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Electrochemical performance improvement of coin cell lithium-ion lithium manganese dioxide battery

Author

Listed:
  • Angus Shiue
  • Kai-Yen Chin
  • Po-Chou Chen
  • Jia-Xian Lin
  • Cheng-Liang Lin
  • Shu-Mei Chang
  • Graham Leggett

Abstract

Lithium-manganese oxide batteries are known for their long-term storage capabilities, characterized by low impedance and high discharge capacity. This study aims to enhance these properties by optimizing key battery components. XRD analysis of MnO2 (MD) powder, heat-treated at 400 °C for 5 hours, revealed improved discharge capacity. In addition, hot-pressed polypropylene nonwoven separators with electrolyte absorption exceeding 67 mg successfully reduced after-discharge impedance with minimal capacity loss (0.96%–1.26%). Last, the use of electrolyte additives led to a significant reduction in impedance for commercial electrolytes X and Y, contributing to overall battery performance improvement.

Suggested Citation

  • Angus Shiue & Kai-Yen Chin & Po-Chou Chen & Jia-Xian Lin & Cheng-Liang Lin & Shu-Mei Chang & Graham Leggett, 2025. "Electrochemical performance improvement of coin cell lithium-ion lithium manganese dioxide battery," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 20, pages 466-479.
    • Handle: RePEc:oup:ijlctc:v:20:y:2025:i::p:466-479.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctaf002
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