A high-capacitance flexible solid-state super capacitor based on polyvinyl chloride, carbon nanotubes and polyaniline
Publish place: 20th Iranian Chemical Congress
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IRANCC20_594
تاریخ نمایه سازی: 28 اردیبهشت 1398
Abstract:
Flexible super capacitors are desirable as potential energy storage systems for wearable technologies [1,2]. Herein, we synthesize PVC-MWCNT-PANI nanocomposite films via sonicating of a mixture containing poly vinyl chloric, multi walled carbon nanotubes and polyaniline in NMP solvent and then drying in 100 °C. The surface morphology of the fabricated films was characterized using scanning electron microscopy (SEM) while their electrochemical activity was investigated using cyclic voltammetry (CV), galvanostatic charge/discharge and electrochemical impedance spectroscopy (EIS) procedures. The electrochemical measurements of the samples confirmed that PANI-PVC film does not show suitable capacitive behavior where the introduction of MWCNTs in the composite can significantly improve the capacitive behavior characteristic of PANI-PVC film. The modified electrode exhibited much higher specific capacitance (20 mF cm-2) compared to the PVC-MWCNT (3 mF cm-2) at a current density of 0.5 mA cm-2, indicating its great potential for flexible super capacitor applications.
Authors
Masoud faraji
Electrochemistry Research Laboratory, Department of Physical Chemistry, Chemistry Faculty, Urmia University, Urmia, Iran
hossein mohamadzadeh
Electrochemistry Research Laboratory, Department of Physical Chemistry, Chemistry Faculty, Urmia University, Urmia, Iran