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    Failure prediction of high-capacity electrode materials in lithium-ion batteries

    241081_241081.pdf (2.561Mb)
    Access Status
    Open access
    Authors
    Wang, C.
    Ma, Z.
    Wang, Y.
    Lu, Chunsheng
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Wang, C. and Ma, Z. and Wang, Y. and Lu, C. 2016. Failure prediction of high-capacity electrode materials in lithium-ion batteries. Journal of the Electrochemical Society. 163 (7): pp. A1157-A1163.
    Source Title
    Journal of the Electrochemical Society
    DOI
    10.1149/2.0251607jes
    ISSN
    0013-4651
    School
    Department of Mechanical Engineering
    Remarks

    This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by/4.0/

    URI
    http://hdl.handle.net/20.500.11937/26381
    Collection
    • Curtin Research Publications
    Abstract

    The large volume change during lithium-ion insertion/extraction leads to huge stress and even failure of active materials. To well understand such a problem, the two-phase lithiation process of film and hollow core-shell electrodes is simulated by using a non-linear diffusion lithiation model. The dynamic evolution of lithium-ion concentration and diffusion-induced stress are obtained. Based on the dimensional analysis, a phase diagram is determined to demonstrate the relationship between critical failure, structure dimensions and mechanical properties. As a case study, the critical state of charge in Sn films are measured and compared with theoretical results.

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