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J. Electrochem. Sci. Technol > Volume 1(1); 2010 > Article
Journal of Electrochemical Science and Technology 2010;1(1):25-30.
DOI: https://doi.org/10.5229/JECST.2010.1.1.025   
Composite Materials with MWCNTs and Conducting Polymer Nanorods and their Application as Supercapacitors
Lichun Liua, Sang-Hoon Yoo, Sung-Ho Park
Department of Chemistry, Sungkyunkwan University;Department of Energy Science, Sungkyunkwan University;SKKU Advanced Institute of Nanotechnology, Sungkyunkwan University;
This study demonstrated the synthesis of high-surface-area metal-free carbonaceous electrodes (CE) from anodic aluminum oxide (AAO) templates, and their application as supercapacitors. Multi-walled Carbon nanotubes (MWCNTs) were interwoven into a porous network sheet that was attached to one side of AAO template through a vacuum filtration of the homogeneously dispersed MWCNT toluene solution. Subsequently, the conducting polymer was electrochemically grown into the porous MWCNT network and nanochannels of AAO, leading to the formation of a carbonaceous metal-free film electrode with a high surface area in the given geometrical surface area. Typical conducting polymers such as polypyrrole (PPY) and poly(3,4-ethylenedioxythiophene) (PEDOT) were examined as model systems, and the resulting electrodes were investigated as supercapacitors (SCs). These SCs exhibited stable, high capacitances, with values as high as 554 F/g, 1.08 F/$cm^2$ for PPY and 237 F/g, 0.98 F/$cm^2$ for PEDOT, that were normalized by both the mass and geometric area.
Key Words: AAO, MWCNT, Polypyrrole, PEDOT, Conducting polymer, Nanorods, Supercapacitor
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