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  • Designing MOFs-Derived FeS2@Carbon Composites for High-Rate Sodium Ion Storage with Capacitive Contributions

    Author(s)
    Shao, Meng
    Cheng, Yuanyuan
    Zhang, Tao
    Li, Sheng
    Zhang, Weina
    Zheng, Bing
    Wu, Jiansheng
    Xiong, Wei-Wei
    Huo, Fengwei
    Lu, Jun
    Griffith University Author(s)
    Li, Sheng
    Year published
    2018
    Metadata
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    Abstract
    Sodium-ion batteries suffer the disadvantages of poor rate performance and cycling stability due to its sluggish sodiation kinetics. A rational design strategy for both materials compositions and structures has been proposed to meet these challenges. Herein, a triple-component composite derived from metal–organic frameworks, comprising FeS2, nitrogen–sulfur co-doped porous carbon, and reduced graphene oxide (FeS2@NSC/G), has been successfully synthesized. With the capacities contributions from different sodium storage routes (diffusion-controlled processes and surface capacitive processes) at varies rate conditions, it is ...
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    Sodium-ion batteries suffer the disadvantages of poor rate performance and cycling stability due to its sluggish sodiation kinetics. A rational design strategy for both materials compositions and structures has been proposed to meet these challenges. Herein, a triple-component composite derived from metal–organic frameworks, comprising FeS2, nitrogen–sulfur co-doped porous carbon, and reduced graphene oxide (FeS2@NSC/G), has been successfully synthesized. With the capacities contributions from different sodium storage routes (diffusion-controlled processes and surface capacitive processes) at varies rate conditions, it is aiming to make full use of each component in the electrode composite and their unique porous structures. Expected electrode properties have been achieved and related electrochemical behaviors have also been investigated. The strategy would present a promising thought for composites design, which could enhance high-rate electrochemical energy storage performances.
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    Journal Title
    ACS APPLIED MATERIALS & INTERFACES
    Volume
    10
    Issue
    39
    DOI
    https://doi.org/10.1021/acsami.8b10110
    Subject
    Chemical sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/383304
    Collection
    • Journal articles

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