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Updated: Mar 22, 2026
Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
Published on: January 7, 2022
Transparent and flexible high-performance supercapacitors based on single-walled carbon nanotube films
Petri Kanninen1, Nguyen Dang Luong2, Le Hoang Sinh2,3
1Research Group of Electrochemical Energy Conversion and Storage, Department of Chemistry, School of Chemical Technology, Aalto University, PO Box 16100, FI-00076 Aalto, Finland.
Abstract:
Transparent and flexible energy storage devices have garnered great interest due to their suitability for display, sensor and photovoltaic applications. In this paper, we report the application of aerosol synthesized and dry deposited single-walled carbon nanotube (SWCNT) thin films as electrodes for an electrochemical double-layer capacitor (EDLC). SWCNT films exhibit extremely large specific capacitance (178 F g(-1) or 552 μF cm(-2)), high optical transparency (92%) and stability for 10 000 charge/discharge cycles. A transparent and flexible EDLC prototype is constructed with a polyethylene casing and a gel electrolyte.
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