▎ 摘　　要

NOVELTY - Preparation of a nitrogen-doped graphene/ferrite/polyaniline nano-composite material, involves: 1) taking graphite oxide in water ultrasonic dispersion; 2) adding ferric nitrate and nickel nitrate to dispersion, stirring; 3) adding urea, stirring to make the dispersion uniformity; 4) reacting mix solution at 100-200 degrees C; 5) centrifugally separating and obtaining nitrogen-doped graphite alkene/ferrite composite material; 6) adding aniline monomer to dispersion; 7) transforming doped acid and initiator liquid in ice water bath; and 8) separating/washing/drying the obtained material. USE - For preparation of a nitrogen-doped graphene/ferrite/polyaniline nano-composite material (claimed). ADVANTAGE - The method has high production cost, reaction condition is strict, yield is low, obtain nitrogen doped graphene and graphene, increase the conductivity, is good for large scale production at low cost, is non-toxic, improves defect, and obtain electrochemical property of excellent electrode material. DETAILED DESCRIPTION - Preparation of a nitrogen-doped graphene/ferrite/polyaniline nano-composite material, where nitrogen-doped graphene and ferrite with polyaniline has mass ratio of 1:1:1:1:10:22, involves: 1) taking the graphite oxide in water ultrasonic dispersion, where the dispersion is in uniform graphene oxide solution; 2) adding the ferric nitrate and nickel nitrate to the dispersion, stirring to completely dissolve; 3) adding urea obtained in mixing system, and then stirring to make the dispersion uniformity, where mass ratio of urea to graphite oxide is 100:1 to 200:1; 4) mixing uniformity of the mix solution in a three-neck bottle, reacting at 100-200 degrees C; 5) separating by centrifugal separation, and multi-washing, obtaining nitrogen-doped graphite alkene/ferrite nanometer composite material, and re-dispersing the nitrogen-doped graphite alkene/ferrite nanometer composite material in the deionized water; 6) adding aniline monomer to the dispersion, and continuously stirring aniline monomer and the nitrogen-doped graphite alkene/ferrite, fully mixing; 7) transforming doped acid and initiator liquid in ice bath condition reaction; and 8) separating the obtained product by centrifugal separation, washing and drying the rear nitrogen-doped graphite alkene/ferrite/polyaniline nanocomposite material.