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    Perovskite SrCo0.9Nb0.1O3−δ as an Anion-Intercalated Electrode Material for Supercapacitors with Ultrahigh Volumetric Energy Density

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    Authors
    Zhu, L.
    Liu, Y.
    Su, C.
    Zhou, W.
    Liu, M.
    Shao, Zongping
    Date
    2016
    Type
    Journal Article
    
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    Citation
    Zhu, L. and Liu, Y. and Su, C. and Zhou, W. and Liu, M. and Shao, Z. 2016. Perovskite SrCo0.9Nb0.1O3−δ as an Anion-Intercalated Electrode Material for Supercapacitors with Ultrahigh Volumetric Energy Density. Angewandte Chemie - International Edition. 55 (33): pp. 9576-9579.
    Source Title
    Angewandte Chemie - International Edition
    DOI
    10.1002/anie.201603601
    ISSN
    1433-7851
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/38247
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimWe have synthesized and characterized perovskite-type SrCo0.9Nb0.1O3-d(SCN) as a novel anion-intercalated electrode material for supercapacitors in an aqueous KOH electrolyte, demonstrating a very high volumetric capacitance of about 2034.6 F cm-3(and gravimetric capacitance of ca. 773.6 F g-1) at a current density of 0.5 A g-1while maintaining excellent cycling stability with a capacity retention of 95.7 % after 3000 cycles. When coupled with an activated carbon (AC) electrode, the SCN/AC asymmetric supercapacitor delivered a specific energy density as high as 37.6 Wh kg-1with robust long-term stability.

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