Hierarchical pore structure carbon-based magnetic composite material as well as preparation method and application thereof
A magnetic composite material and multi-level hole technology, which is applied in the fields of magnetism of organic materials/organic magnetic materials, carbon preparation/purification, inductor/transformer/magnet manufacturing, etc., to achieve good interface polarization and multiple reflection/scattering, and low cost Low, high output effect
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Embodiment 1
[0033] In this example, a carbon-based magnetic composite material with a hierarchical porous structure based on a bimetallic organic framework and biomass is prepared, and the steps are as follows:
[0034] (1) Wash the wood butterfly three times with water and ethanol, and dry it in a 60°C oven for 24 hours to remove the adsorbed moisture.
[0035] (2) Take 20ml of water, add 0.33mmol of cobalt nitrate hexahydrate and 0.66mmol of zinc nitrate hexahydrate to it, and ultrasonically mix to obtain mixed solution A; take 20ml of water, add 6.4mmol of dimethylimidazole and 200mg of wood butterfly to it, To obtain mixed solution B; pour mixed solution A into mixed solution B and stir for 2 minutes, then transfer to a muffle furnace for hydrothermal reaction at 70°C for 4 hours; wait for the reaction to cool to room temperature, take it out, and use deionized water The product was washed three times with alcohol, separated by filtration, and dried to obtain a ZnCo-MOF / biomass compos...
Embodiment 2
[0038] In this example, a carbon-based magnetic composite material with a hierarchical porous structure based on a bimetallic organic framework and biomass is prepared, and the steps are as follows:
[0039] (1) Wash the wood butterfly three times with water and ethanol, and dry it in a 60°C oven for 24 hours to remove the adsorbed water.
[0040](2) Take 20ml of water, add 0.495mmol cobalt nitrate hexahydrate and 0.495mmol zinc nitrate hexahydrate to it, and ultrasonically mix to obtain mixed solution A; take 20ml water, add 6.4mmol dimethylimidazole and 200mg wood butterfly to it, Mixed solution B was obtained; mixed solution A was poured into mixed solution B and stirred for 2 minutes, and then transferred to a muffle furnace for hydrothermal reaction at a temperature of 70° C. for 4 hours. After the reaction was cooled to room temperature, it was taken out, and the product was washed three times with deionized water and alcohol, separated by filtration, and dried to obtain...
Embodiment 3
[0043] In this example, a carbon-based magnetic composite material with a hierarchical porous structure based on a bimetallic organic framework and biomass is prepared, and the steps are as follows:
[0044] (1) Wash the wood butterfly three times with water and ethanol, and dry it in a 60°C oven for 24 hours to remove the adsorbed moisture.
[0045] (2) Take 20ml of water, add 0.66mmol of cobalt nitrate hexahydrate and 0.33mmol of zinc nitrate hexahydrate to it, and ultrasonically mix to obtain mixed solution A; take 20ml of water, add 6.4mmol of dimethylimidazole and 200mg of wood butterfly to it, Mixed solution B was obtained; mixed solution A was poured into mixed solution B and stirred for 2 minutes, and then transferred to a muffle furnace for hydrothermal reaction at a temperature of 70° C. for 4 hours. After the reaction was cooled to room temperature, it was taken out, and the product was washed three times with deionized water and alcohol, separated by filtration, an...
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