| Supercapacitive Properties of Polyaniline Electrode Electrodeposited on Carbon Nanotube/Acetonitrile-Butadiene Rubber as a Flexible Current Collector |
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Jee-Hye Park, Sang-Hern Kim, Jang-Myoun Ko, Young-Gi Lee, Kwang-Man Kim |
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Division of Applied Chemistry and Biotechnology, Hanbat National University;Division of Applied Chemistry and Biotechnology, Hanbat National University;Division of Applied Chemistry and Biotechnology, Hanbat National University;Research Team of Power Control Devices, Electronics and Telecommunications Research Institute (ETRI);Research Team of Power Control Devices, Electronics and Telecommunications Research Institute (ETRI); |
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| Abstract |
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Flexible sheets consisting of acrylonitrile-butadiene rubber (NBR) and carbon nanotube (CNT) are newly prepared varying the composition (CNT 20-25 wt.%) for use as a current collector of supercapacitor electrodes. The as-prepared CNT/NBR is electrodeposited with aniline using potentiodynamic cyclic voltammetry to yield a polyaniline (PANI)/CNT/NBR composite electrode. It is confirmed that the electrical conductivity of CNT/NBR current collector can be enhanced as the content of CNT increases. Cyclic voltammetry result shows that the sample of PANI/CNT(25 wt.%)/NBR composite achieves a maximum specific capacitance ($134.9;F;g^{-1}$) at $5;mV;s^{-1}$. Such supercapacitor application is possibly originated from the synergistic effects consisting of higher polarity of nitrile groups in NBR, conducting pathway of CNT, and electroactive property of PANI. |
| Key Words:
Acrylonitrile-butadiene rubber, Carbon nanotube, Polyaniline, Supercapacitor |
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