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

Angus Shiue, Kai-Yen Chin, Po-Chou Chen, Jia-Xian Lin, Cheng-Liang Lin, Shu-Mei Chang and Graham Leggett

International Journal of Low-Carbon Technologies, 2025, vol. 20, 466-479

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.

Keywords: manganese oxide; lithium-ion battery; nonwoven; electrolyte additives; calcination (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:20:y:2025:i::p:466-479.

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