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Li1+x Mn2−x O4 (0 ≤ x ≤ 0.2) spinel mesorod cathode materials for rechargeable lithium batteries

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Abstract

Li1+x Mn2−x O4 (0 ≤ x ≤ 0.2) mesorods have been synthesized by using β-MnO2 mesorods as a self-template, and obtained by a hydrothermal reaction of K2Mn4O8. Various techniques were used to characterize the structural and morphological features of the synthesized samples. Among the Li1+x Mn2−x O4 (0 ≤ x ≤ 0.2) compositions investigated, the Li1.05Mn1.95O4 mesorods exhibit the best electrochemical performance, with a reversible capacity of 108 and 102 mAh g−1 at 3 C and 5 C rates, respectively, with a capacity retention of 89% over 100 cycles. The enhanced electrochemical performance is attributed to a facile lithium-ion and electron transport, facilitated by the mesorod morphology.

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Authors and Affiliations

  1. Division of Advanced Materials Engineering, Kongju National University, Chungnam, 330-717, Korea

    Sukeun Yoon

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  1. Sukeun Yoon
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Correspondence to Sukeun Yoon.

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Yoon, S. Li1+x Mn2−x O4 (0 ≤ x ≤ 0.2) spinel mesorod cathode materials for rechargeable lithium batteries. Electron. Mater. Lett. 10, 1133–1136 (2014). https://doi.org/10.1007/s13391-014-4122-6

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  • DOI: https://doi.org/10.1007/s13391-014-4122-6

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