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Synthesis of Ordered Mesoporous Li–Mn–O Spinel as a Positive Electrode for Rechargeable Lithium Batteries

Authors

  • Feng Jiao Dr.,

    1. EaStChem and School of Chemistry, University of St. Andrews, The Purdie Building, North Haugh, St Andrews KY16 9ST (UK)
    2. Current address: Physical Biosciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, CA 94720 (USA)
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  • Jianli Bao,

    1. EaStChem and School of Chemistry, University of St. Andrews, The Purdie Building, North Haugh, St Andrews KY16 9ST (UK)
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  • Adrian H. Hill,

    1. School of Chemistry and EaStChem, University of Edinburgh, Joseph Black Building, West Mains Road, Edinburgh EH9 3JJ (UK)
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  • Peter G. Bruce Prof.

    1. EaStChem and School of Chemistry, University of St. Andrews, The Purdie Building, North Haugh, St Andrews KY16 9ST (UK)
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  • P.G.B. is indebted to the EPSRC (SUPERGEN) and the EU for financial support. A.H.H. would like to thank Dr. Ronald Brown for the assistance with the XPS setup.

Abstract

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Sturdy spinel: A mesoporous Li–Mn–O spinel (Li1.12Mn1.88O4) with superior rate capability at ambient temperature is synthesized. Comparable stability to the bulk material at elevated temperatures is also observed, despite a surface area of 90 m2 g−1 for the mesopore, suggesting that the internal mesopore surfaces are more stable than the external surface.

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