Influence of Approtic Solvents on Negative Electrode Material Properties for Lithium-ion Batteries

Authors

  • Jiři Libich Department of Electrical and Electronic Technology, The Faculty of Electrical Engineering and Communication, Brno University of Technology, Czech Republic
  • Josef Máca Department of Electrical and Electronic Technology, The Faculty of Electrical Engineering and Communication, Brno University of Technology, Czech Republic
  • Marie Sedlaříková Department of Electrical and Electronic Technology, The Faculty of Electrical Engineering and Communication, Brno University of Technology, Czech Republic
  • Jiří Vondrák Department of Electrical and Electronic Technology, The Faculty of Electrical Engineering and Communication, Brno University of Technology, Czech Republic

Keywords:

Battery, Lithium, Safety, Capacity, LTO

Abstract

Following article is focuses on safety and stability of lithium-ion batteries. This kind of aprotic batteries is very good known for the number of advantages. Generally, they are used at small portable devices as cells, laptops and other similar applications. Lithium-ion batteries seem to be suitable for using in electric vehicles, in particular due to their high specific energy density. This unusual application of lithium-ion batteries puts on specific demands to their parameters e.g. high cyclability, temperature stability etc. In this article, we have focused on materials for negative electrode along with aprotic solvents. Currently, the most of commercially used lithium-ion batteries have got a negative electrode made from graphite material with specific capacity 372mAh/g. As an appropriate successor of graphite, it can be considered a spinel Lithium-Titanate-Oxide (LTO), with theoretical capacity 175 mAh/g. The liquid electrolyte solvents for lithium-ion batteries should be safe in condition of using in high performance applications. Among important parameters of aprotic solvent belong thermal resistibility, high flash point and compatibility with electrode materials. In our experiments was used organic solvents ethylene carbonate, dimethyl carbonate and sulfolane.

Author Biography

  • Jiři Libich, Department of Electrical and Electronic Technology, The Faculty of Electrical Engineering and Communication, Brno University of Technology, Czech Republic

    Doctoral student.

References

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Published

01-07-2016

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Section

Research Paper

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How to Cite

Libich, J., Máca, J., Sedlaříková, M., & Vondrák, J. (2016). Influence of Approtic Solvents on Negative Electrode Material Properties for Lithium-ion Batteries. Advances in Military Technology, 11(1), 5-12. https://aimt.cz/index.php/aimt/article/view/1067

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