Preparation method of P-doped CuMnCoO4/N-CNs composite material
A technology of composite materials and shrimp shells, which is applied in the field of electrocatalysis, can solve the problems of catalytic reduction reaction kinetics hysteresis, unfavorable large-scale production, and high cost, and achieve excellent electrocatalytic performance, suitable for large-scale production, and low cost.
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[0022]Example 1
[0023]A P-doped CuMnCoO4 / N-CNs composite material, specifically including the following preparation steps:
[0024](1) Dry the shrimp shells at 80°C for 5 hours, and then grind them into shrimp shell powder. Weigh 1g of the ground shrimp shell powder and place it in the inner pot of the reactor, then add 100ml deionized water to it and stir evenly Put the reaction kettle in an oven and hydrothermally heat it at 180°C for 15 hours. After the reaction, after cooling to room temperature, the obtained N-CNs solution is filtered with 0.45pm and 0.22pm microporous membranes in order to remove large Large-sized shrimp shell residues were centrifuged at 14000 rpm to further separate large particles, and finally a yellow solution of N-CNs solution was obtained;
[0025](2) Weigh 0.4mmol of copper acetate, 0.4mmol of cobalt acetate, and 0.4mmol of manganese acetate into three test tubes, respectively add 5ml of deionized water, ultrasound for 30min to fully dissolve, and then add 2mm...
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[0029]Example 2
[0030]A P-doped CuMnCoO4 / N-CNs composite material, specifically including the following preparation steps:
[0031](1) Dry the shrimp shells at 80°C for 5 hours, and then grind them into shrimp shell powder. Weigh 1g of the ground shrimp shell powder and place it in the inner pot of the reactor, then add 150ml of deionized water to it and stir evenly Put the reaction kettle in an oven and hydrothermally heat it at 200°C for 20 hours. After the reaction is over, after cooling to room temperature, the obtained N-CNs solution is filtered with 0.45pm and 0.22pm microporous membranes in order to remove large Large-sized shrimp shell residues were centrifuged at 14000 rpm to further separate large particles, and finally a yellow solution of N-CNs solution was obtained;
[0032](2) Weigh 0.4mmol of copper acetate, 0.4mmol of cobalt acetate, and 0.4mmol of manganese acetate into three test tubes, respectively, add 5ml of deionized water, ultrasound for 30min to fully dissolve, and ...
Example Embodiment
[0034]Example 3
[0035]A P-doped CuMnCoO4 / N-CNs composite material, specifically including the following preparation steps:
[0036](1) Dry the shrimp shells at 80°C for 5 hours, and then grind them into shrimp shell powder. Weigh 1g of the ground shrimp shell powder and place it in the inner tank of the reactor, then add 120ml of deionized water to it and stir evenly Put the reaction kettle in an oven and hydrothermally heat it at 150°C for 10 hours. After the reaction is over, after cooling to room temperature, the obtained N-CNs solution is filtered with 0.45pm and 0.22pm microporous membranes in order to remove large The shrimp shell residue of the size is centrifuged at 14000 rpm to further separate the large particles, and finally the N-CNs solution of the yellow solution is obtained;
[0037](2) Weigh 0.4mmol of copper acetate, 0.4mmol of cobalt acetate, and 0.4mmol of manganese acetate into three test tubes, respectively add 5ml of deionized water, ultrasound for 30min to fully diss...
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