Application of three-dimensional oxidized graphene-polyaniline composite material in capacitor electrode material
A capacitor electrode, three-dimensional structure technology, applied in the directions of hybrid capacitor electrodes, hybrid/electric double layer capacitor manufacturing, double layer capacitors, etc., can solve problems such as reducing electrochemical performance, achieve good cycle stability, simple process and low cost Effect
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Embodiment 1
[0028] The stainless steel substrates were ultrasonically cleaned in ethanol and deionized water, respectively, and dried in an oven at 60°C for later use. Add 5 mgGO to 20 mL of 1M H 2 SO 4 The solution was ultrasonically dispersed for 2 hours to obtain an aqueous phase solution. Then, the aniline monomer was dissolved in chloroform solution to prepare 25 mL of aniline chloroform solution with a concentration of 0.3M, that is, the organic phase solution. Finally, the aqueous phase solution is slowly poured into the organic phase solution to form a two-phase deposition solution of the upper aqueous phase and the lower organic phase. After standing still for 15 minutes, co-deposition was carried out on the electrochemical workstation by interface electrochemical method, and the above-mentioned cleaned stainless steel foil, platinum sheet, and saturated Ag / AgCl electrode were used as the working electrode, counter electrode and reference electrode respectively. Among them, th...
Embodiment 2
[0030] The stainless steel substrates were ultrasonically cleaned in ethanol and deionized water, respectively, and dried in an oven at 60°C for later use. Add 5 mgGO to 20 mL of 1M H 2 SO 4 The solution was ultrasonically dispersed for 2 hours to obtain an aqueous phase solution. Then, the aniline monomer was dissolved in chloroform solution to prepare 25 mL of aniline chloroform solution with a concentration of 0.05M, that is, the organic phase solution. Finally, the aqueous phase solution is slowly poured into the organic phase solution to form a two-phase deposition solution of the upper aqueous phase and the lower organic phase. After standing still for 15 minutes, co-deposition was carried out on the electrochemical workstation by interface electrochemical method, and the above-mentioned cleaned stainless steel foil, platinum sheet, and saturated Ag / AgCl electrode were used as the working electrode, counter electrode and reference electrode respectively. Among them, t...
Embodiment 3
[0032] The stainless steel substrates were ultrasonically cleaned in ethanol and deionized water, respectively, and dried in an oven at 60°C for later use. Add 5 mgGO to 20 mL of 1M H 2 SO 4 The solution was ultrasonically dispersed for 2 hours to obtain an aqueous phase solution. Then, the aniline monomer was dissolved in chloroform solution to prepare 25 mL of aniline chloroform solution with a concentration of 0.1M, that is, the organic phase solution. Finally, the aqueous phase solution is slowly poured into the organic phase solution to form a two-phase deposition solution of the upper aqueous phase and the lower organic phase. After standing still for 15 minutes, co-deposition was carried out on the electrochemical workstation by interface electrochemical method, and the above-mentioned cleaned stainless steel foil, platinum sheet, and saturated Ag / AgCl electrode were used as the working electrode, counter electrode and reference electrode respectively. Among them, th...
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