Porous heterostructure catalytic material and preparation method thereof
A technology of heterogeneous structures and catalytic materials, applied in chemical instruments and methods, structural parts, inorganic chemistry, etc., can solve the problems of input raw materials, high energy and time costs, complicated preparation process, and low promotion potential, so as to facilitate popularization and utilization And industrial mass production, simple preparation process and reaction conditions, excellent stability
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Embodiment 1
[0031] The FeNiN-2:1:1 porous heterostructure catalytic material is prepared according to the following steps.
[0032] 1) Dissolve 0.968 g of ferric chloride hexahydrate, 0.147 g of 2-methylimidazole, and 0.426 g of nickel chloride hexahydrate in 10 mL, 5 mL, and 5 mL of deionized water at 25°C, and sonicate for 10 minutes until homogeneous solution, and then the above solutions were mixed and stirred at room temperature for 1 h to obtain a precursor solution.
[0033] 2) Transfer the precursor mixed solution obtained in step 1) to a round bottom flask, and volatilize the solvent under oil bath and stirring conditions until the solvent in the precursor solution is completely volatilized. The temperature of the oil bath is 130°C, and the stirring condition is magnetic stirring; the deionized water is quickly volatilized without destroying the structure and properties of the fixed product.
[0034]3) Transfer the solid obtained in step 2) into a petri dish, and dry it in a bla...
Embodiment 2
[0039] FeNiN-2:0.5:1 porous heterostructure catalyst, which is prepared according to the following steps.
[0040] 1) Dissolve 0.968 g of ferric chloride hexahydrate, 0.147 g of 2-methylimidazole, and 0.213 g of nickel chloride hexahydrate in 10 mL, 5 mL, and 5 mL of deionized water at 25°C, and sonicate for 10 minutes until homogeneous solution, and then the above solutions were mixed and stirred at room temperature for 1 h to obtain a precursor solution.
[0041] 2) Transfer the precursor mixed solution obtained in step 1) to a round bottom flask, and volatilize the solvent under oil bath and stirring conditions until the solvent in the precursor solution is completely volatilized. The temperature of the oil bath is 140°C, and the stirring condition is magnetic stirring; the deionized water is quickly volatilized without destroying the structure and properties of the fixed product.
[0042] 3) Transfer the solid obtained in step 2) into a petri dish, and dry it in a blast o...
Embodiment 3
[0047] The FeN porous heterostructure catalyst is prepared according to the following steps.
[0048] 1) Dissolve 0.968g of ferric chloride hexahydrate and 0.147g of 2-methylimidazole in 10mL and 5mL of deionized water at 25°C, sonicate for 10min to form a homogeneous solution, then mix the above solutions and put them under room temperature Stir for 1 h to obtain a precursor solution.
[0049] 2) Transfer the precursor mixed solution obtained in step 1) to a round bottom flask, and volatilize the solvent under oil bath and stirring conditions until the solvent in the precursor solution is completely volatilized. The temperature of the oil bath is 110°C, and the stirring condition is magnetic stirring; the deionized water is quickly volatilized without destroying the structure and properties of the fixed product.
[0050] 3) Transfer the solid obtained in step 2) into a petri dish, and dry it in a blast oven at 80°C. The specific conditions for standing and drying are: stand...
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