▎ 摘　　要

NOVELTY - Graphene oxide wrapped metal nitride nanobelt comprises metal nitride nano-belt and metal nitride, where metal nitride nano belt bandwidth is 100-500 nanometer and length is 10-60 micron, and the metal nitride is selected from molybdenum nitride, titanium nitride or vanadium nitride. The surface of the metal nitride nano-belt has uniform distribution of holes. The outside surface of the metal nitride nano-belt is crimped with graphene stacked tubular structures. USE - Graphene oxide wrapped metal nitride nanobelt used as supercapacitor (claimed). ADVANTAGE - The graphene oxide wrapped metal nitride nanobelt improves the specific surface area of material, supplies the electrolyte in one dimensional channel, and has good electrochemical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene oxide wrapped metal nitride nanobelt, which involves: (A) preparing metal oxide precursor nanobelt; (B) weighing 20-200 mg of metal oxide precursor nanobelt and then drying the obtained material; (C) stirring the dried material in distilled water and then stirring the dispersed material; (D) adding diallyl dimethyl ammonium chloride solution and then stirring after centrifuging for 5-60 minutes; (E) taking 5-100 ml of 1 mg/ml graphene oxide dispersion liquid prepared by Hummer method; (F) adding centrifuged metal oxide precursor nanobelt concentrate liquid with graphene oxide dispersion liquid; (G) stirring the obtained material after uniform dispersing and drying to obtain reductive graphene belt; (H) covering graphene belt with metal nitride nanobelt film and then drying the film to remove; and (I) performing annealing treatment in ammonia atmosphere 400-1200 degrees C.