A kind of preparation method of three-dimensional graphene-based carbon nanoporous material
A graphene-based, porous material technology, applied in the direction of graphene, nano-carbon, nanotechnology, etc., can solve the problems of re-stacking and shrinkage, achieve good electrical conductivity, good structural stability, and avoid the effects of re-stacking and shrinkage
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Embodiment 1
[0024] Weigh by mass percentage: resorcinol solution or 10%, formaldehyde solution 10%, distilled water 73%, graphene suspension 3%, CoCl 2 ·6H 2 O 4%, the content sum of above components is 100%; Wherein, the mass concentration of resorcinol solution is 10%; The mass concentration of formaldehyde solution is 10%; Contain Graphene 10mg in every liter of graphene suspension; The weighed resorcinol solution, formaldehyde solution, graphene suspension and CoCl 2 ·6H 2 O was added to weighed distilled water, and magnetically stirred for 2h to obtain the initial reaction liquid; the obtained initial reaction liquid was transferred into a glass bottle with a sealing cap, and the bottle cap was placed in a dry box for gel reaction treatment. The gel reaction temperature is 80°C, the gel reaction time is 30min, and the wet gel is prepared; the prepared wet gel is firstly dried, and then carbonized. The specific implementation method of the dry treatment is as follows: The obtained ...
Embodiment 2
[0026] Weigh by mass percentage: 10% resorcinol solution, 6% furfural solution, 80% distilled water, 3% graphene suspension, NiCl 2 2H 2 O 1%, the content sum of above components is 100%; Wherein, the mass concentration of resorcinol solution is 20%; The mass concentration of furfural solution is 20%; Contain Graphene 12mg in every liter of graphene suspension; The weighed resorcinol solution, furfural solution, graphene suspension and NiCl 2 2H 2 O was added to the weighed distilled water, and magnetically stirred for 2.5 hours to obtain the initial reaction liquid; the prepared initial reaction liquid was transferred into a glass bottle with a sealing cap, and the bottle cap was placed in a dry box for gel reaction treatment. , the gel reaction temperature is 85°C, the gel reaction time is 40min, and the wet gel is obtained; the wet gel is firstly dried and then carbonized, wherein the specific implementation method of the dry treatment is: The prepared wet gel was dried ...
Embodiment 3
[0028] Weigh by mass percentage: 20% hydroquinone solution, 5% formaldehyde solution, 70% distilled water, 4.9% graphene suspension, CuCl 2 2H 2 O, the content sum of above components is 100%; Wherein, the mass concentration of hydroquinone solution is 40%; The mass concentration of formaldehyde solution is 40%; Contain Graphene 14mg in every liter of graphene suspension; Will weigh The hydroquinone solution, formaldehyde solution, graphene suspension and CuCl 2 2H 2 O was added to the weighed distilled water, and magnetically stirred for 2.5 hours to obtain the initial reaction liquid; the prepared initial reaction liquid was transferred into a glass bottle with a sealing cap, and the bottle cap was placed in a dry box for gel reaction treatment. , the gel reaction temperature is 90°C, the gel reaction time is 50min, and the wet gel is obtained; the wet gel is firstly dried and then carbonized, wherein the specific implementation method of the dry treatment is: The prepare...
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