Polyaniline/silver nanowire cotton fiber capacitor electrode material and preparation method
A technology for capacitor electrodes and silver nanowires, which is applied in hybrid capacitor electrodes, hybrid/electric double-layer capacitor manufacturing, plant fibers, etc., can solve the problems of preparing container electrode materials without the combination of polyaniline and silver nanowire cotton fibers, and achieve Effect of improving cycle performance
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[0021] The invention relates to a polyaniline / silver nanowire cotton fiber capacitor electrode material and a preparation method thereof.
[0022] The polyaniline / silver nanowire cotton fiber capacitor electrode material of the present invention is made of the following raw materials: cotton fabric of 1 length unit×1 length unit; 0.5mol / L silver nanowire solution; γ-( 2,3-glycidyloxy) propyltrimethoxysilane KH-560; 1 mass part of NaCl; 0.500-3.500 mass parts of aniline; 22.5 mass parts of ammonium persulfate; 1.250-8.750 mass parts of hydrochloric acid; ionized water.
[0023] The present invention is based on the preparation method of polyaniline / silver nanowire cotton fiber capacitor electrode material, is realized by the following steps:
[0024] Step 1: Using silver nanowires and cotton fabrics as raw materials, obtain highly conductive silver nanowires / cotton fibers by dipping and controlling the number of dips. The specific steps are:
[0025] Cotton fabrics with a si...
Embodiment 1
[0031] The first step: preparation of silver nanowire / cotton fiber:
[0032] A cotton fabric with a size of 1cm×1cm was immersed in a solution of silver nanowires (0.5mol / L), dipped once and dried at 80°C, and a cotton fabric loaded with 9.8mg of silver nanowires was obtained;
[0033] The second step: preparation of epoxy-based silver nanowires / cotton fibers:
[0034] Dissolve 0.700 g of KH-560 and NaCl (1 g) in 100 g of deionized water, add dropwise 0.1 mol / L NaOH solution, and adjust its pH to 10. Add silver nanowires / cotton fibers to the solution at 60°C and react for 30 minutes, then dry at 80°C to obtain epoxy-based silver nanowire cotton fibers;
[0035] The third step: preparation of polyaniline / silver nanowire composite cotton fiber flexible capacitor electrode material:
[0036] Add 0.500g of aniline, 1.250g of hydrochloric acid, and epoxy-based silver nanowires / cotton fibers into 100mL of deionized water to react for 30min; dissolve 22.5g of ammonium persulfate in...
Embodiment 2
[0038] The first step: preparation of silver nanowire / cotton fiber:
[0039]A cotton fabric with a size of 1cm×1cm was immersed in a solution of silver nanowires (0.5mol / L), dipped three times and dried at 80°C to obtain a cotton fabric loaded with 12mg of silver nanowires;
[0040] The second step: preparation of epoxy-based silver nanowires / cotton fibers:
[0041] Dissolve 1.400 g of KH-560 and NaCl (1 g) in 100 g of deionized water, add dropwise 0.1 mol / L NaOH solution, and adjust its pH to 10. Adding silver nanowires / cotton fibers into the solution at 60°C for 30 minutes and then drying at 80°C to obtain epoxy-based silver nanowires / cotton fibers;
[0042] The third step: preparation of polyaniline / silver nanowire composite cotton fiber flexible capacitor electrode material:
[0043] Add 2.100g of aniline, 5.250g of hydrochloric acid, and epoxy-based silver nanowires / cotton fibers into 100mL of deionized water for 30min; dissolve 22.5g of ammonium persulfate in 50mL of d...
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