By a News Reporter-Staff News Editor at Energy Weekly News -- Investigators publish new report on Fullerenes. According to news reporting from Beaumont, Texas, by VerticalNews journalists, research stated, "The effects of the surface functional groups on the electrochemical properties and electrochemical energy storage were systematically studied by employing the as-received multi-walled carbon nanotubes (MWNTs) and two other MWNTs modified with ether and carboxylic acid functionalities (-C-O-C and -COOH), and ester functional groups (-COOR). The structure and morphology of the films prepared by electropolymerizing aniline onto MWNTs- coated carbon paper substrate were characterized by scanning electron microscopy and Fourier transform infrared spectroscopy."
The news correspondents obtained a quote from the research from Lamar University, "The band gaps obtained from ultraviolet-visible spectroscopy suggested slight difference in the structure of the nanocomposite films induced by the functional groups in the MWNTs. Electrochemical measurements revealed that all the nanocomposite films with MWNTs exhibited an enhanced capacitance compared to the film grown onto pure carbon paper. An energy density as high as 30 mu Wh/cm(2) corresponding to a power density of around 8 mW/cm(2) was obtained even at a high current density of 20 mA/cm(2) for the nanocomposite films. An equivalent circuit consisting of a combined resistance and a capacitor is well fitted with the electrochemical impedence spectroscopy data."
According to the news reporters, the research concluded: "Stability study showed that the nanocomposite films retained around 80% of the discharge capacity even after 1000 charge-discharge cycles, rendering these films promising for supercapacitor applications."
For more information on this research see: Electropolymerized Polyaniline Nanocomposites from Multi-Walled Carbon Nanotubes with Tuned Surface Functionalities for Electrochemical Energy Storage. Journal of the Electrochemical Society, 2013;160(7):G3038-G3045. Journal of the Electrochemical Society can be contacted at: Electrochemical Soc Inc, 65 South Main Street, Pennington, NJ 08534, USA. (The Electrochemical Society - ecsdl.org/; Journal of the Electrochemical Society - www.ecsdl.org/JES)
Our news journalists report that additional information may be obtained by contacting H.G. Wei, Lamar Univ, Dept. of Chem & Biochem, Beaumont, TX 77710, United States. Additional authors for this research include H.B. Gu, J. Guo, S.Y. Wei and Z.H. Guo.
Keywords for this news article include: Texas, Beaumont, Chemistry, Fullerenes, United States, Nanocomposite, Nanotechnology, Electrochemical, Carbon Nanotubes, Emerging Technologies, North and Central America
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