Method for preparing electrode material by graphene oxide and poly 3, 4-ethylenedioxythiophene
An ethylenedioxythiophene and electrode preparation technology, which is applied to battery electrodes, circuits, electrical components, etc., can solve the problems of high cost, reduced electrical conductivity of electrode materials, and toxic effects on the environment and microorganisms, and achieves low impedance and specific surface area. And the effect of high electrical conductivity and high electron transfer efficiency
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Embodiment 1
[0019] Utilize graphene oxide and poly-3,4-ethylenedioxythiophene to prepare the method for electrode material, comprise the following steps:
[0020] (1) Soak the carbon felt in a hydrogen peroxide solution with a mass concentration of 10%, react at a constant temperature of 90°C for 3 hours, then rinse the carbon felt with deionized water for 5 times, and dry it at 60°C for 4 hours;
[0021] (2) Mix 1 mg / mL graphene oxide solution, 0.01 mol / L 3,4-ethylenedioxythiophene solution and 0.1 mol / L electrolyte sodium sulfate solution with a volume ratio of 2:3:5, and ultrasonically Under the conditions of power 300W and ultrasonic frequency 30Hz, ultrasonic reaction was performed for 10 minutes to obtain an electrolyte suspension, and then the carbon felt treated in step (1) was soaked in the electrolyte suspension, soaked at room temperature for 30 minutes, and then soaked at 40°C 2h; then conduct electrodeposition, specifically: set the electrodeposition current to 5 mA cm −2 , ...
Embodiment 2
[0024] Utilize graphene oxide and poly-3,4-ethylenedioxythiophene to prepare the method for electrode material, comprise the following steps:
[0025] (1) Soak the carbon felt in a hydrogen peroxide solution with a mass concentration of 10%, react at a constant temperature of 90°C for 5 hours, then rinse the carbon felt with deionized water for 5 times, and dry it at 60°C for 4 hours;
[0026] (2) Mix 1 mg / mL graphene oxide solution, 0.01 mol / L 3,4-ethylenedioxythiophene solution and 0.1 mol / L electrolyte sodium sulfate solution with a volume ratio of 2:3:5, and ultrasonically Under the conditions of power 500W and ultrasonic frequency 30Hz, ultrasonic reaction was performed for 10 minutes to obtain an electrolyte suspension, and then the carbon felt treated in step (1) was soaked in the electrolyte suspension for 30 minutes at room temperature, and then soaked at 40°C 3h; then conduct electrodeposition, specifically: set the electrodeposition current to 5 mA cm −2 , the runn...
Embodiment 3
[0029] Utilize graphene oxide and poly-3,4-ethylenedioxythiophene to prepare the method for electrode material, comprise the following steps:
[0030] (1) Soak the carbon felt in a hydrogen peroxide solution with a mass concentration of 10%, react at a constant temperature of 90°C for 4 hours, then rinse the carbon felt with deionized water for 5 times, and dry it at 60°C for 4 hours;
[0031] (2) Mix 1 mg / mL graphene oxide solution, 0.01 mol / L 3,4-ethylenedioxythiophene solution and 0.1 mol / L electrolyte sodium sulfate solution with a volume ratio of 2:3:5, and ultrasonically Under the conditions of power 400W and ultrasonic frequency 30Hz, ultrasonic reaction was performed for 10 minutes to obtain an electrolyte suspension, and then the carbon felt treated in step (1) was soaked in the electrolyte suspension for 30 minutes at room temperature, and then soaked at 40°C 2.5h; then conduct electrodeposition, specifically: set the electrodeposition current to 5 mA cm −2 , the ru...
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