▎ 摘　　要

NOVELTY - Preparation of nitrogen-doped graphene nano-composite material involves mixing zinc chloride, graphene suspension liquid, sodium-selenium oxide solution, hydrazine hydrate, diethylenetriamine and deionized water with polyol and heating at 160-200 degrees C for 24-96 hours. USE - Preparation of nitrogen-doped graphene nano-composite material (claimed). ADVANTAGE - The method efficiently and economically provides nitrogen-doped graphene nano-composite material using simple process.