▎ 摘　　要

NOVELTY - Preparing porous titanium carbide MXene/reducing graphene oxide-based conductive ink, comprises e.g. (i) grinding graphite powder and titanium aluminum carbide powder, mixing and pressing, (ii) fixing working electrode in electrolytic cell, adding electrolyte to immerse working electrode and centrifuging the electrolyte to collect the precipitate, (iii) dissolving titanium carbide/graphite oxide material in isopropanol, subjecting to ultrasonic probe, then centrifuging isopropanol-containing titanium carbide/graphite oxide material, collecting the precipitate, immersing precipitate in reducing reagent and then centrifuging, dispersing in the first dispersant and ultrasonic water bath, (iv) mixing particulate powder and second dispersant and adding resin, and (v) mixing particulate resin slurry, titanium carbide MXene/reducing graphene oxide dispersion liquid, polyacrylonitrile-maleic anhydride copolymer and stabilizer, then transferring into a protective gas environment and stirring. USE - The method is useful for preparing porous titanium carbide MXene/reducing graphene oxide-based conductive ink. DETAILED DESCRIPTION - Preparing porous titanium carbide MXene/reducing graphene oxide-based conductive ink, comprises (i) taking graphite powder and titanium aluminum carbide powder, grinding the graphite powder and titanium aluminum carbide powder to fineness of more than 200 meshes and mixing graphite powder and titanium aluminum carbide powder and pressing to form working electrode, where the mass ratio between graphite powder and titanium aluminum carbide powder is 1-10:1, (ii) fixing the working electrode in electrolytic cell, adding electrolyte into the electrolytic cell to immerse the working electrode in the electrolyte, taking the working electrode as anode and applying voltage to ionize the fluorine-containing anion liquid to generate fluorine free radicals, finishing the electrolysis, then centrifuging the electrolyte to collect the precipitate to prepare titanium carbide/graphite oxide material, where the electrolyte is fluorine-containing anion liquid as etching agent, (iii) dissolving titanium carbide/graphite oxide material in isopropanol based on mass-volume ratio of 50-500 mg/ml, subjecting the isopropanol containing titanium carbide/graphite oxide material to ultrasonic probe, then centrifuging the isopropanol-containing titanium carbide/graphite oxide material at 8000-15000 revolutions/minute for 10-30 minutes, collecting the precipitate, immersing the precipitate in reducing reagent to reduce and then centrifuging, collecting the precipitate, drying, dispersing the dried precipitate in the first dispersant and performing ultrasonic water bath to obtain titanium carbide MXene/reducing graphene oxide dispersion liquid, (iv) mixing particulate powder and second dispersant and adding resin into the second dispersant while stirring the second dispersant to obtain particulate resin slurry, where the diameter of the particulate powder is 0.1-1 mu m, the concentration of the particulate powder is 10-100 mg/ml and the concentration of the resin is 50-500 mg/ml, and (v) mixing the particulate resin slurry, titanium carbide MXene/reducing graphene oxide dispersion liquid, polyacrylonitrile-maleic anhydride copolymer and stabilizer based on mass ratio of 500:1000-10000:1-50:5-20, then transferring into a protective gas environment and stirring at constant temperature of 65-85 degrees C until the volume is concentrated to 1/2-1/6 to obtain final product, where the titanium aluminum carbide powder is Ti3AlC2 powder or Ti2AlC powder, and the particulate powder is carbonate powder or metal oxide powder. An INDEPENDENT CLAIM is also included for porous titanium carbide MXene/reducing graphene oxide-based conductive ink prepared by above method.