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    A Novel Graphite�Graphite Dual Ion Battery Using an AlCl3�[EMIm]Cl Liquid Electrolyte

    Access Status
    Fulltext not available
    Authors
    Li, Z.
    Liu, Jian
    Niu, B.
    Li, J.
    Kang, F.
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Li, Z. and Liu, J. and Niu, B. and Li, J. and Kang, F. 2018. A Novel Graphite�Graphite Dual Ion Battery Using an AlCl3�[EMIm]Cl Liquid Electrolyte. Small. 14 (28).
    Source Title
    Small
    DOI
    10.1002/smll.201800745
    ISSN
    1613-6810
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/70994
    Collection
    • Curtin Research Publications
    Abstract

    © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Herein, a novel graphite–graphite dual ion battery (GGDIB) based on a AlCl3/1-ethyl-3-methylimidazole Cl ([EMIm]Cl) room temperature ionic liquid electrolyte, using conductive graphite paper as cathode and anode material is developed. The working principle of the GGDIB is investigated, that is, metallic aluminum is deposited/dissolved on the surface of the anode, and chloroaluminate ions are intercalated/deintercalated in the cathode material. The self-discharge phenomenon and pseudocapacitive behavior of the GGDIB are also analyzed. The GGDIB shows excellent rate performance and cycle performance due to the high ionic conductivity of ionic liquids. The initial discharge capacity is 76.5 mA h g-1 at a current density of 200 mA g-1 over a voltage window of 0.1–2.3 V, and the capacity remains at 62.3 mA h g-1 after 1000 cycles with a corresponding capacity retention of 98.42% at a current density of 500 mA g-1. With the merits of environmental friendliness and low cost, the GGDIB has a great advantage in the future of energy storage application.

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