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    Electrochemical energy storage devices using electrodes incorporating carbon nanocoils and metal oxides nanoparticles

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    Type
    Article
    Authors
    Baby, Rakhi Raghavan
    Cha, Dong Kyu
    Chen, Wei
    Alshareef, Husam N. cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Core Labs
    Functional Nanomaterials and Devices Research Group
    Imaging and Characterization Core Lab
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2011-07-06
    Online Publication Date
    2011-07-06
    Print Publication Date
    2011-07-28
    Permanent link to this record
    http://hdl.handle.net/10754/561821
    
    Metadata
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    Abstract
    Carbon nanocoil (CNC) based electrodes are shown to be promising candidates for electrochemical energy storage applications, provided the CNCs are properly functionalized. In the present study, nanocrystalline metal oxide (RuO 2, MnO2, and SnO2) dispersed CNCs were investigated as electrodes for supercapacitor applications using different electrochemical methods. In the two electrode configuration, the samples exhibited high specific capacitance with values reaching up to 311, 212, and 134 F/g for RuO2/CNCs, MnO2/CNCs, and SnO2/CNCs, respectively. The values obtained for specific capacitance and maximum storage energy per unit mass of the composites were found to be superior to those reported for metal oxide dispersed multiwalled carbon nanotubes in two electrode configuration. In addition, the fabricated supercapacitors retained excellent cycle life with ∼88% of the initial specific capacitance retained after 2000 cycles. © 2011 American Chemical Society.
    Citation
    Rakhi, R. B., Cha, D., Chen, W., & Alshareef, H. N. (2011). Electrochemical Energy Storage Devices Using Electrodes Incorporating Carbon Nanocoils and Metal Oxides Nanoparticles. The Journal of Physical Chemistry C, 115(29), 14392–14399. doi:10.1021/jp202519e
    Publisher
    American Chemical Society (ACS)
    Journal
    The Journal of Physical Chemistry C
    DOI
    10.1021/jp202519e
    ae974a485f413a2113503eed53cd6c53
    10.1021/jp202519e
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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