Boron and nitrogen doped carbon porous nanotube coated platinum alloy nanoparticle material catalyst and preparation method and application thereof
A nanoparticle, nitrogen-doped carbon technology, applied in chemical instruments and methods, physical/chemical process catalysts, ozone preparation, etc., can solve the problems of high catalyst cost and low catalytic efficiency, and achieve the effect of simple preparation steps
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Embodiment 1
[0029] Example 1: Synthesis of PtCo@BCN catalyst and its electrocatalytic preparation of ozone
[0030] 1) Dissolve 0.15 g of boric acid, 5 g of urea, 0.5 g of polyethylene glycol, 0.013 g of cobalt acetylacetonate, and 0.015 g of platinum acetylacetonate into 50 mL of water, and disperse uniformly by ultrasonic, stir at room temperature for 1 hour, and mix the obtained solution Transfer to an oven and dry at 80°C for 24 hours to completely evaporate the water in the solution to obtain a solid mixture;
[0031] 2) Place the solid mixture obtained in step 1) in a tube furnace, raise the temperature from room temperature to 900°C at a rate of 5°C / min in a nitrogen atmosphere, and calcinate at 900°C for 6 hours to obtain boron and nitrogen doped Carbon porous nanotube-coated platinum alloy nanoparticle material catalyst, marked as PtCo@BCN catalyst (the PtCo@BCN catalyst was characterized by BET, and the specific surface area was 865 square meters per gram). The SEM image of the...
Embodiment 2
[0036] Example 2: Synthesis of PtNi@BCN catalyst and its electrocatalytic preparation of ozone
[0037] 1) Dissolve 0.15 g of boric acid, 5 g of urea, 0.5 g of polyethylene glycol, 0.01 g of nickel acetylacetonate, and 0.015 g of platinum acetylacetonate into 50 mL of water, and disperse uniformly by ultrasonic, stir at room temperature for 1 hour, and mix the obtained The solution was transferred to an oven and dried at 80°C for 24 hours to completely evaporate the water in the solution to obtain a solid mixture;
[0038] 2) Put the solid mixture obtained in step 1) in a tube furnace, raise the temperature from room temperature to 900°C at a rate of 5°C / min under a nitrogen atmosphere, and calcinate at 900°C for 6 hours to obtain boron and nitrogen doped A carbon porous nanotube coated platinum-nickel alloy nanoparticle material catalyst.
[0039] The catalytic performance of the PtNi@BCN catalyst prepared in Example 2 was tested, the specific method is as follows:
[0040]...
Embodiment 3
[0042] Example 3: Synthesis of PtFe@BCN catalyst and its electrocatalytic preparation of ozone
[0043] 1) Dissolve 0.15 g of boric acid, 5 g of urea, 0.5 g of polyethylene glycol, 0.013 g of iron acetylacetonate, and 0.015 g of platinum acetylacetonate into 50 mL of water, and disperse evenly by ultrasonication. The solution was transferred to an oven and dried at 80°C for 24 hours to completely evaporate the water in the solution to obtain a solid mixture;
[0044] 2) Put the solid mixture obtained in step 1) in a tube furnace, raise the temperature from room temperature to 900°C at a rate of 5°C / min under a nitrogen atmosphere, and calcinate at 900°C for 6 hours to obtain boron and nitrogen doped Carbon porous nanotube coated platinum-iron alloy nanoparticle material catalyst.
[0045] The catalytic performance of the PtFe@BCN catalyst prepared in Example 3 was tested, the specific method is as follows:
[0046] Weigh 8 mg of the prepared PtFe@BCN catalyst particles, mix ...
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