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  • Facile and Scalable Approach To Fabricate Granadilla-like Porous-Structured Silicon-Based Anode for Lithium Ion Batteries

    Author(s)
    Guan, Peng
    Li, Jianjiang
    Lu, Taige
    Guan, Tong
    Ma, Zhaoli
    Peng, Zhi
    Zhu, Xiaoyi
    Zhang, Lei
    Griffith University Author(s)
    Zhang, Lei
    Year published
    2018
    Metadata
    Show full item record
    Abstract
    A porous silicon and carbon composite (PSi/C) with granadilla-like structure as an anode material for lithium-ion batteries has been easily fabricated by spray drying and subsequent pyrolysis treatments. For the PSi/C, yolk–shell-structured Si/C nanobeads are equably distributed inside the porous carbon framework. The key point of this work is the combination of the advantages of both the yolk–shell structure and porous structure in one system. The void space inside the yolk–shell Si/C nanobeads and the interconnected three-dimensional porous carbon frameworks can effectively enhance the cyclic stability and conductivity of ...
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    A porous silicon and carbon composite (PSi/C) with granadilla-like structure as an anode material for lithium-ion batteries has been easily fabricated by spray drying and subsequent pyrolysis treatments. For the PSi/C, yolk–shell-structured Si/C nanobeads are equably distributed inside the porous carbon framework. The key point of this work is the combination of the advantages of both the yolk–shell structure and porous structure in one system. The void space inside the yolk–shell Si/C nanobeads and the interconnected three-dimensional porous carbon frameworks can effectively enhance the cyclic stability and conductivity of this composite. As expected, PSi/C with 15.4% silicon content exhibited a specific capacity as high as 1357.43 mAh g–1 and retained 933.62 mAh g–1 beyond 100 cycles at 100 mA g–1. Moreover, it showed a reversible specific capacity as high as 610.38 mAh g–1 at 1000 mA g–1, even after 3000 cycles.
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    Journal Title
    ACS Applied Materials and Interfaces
    Volume
    10
    Issue
    40
    DOI
    https://doi.org/10.1021/acsami.8b12071
    Subject
    Chemical Sciences not elsewhere classified
    Chemical Sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/382430
    Collection
    • Journal articles

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