Method for preparing nano mesoporous carbon microsphere-graphene sandwich composite material
A technology of nano-mesoporous and composite materials, applied in the direction of graphene, nano-carbon, hybrid capacitor electrodes, etc., can solve the problems of complex preparation process and high cost, and achieve the effect of simple equipment, low cost and short cycle
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[0031] Example 1
[0032] Step 1. Assemble the complex:
[0033] Accurately weigh 0.03g of graphene oxide in 50mL of 0.1mol / L NaOH aqueous solution (the mass ratio of graphene oxide to NaOH aqueous solution is 1:1673), and ultrasonically disperse to obtain graphene oxide dispersion; weigh 0.1g of structure directing agent CTAB in 40mL 0.1mol / L NaOH aqueous solution (the mass ratio of CTAB to NaOH aqueous solution is 1:416), then add 0.3g of carbon source AMP (the mass ratio of AMP to NaOH aqueous solution is 1:139), and then at 20℃ 、Reaction for 1h at a stirring speed of 500r / min to obtain a mesoporous carbon precursor mixture. Add the graphene oxide dispersion to the mesoporous carbon precursor mixture and react for 1h at 20℃ and a stirring speed of 600r / min. , Assembled into a complex;
[0034] Step 2, aging treatment:
[0035] The composite body assembled in step 1 was put into a reaction vessel, heated at 140°C for 48h, then filtered and washed with deionized water to neutrality...
Example Embodiment
[0039] Example 2
[0040] Step 1. Assemble the complex:
[0041] Accurately weigh 0.03g of graphene oxide in 50mL of 0.1mol / L NaOH aqueous solution (the mass ratio of graphene oxide to NaOH aqueous solution is 1:1673), and ultrasonically disperse to obtain a graphene oxide dispersion; weigh 0.2g of structure directing agent CTAB is in 40mL 0.1mol / L NaOH aqueous solution (the mass ratio of CTAB to NaOH aqueous solution is 1:208), then 0.3g carbon source AMP (the mass ratio of AMP to NaOH aqueous solution is 1:139) is added, and then the temperature is 20℃ 、Reaction for 1h at a stirring speed of 500r / min to obtain a mesoporous carbon precursor mixture. Add the graphene oxide dispersion to the mesoporous carbon precursor mixture and react for 1h at 20℃ and a stirring speed of 600r / min. , Assembled into a complex;
[0042] Step 2, aging treatment:
[0043] The composite body assembled in step 1 was put into a reaction vessel, heated at 140°C for 48h, then filtered and washed with deioni...
Example Embodiment
[0047] Example 3
[0048] Step 1. Assemble the complex:
[0049] Accurately weigh 0.03g graphene oxide in 50mL 0.1mol / L NaOH aqueous solution (the mass ratio of graphene oxide to NaOH aqueous solution is 1:1673), and ultrasonically disperse to obtain graphene oxide dispersion; weigh 0.3g structure directing agent CTAB is in 40mL 0.1mol / L NaOH aqueous solution (the mass ratio of CTAB to NaOH aqueous solution is 1:139), then 0.3g of carbon source AMP (the mass ratio of AMP to NaOH aqueous solution is 1:139) is added, and then the temperature is kept at 20℃ 、Reaction for 1h at a stirring speed of 500r / min to obtain a mesoporous carbon precursor mixture. Add the graphene oxide dispersion to the mesoporous carbon precursor mixture and react for 1h at 20℃ and a stirring speed of 600r / min. , Assembled into a complex;
[0050] Step 2, aging treatment:
[0051] The composite body assembled in step 1 was put into a reaction vessel, heated at 140°C for 48h, then filtered and washed with deioni...
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