Amide-based polymer derived one-dimensional nitrogen-doped nano-carbon electrode material and preparation method
An amide polymer, nitrogen-doped nanocarbon technology, used in hybrid capacitor electrodes, nanotechnology, battery electrodes, etc., to promote Faradaic reaction, improve electrical conductivity and electrochemical activity, and reduce usage.
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Embodiment 1
[0031] In the first example, polyimide-derived nitrogen-doped carbon nanobelts were prepared.
[0032] Preparation:
[0033] 1) Weigh 0.4362g of pyromellitic anhydride, dissolve in 40mL of water, stir until uniformly dispersed, and obtain the first mixed solution.
[0034]2) Weigh 0.3966g of 4,4-diaminodiphenylmethane and add it to the first mixed solution, keep stirring, and raise the temperature to 60°C in a water bath, and react for 2 hours to obtain the second mixed solution.
[0035] 3) Dissolve the second mixed solution in 50 mL of water after suction filtration and washing, disperse evenly, transfer to a 100 mL reaction kettle, and react at 200°C for 12 hours.
[0036] 4) Suction filter and wash the product, and dry at 60° C. to obtain polyimide.
[0037] 5) Put the polyimide in a tube furnace under the protection of argon, raise the temperature to 800 °C at a rate of 3 °C / min, keep it for 8 hours, and naturally cool to room temperature to obtain polyimide-derived nit...
Embodiment 2
[0042] In Example 2, polyimide-derived nitrogen-doped carbon nanotubes were prepared.
[0043] Preparation:
[0044] 1) Weigh 0.402g of 1,4,5,8-naphthalenetetracarboxylic anhydride, dissolve it in 40mL of water, stir until uniformly dispersed, and obtain the first mixed solution.
[0045] 2) Weigh 0.351g of 1,3,5-tris(4-aminophenyl)benzene and add it to the first mixed solution, keep stirring, and raise the temperature to 60°C in a water bath, react for 1.5h, and add the second mixed solution.
[0046] 3) Dissolve the second mixed solution in 50mL of water after suction filtration and washing, disperse evenly, transfer to a 100mL reaction kettle, and react at 220°C for 10h.
[0047] 4) Suction filter and wash the product, and dry at 70° C. to obtain polyimide.
[0048] 5) Put the polyimide in a tube furnace under the protection of argon, heat up to 600°C at a rate of 4°C / min, keep it warm for 10h, and naturally cool to room temperature to obtain polyimide-derived nitrogen-do...
Embodiment 3
[0053] In Example 3, polyimide-derived nitrogen-doped carbon nanorods were prepared.
[0054] Preparation:
[0055] 1) Weigh 0.402g of 1,4,5,8-naphthalenetetracarboxylic anhydride, dissolve it in 40mL of water, stir until uniformly dispersed, and obtain the first mixed solution.
[0056] 2) Weigh 0.291g of 1,3,5-tris(4-aminophenylphenyl)amine and add it to obtain the first mixed solution, keep stirring, and raise the temperature to 50°C in a water bath, react for 3 hours, and obtain the second mixed solution .
[0057] 3) Dissolve the second mixed solution in 50 mL of water after suction filtration and washing, disperse evenly, transfer to a 100 mL reaction kettle, and react at 210°C for 9 hours.
[0058] 4) Suction filter and wash the product, and dry at 65°C to obtain polyimide.
[0059] 5) Put the polyimide in a tube furnace under the protection of argon, raise the temperature to 1300°C at a rate of 7°C / min, keep it warm for 6h, and cool down to room temperature naturall...
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