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Structural and electrochemical properties of LiNi0.4Co0.4−xAl0.2+xO2 cathode materials for lithium-ion batteries

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Abstract

Three Al doped lithium nickel cobalt oxide (LiNi0.4Co0.4−xAl0.2+xO2) cathode materials for lithium ion batteries were synthesized by solid state reaction method at a temperature of 800 °C for 18 hours. The samples were crystalline as revealed by powder X-Ray diffraction (XRD). The ratios of the elements were determined by Energy Dispersive Analysis of X-rays (EDAX). The electrochemical properties obtained by charge/discharge cycling showed that the average discharge capacity for LiNi0.4Co0.4Al0.2O2 was 117 mAh/g. A good capacity retention was also shown by the material upon cycling.

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Authors and Affiliations

  1. Chemistry Department, University of Malaya, 50603, Kuala Lumpur, Malaysia

    V. Sethuprakhash & W. J. Basirun

  2. Physics Department, University of Malaya, 50603, Kuala Lumpur, Malaysia

    A. K. Arof

Authors
  1. V. Sethuprakhash
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  2. W. J. Basirun
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  3. A. K. Arof
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Sethuprakhash, V., Basirun, W.J. & Arof, A.K. Structural and electrochemical properties of LiNi0.4Co0.4−xAl0.2+xO2 cathode materials for lithium-ion batteries. Ionics 11, 406–409 (2005). https://doi.org/10.1007/BF02430256

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  • DOI: https://doi.org/10.1007/BF02430256

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