A kind of polyaniline/carbon nanotube composite electrode material and preparation method thereof
A carbon nanotube composite and electrode material technology, which is applied in the fields of hybrid capacitor electrodes and hybrid/electric double layer capacitor manufacturing, etc., to achieve the effects of high specific capacitance, controllable operation, and simple preparation process
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Embodiment 1
[0019] (1) Weigh 24 mg MWCNTs, add 75 mL of 1 mol / L HCl aqueous solution, add 0.24 mL of PSS-Na aqueous solution with a solid content of 30%, and ultrasonically disperse the MWCNTs evenly;
[0020] (2) Measure 0.456 mL of aniline and add it to the MWCNTs dispersion prepared in step (1). Under the condition of magnetic stirring, 25 mL of 0.2 mol / L ammonium persulfate in HCl aqueous solution (HCl concentration is 1 mol / L) was slowly added dropwise to the reaction system. h, filtered, and the product was cross-washed with 1 mol / L HCl aqueous solution, distilled water, and absolute ethanol until the filtrate was clear; vacuum-dried at 60 °C for 24 h to prepare a powdered polyaniline / carbon nanotube with a carbon nanotube content of 5%. tube composite electrode material;
[0021] 80% product, 15% acetylene carbon black and 5% polyvinylidene fluoride were mixed and evenly coated on foamed nickel as working electrode, platinum wire as counter electrode, saturated calomel electrode a...
Embodiment 2
[0023] (1) Weigh 50 mg MWCNTs, add 75 mL of 1 mol / L HCl aqueous solution, add 0.5 mL of PSS-Na aqueous solution with a solid content of 30%, and ultrasonically disperse the MWCNTs evenly;
[0024](2) Measure 0.456 mL of aniline and add it to the MWCNTs dispersion prepared in step (1). Under the condition of magnetic stirring, 25 mL of 0.2 mol / L ammonium persulfate in HCl aqueous solution (HCl concentration is 1 mol / L) was slowly added dropwise to the reaction system. h, filtered, and the product was cross-washed with 1 mol / L HCl aqueous solution, distilled water, and absolute ethanol until the filtrate was clear. The powdered polyaniline / carbon nanotube composite electrode material with 10% carbon nanotube content was prepared by vacuum drying at 60 ℃ for 24 h.
[0025] 80% product, 15% acetylene carbon black and 5% polyvinylidene fluoride were mixed and evenly coated on foamed nickel as working electrode, platinum wire as counter electrode, saturated calomel electrode as ref...
Embodiment 3
[0027] (1) Weigh 80 mg MWCNTs, add 75 mL of 1 mol / L HCl aqueous solution, add 0.8 mL of PSS-Na aqueous solution with a solid content of 30%, and ultrasonically disperse the MWCNTs evenly;
[0028] (2) Measure 0.456 mL of aniline and add it to the MWCNTs dispersion prepared in step (1). Under the condition of magnetic stirring, 25 mL of 0.2 mol / L ammonium persulfate in HCl aqueous solution (HCl concentration is 1 mol / L) was slowly added dropwise to the reaction system. h, filtered, and the product was cross-washed with 1 mol / L HCl aqueous solution, distilled water, and absolute ethanol until the filtrate was clear. The powdered polyaniline / carbon nanotube composite electrode material with 15% carbon nanotube content was prepared by vacuum drying at 60 ℃ for 24 h.
[0029] 80% product, 15% acetylene carbon black and 5% polyvinylidene fluoride were mixed and evenly coated on foamed nickel as working electrode, platinum wire as counter electrode, saturated calomel electrode as re...
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