Boron and nitrogen codoped mesoporous carbon based catalyst as well as preparation method and application thereof
A mesoporous carbon and co-doping technology, applied in electrodes, electrolysis process, electrolysis components, etc., can solve the problems of high price of diamond, limit the application of boron-doped diamond electrodes, etc., and achieve simple operation, low cost, and raw material conversion rate. high effect
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[0036] Example 1:
[0037] Preparation of catalyst based on mesoporous carbon co-doped with boron and nitrogen:
[0038] (1) Dissolve 2.0g block copolymer P123, 0.2g boron oxide and 0.2g melamine in 20g methanol, add 10g phenolic resin, add 15g N-butylpyridine tetrafluoroborate, and stir for 30min at room temperature After volatilizing methanol for 5 hours, place the composite in a 50°C normal pressure oven for 12 hours and then cure in a 100°C normal pressure oven for 12 hours to obtain a cured product;
[0039] (2) The cured product obtained in step (1) is ball milled. The method is: put the cured product into a ball milling tank, and add 6 small balls (2 diameters of 1.2 cm, 2 diameters of 0.7 cm, 2 diameters of 0.5 cm) , Grind for 0.5h at a rotation speed of 50r / min and a revolution speed of 100r / min to obtain a powdery product;
[0040] (3) The powdered product of step (2) is roasted, and the method is: placing the powdered product in a tube furnace under an ammonia atmosphere, ...
Example Embodiment
[0043] Example 2:
[0044] Preparation of catalyst based on mesoporous carbon co-doped with boron and nitrogen:
[0045] (1) Dissolve 3.0g block copolymer P103, 0.5g boron nitride and 0.5g containing dimeric cyanamide in 30g ethanol, add 20g polyester resin, and add 10g 1-pentyl-3-methylimidazole Fluoroborate, stirred for 40 minutes, and evaporated ethanol at room temperature for 7 hours, then place the composite in a 70°C atmospheric oven for 14 hours and then cure in a 120°C atmospheric oven for 14 hours to obtain a cured product;
[0046] (2) Ball mill the cured product of step (1), the method is: put the cured product into a ball milling tank, add 12 small balls (4 1.2cm in diameter, 4 0.7cm in diameter, 4 0.5cm in diameter ), grind for 1h at a rotation speed of 70r / min and a revolution speed of 140r / min to obtain a powdery product;
[0047] (4) (3) The powdered product of step (2) is roasted, the method is: under a nitrogen atmosphere, the powdered product is placed in a tube fu...
Example Embodiment
[0050] Example 3:
[0051] Preparation of catalyst based on mesoporous carbon co-doped with boron and nitrogen:
[0052] (1) Dissolve 4.0g block copolymer P85, 0.7g boric acid and 0.7g urea in 40g isopropanol, add 30g polyamide resin, add 20g 1-hexyl-3-methylimidazole tetrafluoroborate, stir After 50 minutes, isopropanol was volatilized at room temperature for 9 hours, the composite was placed in a 90°C atmospheric oven for 16 hours, and then cured in a 130°C atmospheric oven for 16 hours to obtain a cured product;
[0053] (2) Ball mill the cured product of step (1), the method is: put the cured product into a ball mill jar, add 18 small balls (6 with a diameter of 1.2cm, 6 with a diameter of 0.7cm, 6 with a diameter of 0.5cm ), grinding for 1.5h at a rotation speed of 100r / min and a revolution speed of 200r / min to obtain a powdery product;
[0054] (3) The powdered product of step (2) is roasted, the method is: under an argon atmosphere, the powdered product is placed in a tube fur...
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