-dimensional graphene material is useful in charge storage, pollutant adsorption, and microwave absorption fields. ADVANTAGE - The method: has low cost, and low energy consumption.