Preparation method of surface-functionalized carbon fiber cloth electrode material
A technology of electrode material and functionalized carbon, which is applied in the manufacture of hybrid capacitor electrodes and hybrid/electric double layer capacitors, etc., can solve the problems of narrow working voltage window of carbon-based electrode materials, achieve excellent electrochemical performance and increase the working voltage range Effect
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Embodiment 1
[0024] S1. First, soak the carbon cloth in acetone, ethanol and deionized water in sequence, ultrasonic for about 15 minutes, and wash in each solvent for 3 times, and then put the cleaned carbon cloth in an oven at 60°C for drying;
[0025] S2. Then cut the cleaned and dried carbon cloth into 0.5cm wide and 2.5cm long strip carbon cloth, soak it in the mixed solution of 10ml concentrated nitric acid and 20ml concentrated sulfuric acid, take it out after 30min, and wash it with deionized water Wash, dry in an oven at 60°C, and finally get the carbon cloth after the surface pigment and oil stains are removed, and the surface inorganic layer is removed;
[0026] S3. Pour 10ml of concentrated nitric acid and 20ml of concentrated sulfuric acid into a three-necked flask, mix evenly under the condition of 500rpm stirring, then add 1g of potassium permanganate into the above mixed solution, and then put the carbon cloth obtained after the treatment in step S2 into For the above mixin...
Embodiment 2
[0029] S1. First, soak the carbon cloth in acetone, ethanol and deionized water in sequence, ultrasonic for about 15 minutes, and wash in each solvent for 3 times, and then put the cleaned carbon cloth in an oven at 60°C for drying;
[0030] S2. Then cut the cleaned and dried carbon cloth into 0.5cm wide and 2.5cm long strip carbon cloth, soak it in the mixed solution of 10ml concentrated nitric acid and 20ml concentrated sulfuric acid, take it out after 30min, and wash it with deionized water Wash, dry in an oven at 60°C, and finally get the carbon cloth after the surface pigment and oil stains are removed, and the surface inorganic layer is removed;
[0031] S3. Pour 10ml of concentrated nitric acid and 20ml of concentrated sulfuric acid into a three-necked flask, mix evenly under the condition of 500rpm stirring, then add 1g of potassium permanganate into the above mixed solution, and then put the carbon cloth obtained after the treatment in step S2 into For the above mixin...
Embodiment 3
[0034] S1. First, soak the carbon cloth in acetone, ethanol and deionized water in sequence, ultrasonic for about 15 minutes, and wash in each solvent for 3 times, and then put the cleaned carbon cloth in an oven at 60°C for drying;
[0035] S2. Then cut the cleaned and dried carbon cloth into 0.5cm wide and 2.5cm long strip carbon cloth, soak it in the mixed solution of 10ml concentrated nitric acid and 20ml concentrated sulfuric acid, take it out after 30min, and wash it with deionized water Wash, dry in an oven at 60°C, and finally get the carbon cloth after the surface pigment and oil stains are removed, and the surface inorganic layer is removed;
[0036] S3. Pour 10ml of concentrated nitric acid and 20ml of concentrated sulfuric acid into a three-necked flask, mix evenly under the condition of 500rpm stirring, then add 1g of potassium permanganate into the above mixed solution, and then put the carbon cloth obtained after the treatment in step S2 into For the above mixin...
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