Preparation method of aminophenolic resin-based pyrrole nitrogen-doped carbon electrode material
An aminophenolic resin and nitrogen-doped carbon technology, which is applied in chemical instruments and methods, hybrid capacitor electrodes, carbon compounds, etc., can solve the problem of reducing the proportion of pseudocapacitance sites in nitrogen-doped carbon materials and reducing the utilization of nitrogen-containing functional groups. Efficiency and other issues, to achieve the effect of high capacity, improved utilization, and high pseudocapacitive performance
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Embodiment 1
[0041] A. Dissolve 0.1 g of 3-aminophenol, 0.1 g of 3-fluorophenol and 0.1 g of hexamethylenetetramine in 80 mL of distilled water, and stir at room temperature for 1 h until the solid sample is completely dissolved. Then, this solution was transferred to a 100 mL reaction vessel, at 160 o C for 4 hours, after natural cooling to room temperature, the product was washed with water to pH = 7, and dried to obtain a 3-aminophenol-3-fluorophenol-formaldehyde resin microsphere sample.
[0042] B, the obtained 3-aminophenol-3-fluorophenol-formaldehyde resin microsphere sample in step A is heated from room temperature to 500°C in a nitrogen atmosphere o C, keep warm for 4 hours. Samples were collected after natural cooling to room temperature.
[0043] C. Grind and mix the sample obtained in step B with the activator KOH at a mass ratio of 1 / 6, and then heat from room temperature to 500 °C in a nitrogen atmosphere. o C, keep warm for 8 hours. Naturally cooled to room temperature, ...
Embodiment 2
[0051] A. Dissolve 0.05 g of 3-aminophenol, 0.15 g of 3-fluorophenol and 0.1 g of hexamethylenetetramine into 80 mL of distilled water, and stir at room temperature for 1 hour until the solid sample is completely dissolved. Then, this solution was transferred to a 100 mL reaction vessel, at 160 o C for 4 hours, after naturally cooling to room temperature, the product was washed with water to pH = 7, and dried to obtain a 3-aminophenol-3-fluorophenol-formaldehyde resin microsphere sample.
[0052] B, the obtained 3-aminophenol-3-fluorophenol-formaldehyde resin microsphere sample in step A is heated from room temperature to 500°C in a nitrogen atmosphere o C, keep warm for 4 hours. Samples were collected after natural cooling to room temperature.
[0053] C. Grind and mix the sample obtained in step B with the activator KOH at a mass ratio of 1 / 6, and then heat from room temperature to 500 °C in a nitrogen atmosphere. o C, keep warm for 8 hours. Naturally cooled to room temp...
Embodiment 3
[0057] A. Dissolve 0.025 g of 3-aminophenol, 0.175 g of 3-fluorophenol and 0.1 g of hexamethylenetetramine in 80 mL of distilled water, and stir at room temperature for 1 h until the solid sample is completely dissolved. Then, this solution was transferred to a 100 mL reaction vessel, at 160 o C for 4 hours, after naturally cooling to room temperature, the product was washed with water to pH = 7, and dried to obtain a 3-aminophenol-3-fluorophenol-formaldehyde resin microsphere sample.
[0058] B, the obtained 3-aminophenol-3-fluorophenol-formaldehyde resin microsphere sample in step A is heated from room temperature to 500°C in a nitrogen atmosphere o C, keep warm for 4 hours. Samples were collected after natural cooling to room temperature.
[0059] C. Grind and mix the sample obtained in step B with the activator KOH at a mass ratio of 1 / 6, and then heat from room temperature to 500 °C in a nitrogen atmosphere. o C, keep warm for 8 hours. Naturally cooled to room tempera...
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