A fluorescent fibrous supercapacitor fiber and preparation method thereof
A technology of supercapacitors and fluorescent fibers, which is applied in the manufacture of hybrid/electric double layer capacitors and electrodes of hybrid capacitors, can solve problems restricting commercialization and market development, and achieve good visual difference, excellent structural stability and electrochemical Stability, the effect of stabilizing electrochemical performance
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Embodiment 1
[0026] (1) Preparation of aligned carbon nanotube arrays: Vertically oriented spinnable multi-walled carbon nanotube arrays were synthesized by chemical vapor deposition. Among them, the catalyst uses Fe(1 nm) / Al 2 o 3 (10 nm), the carbon source is ethylene, the gas phase carrier is a mixed gas of argon and hydrogen, and a spinnable carbon nanotube array is obtained by chemical vapor deposition;
[0027](2) Preparation of fluorescent component dispersion: Take 1 gram of green fluorescent dye particles as the fluorescent component and grind for two hours until the particle size is uniformly distributed at about 5 microns, then take the ground green fluorescent dye powder and disperse it in 25 ml of deionized water Sonicate at room temperature for 10 minutes to obtain a uniform aqueous dispersion with a fluorescent component content of 40 mg / ml;
[0028] (3) Fabrication of fluorescent supercapacitor fiber electrodes: Pull out the multi-walled carbon nanotube film directly from...
Embodiment 2
[0032] (1) Preparation of aligned carbon nanotube arrays: Vertically oriented spinnable multi-walled carbon nanotube arrays were synthesized by chemical vapor deposition. Among them, the catalyst uses Fe (3 nm) / Al 2 o 3 (15 nm), the carbon source is ethylene, the gas phase carrier is a mixed gas of argon and hydrogen, and a spinnable carbon nanotube array is obtained by chemical vapor deposition;
[0033] (2) Preparation of fluorescent component dispersion: Take 0.5 g of orange fluorescent dye particles as the fluorescent component and grind for two hours until the particle size is uniformly distributed at about 3 microns, then take the ground orange fluorescent dye powder and disperse it in 25 ml of deionized water Sonicate at room temperature for 10 minutes to obtain a uniform aqueous dispersion with a fluorescent component content of 20 mg / ml;
[0034] (3) Fabrication of fluorescent supercapacitor fiber electrodes containing pseudocapacitive components: the multi-walled a...
Embodiment 3
[0037] (1) Preparation of graphene oxide spinning stock solution: graphene oxide was prepared by the Hummer method, 20 grams of graphene oxide was dispersed in 10 ml of deionized water to obtain a graphene oxide solution, and the solution was heated and concentrated to 2 ml after ultrasonic oscillation for 2 hours ;
[0038] (2) Preparation of fluorescent component dispersion: Take 1.5 grams of green fluorescent dye particles as the fluorescent component and grind for two hours until the particle size is uniformly distributed at about 4 microns, then take the ground green fluorescent dye powder and disperse it in 25 ml of deionized water Ultrasound at room temperature for 10 minutes to obtain a uniform aqueous dispersion with a fluorescent component content of 60 mg / ml;
[0039] (3) Preparation of fluorescent supercapacitor fiber electrodes: Mix 2 ml of fluorescent component dispersion with 2 ml of graphene oxide spinning stock solution, oscillate ultrasonically for 1 hour, an...
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