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Analysis of Pouch Performance to Ensure Impact Safety of Lithium-Ion Battery

Author

Listed:
  • Sunggoo Yoo

    (Department of Electronic Engineering, Chonbuk National University, Jeonju 54896, Korea)

  • Chonggi Hong

    (Cell Development team, Samsung SDI CO., LTD., Cheonan 31086, Korea)

  • Kil To Chong

    (Advances Electronics & Information Research Center, Chonbuk National University, Jeonju 54896, Korea)

  • Namo Seul

    (Kunsan National University, Gunsan 54150, Korea)

Abstract

The use of mobile devices equipped with embedded batteries is increasing. These embedded batteries are generally lithium-ion batteries in the form of a pouch. However, if an impact is applied to the embedded battery, it can potentially lead to fire and explosion. In this study, we analyzed the safety of the battery, depending on the material and shape of the surrounding pouch. Through tensile strength assessment, an elongation measurement experiment, and impact evaluation, the elements that can improve safety were found. The analysis results confirmed that, as the tensile strength and elongation increased, the impact defect rate decreased. Applying these findings to battery manufacturing can help secure impact safety.

Suggested Citation

  • Sunggoo Yoo & Chonggi Hong & Kil To Chong & Namo Seul, 2019. "Analysis of Pouch Performance to Ensure Impact Safety of Lithium-Ion Battery," Energies, MDPI, vol. 12(15), pages 1-10, July.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:15:p:2865-:d:251625
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    References listed on IDEAS

    as
    1. Sheng S. Zhang, 2012. "Improved Cyclability of Liquid Electrolyte Lithium/Sulfur Batteries by Optimizing Electrolyte/Sulfur Ratio," Energies, MDPI, vol. 5(12), pages 1-8, December.
    2. Yoon Koo Lee, 2019. "The Effect of Active Material, Conductive Additives, and Binder in a Cathode Composite Electrode on Battery Performance," Energies, MDPI, vol. 12(4), pages 1-19, February.
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