Fabrication and characterization of solution-processed carbon nanotube supercapacitors

Lehtimäki, Suvi; Pörhönen, Juho; Tuukkanen, Sampo; Moilanen, Pasi; Virtanen, Jorma; Lupo, Donald (2014)
 
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Lehtimäki, Suvi
Pörhönen, Juho
Tuukkanen, Sampo
Moilanen, Pasi
Virtanen, Jorma
Lupo, Donald
MATERIALS RESEARCH SOCIETY
2014


2013 MRS Fall Meeting - Symposium SS/XX - Micro- and Nanoscale Systems - Novel Materials, Structures and Devices
doi:10.1557/opl.2014.178
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https://urn.fi/URN:NBN:fi:tty-201603183710

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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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