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    Facile Strategy to Low-Cost Synthesis of Hierarchically Porous, Active Carbon of High Graphitization for Energy Storage

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    Fulltext not available
    Authors
    Deng, X.
    Shi, W.
    Zhong, Y.
    Zhou, W.
    Liu, M.
    Shao, Zongping
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Deng, X. and Shi, W. and Zhong, Y. and Zhou, W. and Liu, M. and Shao, Z. 2018. Facile Strategy to Low-Cost Synthesis of Hierarchically Porous, Active Carbon of High Graphitization for Energy Storage. ACS Applied Materials and Interfaces. 10 (25): pp. 21573-21581.
    Source Title
    ACS Applied Materials and Interfaces
    DOI
    10.1021/acsami.8b04733
    ISSN
    1944-8244
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/72078
    Collection
    • Curtin Research Publications
    Abstract

    © 2018 American Chemical Society. To achieve high energy/power output, long serving life, and low cost of carbon-based electrodes for energy storage, we have developed a unique synthesis method for the fabrication of hierarchically porous carbon of high graphitization (HPCHG), derived from pyrolysis of an iron-containing organometallic precursor in a molten ZnCl2 media at relatively low temperatures. The as-prepared HPCHG has a large specific surface area (>1200 m2 g-1), abundant micro/mesopores, and plenty of surface defects. When tested in a supercapacitor (SC), the HPCHG electrode delivers 248 F g-1 at 0.5 A g-1 and a high capacitance retention of 52.4% (130 F g-1) at 50 A g-1. When tested in a sodium-ion battery (SIB), the HPCHG electrode exhibits a reversible capacity of 322 mA h g-1 at 100 mA g-1 while maintaining ~75% of the initial stable capacity after 2000 cycles with the applied current density as high as 5000 mA g-1, implying that the HPCHG electrode is very promising for energy storage.

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