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Preparation of LiNi0.5Mn1.5O4 cathode materials by electrospinning

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Abstract

LiNi0.5Mn1.5O4 cathode material was prepared by electrospinning using lithium hydroxide, manganese acetate, nickel acetate, acetic acid, ethanol, and poly(vinyl pyrrolidone) as raw materials. The effect of calcination temperature on the structure, morphology, and electrochemical properties was investigated. XRD results indicate that the LiNi0.5Mn1.5O4 composite is well crystallized as a spinel structure at calcination temperature of 650 °C for 3 h. SEM results reveal that this composite has a nanofiber shape with average size of about 300–500 nm. Electrochemical performance tests reveal that this composite shows the initial discharge capacity of 127.8 and 105 mAhg−1 at 0.1 and 3 C rates, respectively, and exhibits good cycling performance.

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Acknowledgments

The study was sponsored by the National Natural Science Foundation of China (51574168, 51574170, and 51404156).

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Correspondence to Ling Wu.

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Zhong, S., Hu, P., Luo, X. et al. Preparation of LiNi0.5Mn1.5O4 cathode materials by electrospinning. Ionics 22, 2037–2044 (2016). https://doi.org/10.1007/s11581-016-1736-8

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  • DOI: https://doi.org/10.1007/s11581-016-1736-8

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