Research and analyze material composition electrodes of Li-ion battery with high discharge current

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Authors

  • Doan Minh Cuong (Corresponding Author) Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Vu Minh Thanh Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Bui Van Tai Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Pham Thi Phuong Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Nguyen Van Tu Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Doan Tuan Anh Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Dao The Nam Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Dinh Van Long Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Mai Van Phuoc Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Phan Thi Dinh Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Nguyen Thi Thu Ninh Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Le Tran Tiep Institute of Chemistry and Materials, Academy of Military Science and Technology

DOI:

https://doi.org/10.54939/1859-1043.j.mst.93.2024.63-70

Keywords:

Li-ion battery; Electrodes; Active Material; High discharge current.

Abstract

 The monolithic cylindrical Li-ion battery, measuring 360 × 50mm (length × diameter), possesses the following electrochemical specifications: voltage of 3.7 V and a capacity of 40 Ah. It was disassembled for the purpose of researching electrode materials. Advanced materials analysis techniques, such as scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), and inductively coupled plasma mass spectrometry (ICP MS), were employed to ascertain the composition, morphology, and structure of the electrode materials. The analytical findings indicate that the positive electrode comprises an active material primarily composed of Lithium Cobalt Oxide, along with additives coated on an aluminum (Al) foil with a thickness of 25 micrometers. The primary constituent of the negative active material is graphite, coated on copper (Cu) foil with a thickness of 20 micrometers.

References

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Published

25-02-2024

How to Cite

Đoàn, M. C., M. T. Vu, V. T. Bui, T. P. Pham, V. T. Nguyen, T. A. Doan, T. N. Dao, V. L. Dinh, V. P. Mai, T. D. Phan, Nguyễn Thị Thu Ninh, and Lê Trần Tiệp. “Research and Analyze Material Composition Electrodes of Li-Ion Battery With High Discharge Current”. Journal of Military Science and Technology, vol. 93, no. 93, Feb. 2024, pp. 63-70, doi:10.54939/1859-1043.j.mst.93.2024.63-70.

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