Method for rapidly preparing conducting carbon and ruthenium oxide combination electrode material
A composite electrode and conductive carbon technology, applied in the direction of electrolytic capacitors, circuits, capacitors, etc., can solve the problems of difficult industrial production, time-consuming, large energy consumption, complex process, etc., and achieve low cost, easy operation and simple process. Effect
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Embodiment 1
[0024] (A) Preparation of conductive carbon / ruthenium oxide electrode material
[0025] First, 0.1 g of carbon nanotubes was added to 100 mL of distilled water, ultrasonicated for 1 h, and then 20 g of KRuO 4 , added to the above mixture, stirred to make it fully dissolved, and then placed in a microwave heating device with a power of 1000W to heat for 1 min; the obtained black precipitate was filtered, fully washed, and vacuum-dried at 60°C for 48 hours to obtain a conductive Carbon / ruthenium oxide composite electrode materials.
[0026] (B) Electrode preparation and performance testing
[0027] The prepared composite electrode material, conductive carbon black, polytetrafluoroethylene (5wt%), and ethanol were uniformly mixed in a ratio of 80:10:5:5 to make a slurry, which was evenly coated on the stainless steel current collector at 110°C Vacuum drying for 10h, using 1mol / L sulfuric acid solution as the electrolyte, using a three-electrode system, cyclic voltammetry to tes...
Embodiment 2
[0029] Add 0.5g of carbon nanotubes and 0.5g of conductive carbon black into 10mL of distilled water, sonicate for 10h, then weigh 0.1g of KRuO 4 , added to the above mixture, stirred to make it fully dissolved, and then placed in a microwave heating device with a power of 400W to heat for 30 minutes; the obtained black precipitate was filtered, fully washed, and vacuum-dried at 120°C for 2 hours to obtain a conductive Carbon / ruthenium oxide composite electrode materials. The preparation and testing methods of the electrodes are the same as in Example 1.
Embodiment 3
[0031] Add 0.1g conductive carbon black to 50mL distilled water, ultrasonicate for 6h, then weigh 1g KRuO 4 , added to the above mixture, stirred to make it fully dissolved, and then placed in a microwave heating device with a power of 600W and heated for 10 minutes after complete dissolution; the obtained black precipitate was filtered, fully washed, and vacuum-dried at 80°C for 10 hours to obtain a conductive Carbon / ruthenium oxide composite electrode materials. The preparation and testing methods of the electrodes are the same as in Example 1.
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