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    Rechargeable Aqueous Zinc-Ion Battery Based on Porous Framework Zinc Pyrovanadate Intercalation Cathode

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    Type
    Article
    Authors
    Xia, Chuan cc
    Guo, Jing
    Lei, Yongjiu cc
    Liang, Hanfeng cc
    Zhao, Chao cc
    Alshareef, Husam N. cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Functional Nanomaterials and Devices Research Group
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2017-12-11
    Online Publication Date
    2017-12-11
    Print Publication Date
    2018-02
    Permanent link to this record
    http://hdl.handle.net/10754/626636
    
    Metadata
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    Abstract
    In this work, a microwave approach is developed to rapidly synthesize ultralong zinc pyrovanadate (Zn3V2O7(OH)2·2H2O, ZVO) nanowires with a porous crystal framework. It is shown that our synthesis strategy can easily be extended to fabricate other metal pyrovanadate compounds. The zinc pyrovanadate nanowires show significantly improved electrochemical performance when used as intercalation cathode for aqueous zinc–ion battery. Specifically, the ZVO cathode delivers high capacities of 213 and 76 mA h g−1 at current densities of 50 and 3000 mA g−1, respectively. Furthermore, the Zn//ZVO cells show good cycling stability up to 300 cycles. The estimated energy density of this Zn cell is ≈214Wh kg−1, which is much higher than commercial lead–acid batteries. Significant insight into the Zn-storage mechanism in the pyrovanadate cathodes is presented using multiple analytical methods. In addition, it is shown that our prototype device can power a 1.5 V temperature sensor for at least 24 h.
    Citation
    Xia C, Guo J, Lei Y, Liang H, Zhao C, et al. (2017) Rechargeable Aqueous Zinc-Ion Battery Based on Porous Framework Zinc Pyrovanadate Intercalation Cathode. Advanced Materials: 1705580. Available: http://dx.doi.org/10.1002/adma.201705580.
    Sponsors
    C.X. and J.G. contributed equally to this work. Research reported in this publication has been supported by King Abdullah University of Science and Technology (KAUST).
    Publisher
    Wiley
    Journal
    Advanced Materials
    DOI
    10.1002/adma.201705580
    PubMed ID
    29226488
    Additional Links
    http://onlinelibrary.wiley.com/doi/10.1002/adma.201705580/full
    ae974a485f413a2113503eed53cd6c53
    10.1002/adma.201705580
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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