Metal cobalt/carbon composite material and preparation method and application thereof
A carbon composite material and metal cobalt technology, which is applied in the preparation/purification of carbon, carbon compounds, non-metallic elements, etc., can solve the problems of low density, high production cost, and limited practical application, and achieve low density, effective absorption, The effect of good application prospects
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Embodiment 1
[0035] Step (1): Add 0.0050g of hexadecyltrimethylammonium bromide to 5mL of distilled water, ultrasonically disperse for 30min, then add 0.2948g of cobalt nitrate hexahydrate, stir until completely dissolved, and mark the mixed solution as solution A;
[0036] Step (2): Add 0.7687g of benzimidazole into 20mL of N,N-dimethylformamide and 20mL of distilled water, dissolve completely, and obtain a mixed solution marked as solution B.
[0037] Step (3): Add solution A to solution B under the condition of magnetic stirring, and after stirring for 30 minutes, leave the mixed dispersion for aging for 12 hours;
[0038] Step (4): After aging, the mixed dispersion was washed and centrifuged several times with distilled water and absolute ethanol, and the purple precipitate was collected, put into a vacuum drying oven, and dried at 60° C. for 12 hours to obtain a cobalt metal-organic complex.
[0039] Step (5): Under a nitrogen atmosphere in a tube furnace, perform high-temperature hea...
Embodiment 2
[0042] Step (1): Add 0.0050 g of cetyltrimethylammonium bromide to 5 mL of distilled water, ultrasonically disperse for 30 minutes, then add 0.2948 g of cobalt nitrate hexahydrate, stir until completely dissolved, and mark the mixed solution as solution A.
[0043] Step (2): Add 0.7687g of benzimidazole into 20mL of N,N-dimethylformamide and 20mL of distilled water, dissolve completely, and obtain a mixed solution marked as solution B.
[0044] Step (3): Add solution A to solution B under the condition of magnetic stirring, and after stirring for 30 minutes, leave the mixed dispersion for aging for 12 hours;
[0045]Step (4): After aging, the mixed dispersion was washed and centrifuged several times with distilled water and absolute ethanol, and the purple precipitate was collected, put into a vacuum drying oven, and dried at 60° C. for 12 hours to obtain a cobalt metal-organic complex.
[0046] Step (5): Under a nitrogen atmosphere in a tube furnace, perform high-temperature ...
Embodiment 3
[0049] Step (1): Add 0.0050 g of cetyltrimethylammonium bromide to 5 mL of distilled water, ultrasonically disperse for 30 minutes, then add 0.2948 g of cobalt nitrate hexahydrate, stir until completely dissolved, and mark the mixed solution as solution A.
[0050] Step (2): Add 0.7687g of benzimidazole into 20mL of N,N-dimethylformamide and 20mL of distilled water, dissolve completely, and obtain a mixed solution marked as solution B.
[0051] Step (3): Add solution A to solution B under the condition of magnetic stirring, and after stirring for 30 minutes, leave the mixed dispersion for aging for 12 hours;
[0052] Step (4): After aging, the mixed dispersion was washed and centrifuged several times with distilled water and absolute ethanol, and the purple precipitate was collected, put into a vacuum drying oven, and dried at 60° C. for 12 hours to obtain a cobalt metal-organic complex.
[0053] Step (5): Under a nitrogen atmosphere in a tube furnace, perform high-temperature...
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