▎ 摘　　要

NOVELTY - Preparation of nitrogen-containing graphene material, involves using chitosan as raw material, heating chitosan at 400-900 degrees C under nitrogen atmosphere for 0.5-2 hours, slowly cooling to 25-35 degrees C to obtain pre-carbonized products, mixing pre-carbonized product with control aggregate such as aluminum nitrate, potassium hydroxide and zinc nitrate, the weight ratio of pre-carbonized product and control aggregate is 1:(1-4), heating at 400-500 degrees C under nitrogen atmosphere for 1-2 hours, heating at 900-1100 degrees C for 0.5-2 hours and cooling to room temperature. USE - Preparation of nitrogen-containing graphene material. ADVANTAGE - The method enables preparation of nitrogen-containing graphene material by simple, economical, safe and environmentally-friendly process.