▎ 摘　　要

NOVELTY - Molybdenum disulfide/graphene/carbon composite material comprises composite nano fibers of diameter 60-500 nm, where the composite nano fiber includes 3-35 wt.% molybdenum disulfide, 0.2-10 wt.% graphene, 60-95 wt.% carbon, and multi-stage pore structure distributed along axial direction. USE - The molybdenum disulfide/graphene/carbon composite material is useful in the fields of e.g. lithium ion battery anode materials, super capacitor electrode materials, water electrolysis hydrogen production catalytic materials, and mercury adsorption materials (claimed). ADVANTAGE - The composite material has high specific surface area, developed pore structure, controllable pore size and structure, and wide application. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for the preparation of molybdenum disulfide/graphene/carbon composite material comprising (i) providing 0.6-1.5 g polyacrylonitrile, 0.5-1.2 g polyvinylpyrrolidone, 0.2-1 g ammonium tetrathiomolybdate, and 0.05-0.2 g graphene, stirring and dissolving in 10-16 g dimethylformamide, and filtering using 400 meshes stainless steel mesh for use, (ii) providing certain amount of solution for electrostatic spinning to obtain composite fiber film, (iii) placing the composite fiber film in tubular furnace under nitrogen/hydrogen mixed atmosphere, heating at 380-450 degrees C for 1-6 hours with a heating rate of 2-6 degrees C/minute, cooling to room temperature, and taking out, where the volume ratio of nitrogen and hydrogen is 9:1, (iv) preparing potassium hydroxide saturated solution, carrying out dipping treatment, placing the composite fiber film in potassium hydroxide saturated solution according to ratio, performing ultrasonic treatment for 1 hour, allowing to stand for 48 hours, and vacuum drying for 8 hours, where the mass ratio of composite fiber film and potassium hydroxide in dipping treatment is 1:0.4-10, and (v) placing the composite fiber film in tubular furnace, heating at 750-850 degrees C with a heating rate of 2-10 degrees C/minute under argon atmosphere, activating at high temperature for 1-16 hours, cooling to room temperature, taking out, washing using diluted hydrochloric acid solution, and vacuum drying for 10 hours to obtain the molybdenum disulfide/graphene/carbon composite with multi-level pore structure.