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Fabrication and characterization of solution-processed carbon nanotube supercapacitors

Published online by Cambridge University Press:  10 February 2014

Suvi Lehtimäki
Affiliation:
Tampere University of Technology, Dept. of Electronics and Communications Engineering P.O. Box 692, FI-33101 Tampere, Finland
Juho Pörhönen
Affiliation:
Tampere University of Technology, Dept. of Electronics and Communications Engineering P.O. Box 692, FI-33101 Tampere, Finland
Sampo Tuukkanen
Affiliation:
Tampere University of Technology, Dept. of Electronics and Communications Engineering P.O. Box 692, FI-33101 Tampere, Finland
Pasi Moilanen
Affiliation:
Morphona Ltd. Myllärintie 1, 40640 Jyväskylä, Finland
Jorma Virtanen
Affiliation:
The University of Akron, Dept. of Polymer Engineering 250 South Forge Street, Akron, OH 44325-0301, USA
Donald Lupo
Affiliation:
Tampere University of Technology, Dept. of Electronics and Communications Engineering P.O. Box 692, FI-33101 Tampere, Finland
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Abstract

We report the fabrication and characterization of supercapacitors prepared on a flexible substrate using a printable, high-viscosity carbon nanotube (CNT) ink. The CNT-hemicellulose composite ink was prepared using ultrasonication and applied on the substrate with a doctor blade. Aqueous sodium chloride was used as electrolyte. The capacitance of the supercapacitors was 16 mF for a device size of 2 cm2. The measurements were carried out in accordance to an international standard for electric double layer capacitors.

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Articles
Copyright
Copyright © Materials Research Society 2014 

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References

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