▎ 摘　　要

NOVELTY - Preparing fluorine-doped graphene-supported copper(II) oxide composite material comprises (1) dissolving graphene oxide in water, ultrasonically dispersing to form a dispersion, placing the dispersion in an ice-water bath low temperature environment and adding trifluoroacetic acid, uniformly mixing, transferring the mixed solution to high temperature environment of 120-180degreesC for 10-30 hours, reacting, after the reaction, washing the obtained solid using distilled water, drying and grinding to obtain fluorine-doped graphene, (2) adding obtained fluorine-doped graphene into a solvent, and (3) placing the obtained intermediate product in a nitrogen atmosphere, heating to 380-420degreesC, calcining at this temperature for 1-3 hours, and obtaining fluorine-doped graphene-supported copper(II) oxide composite material. USE - The composite material is useful in catalytic thermal decomposition (claimed). ADVANTAGE - The method: enables the loaded metal nanoparticles to be loaded on graphene with controllable morphology and uniform distribution; enhances the ability of the dispersed nanoparticles to promote electron transfer in the reaction process; and improves the heat transfer performance to achieve the purpose of improving and stabilizing the burning speed of solid fuel in the combustion process and reducing the pressure index. DETAILED DESCRIPTION - Preparing fluorine-doped graphene-supported copper(II) oxide composite material comprises (1) dissolving graphene oxide in water, ultrasonically dispersing to form a dispersion, placing the dispersion in an ice-water bath low temperature environment and adding trifluoroacetic acid, uniformly mixing, transferring the mixed solution to high temperature environment of 120-180degreesC for 10-30 hours, reacting, after the reaction, washing the obtained solid using distilled water, drying, and grinding to obtain fluorine-doped graphene, (2) adding obtained fluorine-doped graphene into a solvent, ultrasonically dispersing to form a dispersion, adding copper nitrate to the dispersion, mixing and heating to 40-60degreesC, adding excess hydrazine hydrate for stirring, continuing heating up to 80-120degreesC and keeping the temperature for 1-3 hours, waiting for the solution to cool to room temperature, washing, and drying to obtain an intermediate product, and (3) placing the obtained intermediate product in a nitrogen atmosphere, heating to 380-420degreesC, calcining at this temperature for 1-3 hours, and obtaining fluorine-doped graphene-supported copper(II) oxide composite material. An INDEPENDENT CLAIM is also included for fluorine-doped graphene-supported copper(II) oxide composite material prepared by the above preparation method.