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    Optimal design of hollow core-shell structural active materials for lithium ion batteries

    Access Status
    Open access via publisher
    Authors
    Jiang, W.
    Li, T.
    Ma, Zengsheng
    Lin, J.
    Lu, Chunsheng
    Date
    2015
    Collection
    • Curtin Research Publications
    Type
    Journal Article
    Metadata
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    Abstract

    To mitigate mechanical and chemical degradation of active materials, hollow core-shell structures have been applied in lithium ion batteries. Without embedding of lithium ions, the rigid coating shell can constrain the inward volume deformation. In this paper, optimal conditions for the full use of inner hollow space are identified in terms of the critical ratio of shell thickness and inner size and the state of charge. It is shown that the critical ratios are 0.10 and 0.15 for Si particle and tube (0.12 and 0.18 for Sn particle and tube), and above which there is lack of space for further lithiation.

    Citation
    Jiang, W. and Li, T. and Ma, Z. and Lin, J. and Lu, C. 2015. Optimal design of hollow core-shell structural active materials for lithium ion batteries. Results in Physics. 5: pp. 250-252.
    Source Title
    Results in Physics
    URI
    http://hdl.handle.net/20.500.11937/58969
    DOI
    10.1016/j.rinp.2015.08.010
    Department
    Department of Mechanical Engineering

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