A kind of preparation method of cobalt metal organic framework/macroporous carbon composite
An organic framework and macroporous carbon technology, applied in organic compound/hydride/coordination complex catalysts, electrolytic organic production, chemical instruments and methods, etc., to achieve good stability, avoid agglomeration, and excellent electrocatalytic activity.
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Embodiment 1
[0016] The preparation method of Co-MOFs / macroporous carbon composite material of the present invention comprises the following steps:
[0017] Step 1: Add 50mg of macroporous carbon into 20mL of deionized water, and ultrasonicate for 10 minutes (the power of the ultrasonic machine is 350W).
[0018] Step 2: 95.2mg of cobalt chloride, 30mg of 5-(4-pyridyl)tetrazole, 40mg of 1,3-bis(4-pyridyl)propane and 66mg of sodium azide were added to the macroporous carbon dispersion, and then Sonicate for 10 minutes to mix well.
[0019] Step 3: transfer the mixture dispersion to a hydrothermal reaction kettle, react at 160° C. for 72 hours, and then naturally cool to room temperature.
[0020] Step 4: After the obtained product was centrifuged at a high speed (8000 rpm), washed three times with deionized water, and then dried in vacuum at 50°C for 24 hours to obtain a Co-MOFs / macroporous carbon composite material. figure 1 It is the scanning electron microscope picture of the Co-MOFs / m...
Embodiment 2
[0022] The preparation method of Co-MOFs / macroporous carbon composite material of the present invention comprises the following steps:
[0023] Step 1: Add 20mg of macroporous carbon to 20mL of deionized water, and ultrasonicate for 10 minutes (the power of the ultrasonic machine is 350W).
[0024] Step 2: 95.2mg of cobalt chloride, 30mg of 5-(4-pyridyl)tetrazole, 40mg of 1,3-bis(4-pyridyl)propane and 66mg of sodium azide were added to the macroporous carbon dispersion, and then Sonicate for 10 minutes to mix well.
[0025] Step 3: transfer the mixture dispersion to a hydrothermal reaction kettle, react at 140° C. for 72 hours, and then naturally cool to room temperature.
[0026] Step 4: After the obtained product was centrifuged at a high speed (8000 rpm), washed three times with deionized water, and then dried in vacuum at 70°C for 24 hours to obtain a Co-MOFs / macroporous carbon composite material.
Embodiment 3
[0028] The preparation method of Co-MOFs / macroporous carbon composite material of the present invention comprises the following steps:
[0029] Step 1: Add 80mg of macroporous carbon into 20mL of deionized water, and ultrasonicate for 10 minutes (the power of the ultrasonic machine is 350W).
[0030] Step 2: 95.2mg of cobalt chloride, 30mg of 5-(4-pyridyl)tetrazole, 40mg of 1,3-bis(4-pyridyl)propane and 66mg of sodium azide were added to the macroporous carbon dispersion, and then Sonicate for 10 minutes to mix well.
[0031] Step 3: transfer the mixture dispersion to a hydrothermal reaction kettle, react at 150° C. for 70 hours, and then naturally cool to room temperature.
[0032] Step 4: After the obtained product was centrifuged at a high speed (8000 rpm), washed three times with deionized water, and then dried in vacuum at 60°C for 24 hours to obtain a Co-MOFs / macroporous carbon composite material.
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