Preparation method of composite membrane electrode materials applied to micro-electromechanical system (MEMS) supercapacitor
A technology for supercapacitors and electrode materials, which is applied in the manufacture of hybrid capacitor electrodes and hybrid/electric double layer capacitors, and can solve problems such as poor cycle stability and small specific capacity of conductive polymers
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Embodiment 1
[0014] A method for preparing a composite membrane electrode material applied to a MEMS supercapacitor, the method is realized by the following steps:
[0015] 1) Add conductive polymer monomer to distilled water so that the concentration of conductive polymer monomer is 0.075mol / L; then add supporting electrolyte so that the concentration of supporting electrolyte is 0.2mol / L; finally add conductive carbon material, Ultrasonic oscillation at 25°C for 1.5 hours to prepare a composite solution for electrochemical deposition;
[0016] 2) Select the current collector of the MEMS supercapacitor as the working electrode; select the platinum sheet as the counter electrode, and select the saturated calomel electrode as the reference electrode; then place the working electrode, the counter electrode, and the reference electrode in the composite solution for electrochemical deposition at the same time Perform cyclic voltammetry electrochemical polymerization; when performing cyclic vol...
Embodiment 2
[0019] A method for preparing a composite membrane electrode material applied to a MEMS supercapacitor, the method is realized by the following steps:
[0020] 1) Add conductive polymer monomer to distilled water so that the concentration of conductive polymer monomer is 0.075mol / L; then add supporting electrolyte so that the concentration of supporting electrolyte is 0.2mol / L; finally add conductive carbon material, Ultrasonic oscillation at 25°C for 1.5 hours to prepare a composite solution for electrochemical deposition;
[0021] 2) Select the current collector of the MEMS supercapacitor as the working electrode; select the platinum sheet as the counter electrode, and select the saturated calomel electrode as the reference electrode; then place the working electrode, the counter electrode, and the reference electrode in the composite solution for electrochemical deposition at the same time Perform cyclic voltammetry electrochemical polymerization; when performing cyclic vol...
Embodiment 3
[0024] A method for preparing a composite membrane electrode material applied to a MEMS supercapacitor, the method is realized by the following steps:
[0025] 1) Add conductive polymer monomer to distilled water, so that the concentration of conductive polymer monomer is 0.05mol / L; then add supporting electrolyte, so that the concentration of supporting electrolyte is 0.1mol / L; finally add conductive carbon material, in Ultrasonic oscillation at 20°C for 1 hour to prepare a composite solution for electrochemical deposition;
[0026]2) Select the current collector of the MEMS supercapacitor as the working electrode; select the platinum sheet as the counter electrode, and select the saturated calomel electrode as the reference electrode; then place the working electrode, the counter electrode, and the reference electrode in the composite solution for electrochemical deposition at the same time Perform cyclic voltammetry electrochemical polymerization; when performing cyclic vol...
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