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Solution route synthesis of dendrite Cu6Sn5 powders, anode material for lithium-ion batteries

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Abstract

Intermetallic dendrite particles, such as Cu6Sn5 compound, possible anode materials for high power lithium-ion batteries, can be synthesized by using solution technique. Solution route method can induce the formation of the compound by performing a redox reaction between metal chloride salts and metallic reducing powder in a suitable solvent. The morphological features and single-phase formation corresponding to different processing conditions including solvent type, reducing agent particle size, and reaction temperature, were determined. The X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) results illustrate the dendritic morphology of Cu6Sn5 particles with small amount of impurities, which can be synthesized by using ethylene glycol as solvent and zinc powder as reducing agent. Reducing agent particle size and reaction temperature have a very small effect on the formation of the Cu6Sn5 dendrite powder.

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Acknowledgements

The CMU electron microscopy research and service center is thanked for sample testing. Supports for this work from the Thailand Research Fund (TRF) and The Commission on Higher Education, contract no MRG4680166, are gratefully acknowledged.

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Authors and Affiliations

  1. Department of Chemistry, Chiang Mai University, Chiang Mai, 50200, Thailand

    T. Sarakonsri, T. Apirattanawan & S. Tungprasurt

  2. Department of Physics, Chiang Mai University, Chiang Mai, 50200, Thailand

    T. Tunkasiri

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  1. T. Sarakonsri
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  2. T. Apirattanawan
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  3. S. Tungprasurt
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  4. T. Tunkasiri
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Correspondence to T. Sarakonsri.

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Sarakonsri, T., Apirattanawan, T., Tungprasurt, S. et al. Solution route synthesis of dendrite Cu6Sn5 powders, anode material for lithium-ion batteries. J Mater Sci 41, 4749–4754 (2006). https://doi.org/10.1007/s10853-006-0029-4

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  • DOI: https://doi.org/10.1007/s10853-006-0029-4

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