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

被引：0

作者：

Shiue, Angus ^{[1
]}

Chin, Kai-Yen ^{[1
]}

Chen, Po-Chou ^{[1
]}

Lin, Jia-Xian ^{[1
]}

Lin, Cheng-Liang ^{[1
]}

Chang, Shu-Mei ^{[1
]}

Leggett, Graham ^{[2
]}

机构：

[1] Natl Taipei Univ Technol, Dept Mol Sci & Engn, Sec 3,Chung Hsiao E Rd, Taipei 10608, Taiwan

[2] St Johns Innovat Ctr, LI COR Biosci, Cambridge CB4 0WS, England

来源：

INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES | 2025年 / 20卷

关键词：

manganese oxide; lithium-ion battery; nonwoven; electrolyte additives; calcination; MNO2; MEMBRANE; SEPARATORS; MECHANISM; ELECTRODE; ALPHA-MNO2; CHALLENGES; OXYGEN; BETA; LIFE;

D O I：

10.1093/ijlct/ctaf002

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

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 degrees 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.

引用

页码：466 / 479

页数：14

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