▎ 摘　　要

NOVELTY - The one-step hydrothermal method for preparing nitrogen-doped porous graphene, involves preparing aqueous solution of graphene oxide, adding porogen and nitrogen source to the aqueous solution of graphene oxide, mixed evenly, and performing hydrothermal reaction to obtain nitrogen-doped porous graphene. USE - One-step hydrothermal method for preparing nitrogen-doped porous graphene used for electro-catalysis, supercapacitors, lithium-ion batteries and organic catalysis applications. ADVANTAGE - The nitrogen-doped porous graphene is prepared by a simple process at low production costs under mild reaction conditions with low equipment requirements. The prepared nitrogen-doped porous graphene has large specific surface area and excellent catalytic performance.