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IR Investigation and Electrochemical Properties of Li-doped Spinel Li1 + x Mn2 – x O4 Prepared by a Simplified Technique

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Abstract

A simplified technique for synthesizing LiMn2O4 directly from lithium acetate and manganese acetate is introduced. The reaction mechanism is investigated by IR spectroscopy. Lithium-doped spinel materials show stronger Mn–O bonds and more stable structure than pure spinel by the IR spectroscopy investigations. The resultant materials show well-crystallized and small particles with a narrow size distribution and have a high initial reversible capacity of 127.6 mA h/g for x = 0.06 and can retain a capacity of 107 mA h/g after 100 cycles.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, People's Republic of China

    Z. Zheng, Z. Tang, Zh. Zhang & W. Shen

  2. Department of Chemistry, Zhangzhou Teachers College, Zhangzhou, Fujian, 363000, People's Republic of China

    Z. Zheng

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  1. Z. Zheng
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  2. Z. Tang
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  3. Zh. Zhang
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  4. W. Shen
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Zheng, Z., Tang, Z., Zhang, Z. et al. IR Investigation and Electrochemical Properties of Li-doped Spinel Li1 + x Mn2 – x O4 Prepared by a Simplified Technique. Russian Journal of Electrochemistry 39, 274–278 (2003). https://doi.org/10.1023/A:1022871626426

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  • DOI: https://doi.org/10.1023/A:1022871626426

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