A coupled penetration-tension method for evaluating the reliability of battery separators

Jianchao Chen, Tao Sun, Yue Qi, Xiaodong Li

    Research output: Contribution to journalArticle

    • 9 Citations

    Abstract

    The mechanical failure of battery separators could lead to catastrophic consequences such as explosion and thermal runway due to overheating and short circuiting. Therefore, there is an urgent need for mechanically charactering the separators in the way that they are mechanically loaded in the batteries. Here we report a mechanical characterization method that is able to measure the penetration strength of a battery separator under the pre-stressed condition. The experimental results unveiled that the pre-tensile stress has the potential to dramatically decrease the penetration strength of the separator, which highlights a new potential safety hazard that was not found before.

    Original languageEnglish (US)
    JournalECS Electrochemistry Letters
    Volume3
    Issue number6
    DOIs
    StatePublished - 2014

    Profile

    alpha-Crystallin B Chain
    Separators
    Carbocyclic Acids
    Acridines
    Tensile stress
    Hazards
    Hot Temperature
    Explosions

    ASJC Scopus subject areas

    • Electrochemistry
    • Materials Chemistry
    • Fuel Technology

    Cite this

    A coupled penetration-tension method for evaluating the reliability of battery separators. / Chen, Jianchao; Sun, Tao; Qi, Yue; Li, Xiaodong.

    In: ECS Electrochemistry Letters, Vol. 3, No. 6, 2014.

    Research output: Contribution to journalArticle

    Chen, Jianchao; Sun, Tao; Qi, Yue; Li, Xiaodong / A coupled penetration-tension method for evaluating the reliability of battery separators.

    In: ECS Electrochemistry Letters, Vol. 3, No. 6, 2014.

    Research output: Contribution to journalArticle

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