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Synthesis and characterization of Co-doped lithium manganese oxide as a cathode material for rechargeable Li-ion battery

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Abstract

An attempt has been made to prepare cobalt-doped lithium manganese oxide with three different concentrations by simple molten salt method to enhance the electrical property of Li4Mn5O12. Prepared samples were examined by XRD and SEM to identify its structure and morphology. Electrical properties were identified by impedance and conductivity analysis, and it was found that the material exhibits negative temperature coefficient (NTCR) property, i.e., semi-conducting nature. Among the various concentrations, 0.5 mol of Co-doped lithium manganese oxide has shown good conductivity of 3.1 × 10−5 S cm−1 at 433 K.

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Authors and Affiliations

  1. Department of Physics, Karpagam Academy of Higher Education, Coimbatore, India

    S. Sharmila & B. Janarthanan

  2. Department of Physics, Sri Ramakrishna Mission Vidhyalaya College of Arts and Science, Coimbatore, India

    J. Chandrasekaran

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  1. S. Sharmila
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  2. B. Janarthanan
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  3. J. Chandrasekaran
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Correspondence to S. Sharmila or B. Janarthanan.

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Sharmila, S., Janarthanan, B. & Chandrasekaran, J. Synthesis and characterization of Co-doped lithium manganese oxide as a cathode material for rechargeable Li-ion battery. Ionics 22, 1567–1574 (2016). https://doi.org/10.1007/s11581-016-1686-1

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  • DOI: https://doi.org/10.1007/s11581-016-1686-1

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