High-specific-surface-area porous carbon nanoribbon and preparation method thereof
A high specific surface, porous carbon technology, applied in the field of porous materials, can solve the problem of rarely seeing porous carbon nanobelts, and achieve the effect of rich species, rich pores, and high specific surface area.
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Embodiment 1
[0025] Example 1: Preparation of High Specific Surface Porous Carbon Nanobelts
[0026] Weigh 0.5g zinc sulfate heptahydrate and dissolve it in 15mL DMAc to obtain solution A; weigh 0.25g nitrilotriacetic acid and dissolve it in a mixed solution of 15mL DMAc and 0.25mL of concentrated nitric acid to obtain solution B ;Under magnetic stirring, slowly drop solution B into solution A, and mix thoroughly to obtain solution C; transfer solution C to a 50mL polytetrafluoroethylene-lined stainless steel reaction kettle, and react in an oven at 120°C for 24h; the reaction is over After cooling to room temperature, a white solid was obtained by centrifugation, and washed 3 times with DMAc; the cleaned white solid was placed in a vacuum drying oven, and dried at 85°C for 24 hours to obtain a precursor; in a nitrogen atmosphere, the precursor Calcined in a tube furnace at 1000°C for 4 hours to prepare porous carbon nanobelts with high specific surface area.
Embodiment 2
[0027] Example 2: Preparation of High Specific Surface Porous Carbon Nanobelts
[0028] Weigh 1.2g of zinc nitrate hexahydrate and dissolve it in 40mL of DMAc to obtain solution A; weigh 1.0g of nitrilotriacetic acid and dissolve it in a mixed solution of 40mL of DMAc and 0.65mL of concentrated nitric acid to obtain solution B ;Under magnetic stirring, slowly drop solution B into solution A, and mix thoroughly to obtain solution C; transfer solution C to a 100mL polytetrafluoroethylene-lined stainless steel reaction kettle, and react in an oven at 120°C for 12h; the reaction is over After cooling to room temperature, a white solid was obtained by centrifugation, and washed 3 times with DMAc; the cleaned white solid was placed in a vacuum drying oven, and dried at 85°C for 24 hours to obtain a precursor; in a nitrogen atmosphere, the precursor Calcined in a tube furnace at 900°C for 5 hours to prepare porous carbon nanobelts with high specific surface area.
Embodiment 3
[0029] Example 3: Preparation of High Specific Surface Porous Carbon Nanobelts
[0030] Weigh 0.4g of zinc chloride and dissolve it in 15mL of DMAc to obtain solution A; weigh 0.2g of iminodiacetic acid and dissolve it in a mixed solution of 15mL of DMAc and 0.25mL of concentrated nitric acid to obtain solution B; Under magnetic stirring, slowly drop solution B into solution A, and mix thoroughly to obtain solution C; transfer solution C to a 50mL polytetrafluoroethylene-lined stainless steel reaction kettle, and react in an oven at 120°C for 15h; after the reaction Cool to room temperature, centrifuge to obtain a white solid, and wash 3 times with DMAc; place the cleaned white solid in a vacuum drying oven, and dry at 85°C for 24 hours to obtain a precursor; in a nitrogen atmosphere, place the precursor Calcined in a tube furnace at 1200°C for 3 hours to prepare porous carbon nanobelts with high specific surface area.
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