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Issue 18, 2012
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Interconnected porous MnO nanoflakes for high-performance lithium ion battery anodes

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Abstract

Interconnected porous MnO nanoflakes on nickel foam were prepared by a reduction of hydrothermal synthesized MnO2 precursor in hydrogen. The architectures were applied to lithium ion batteries as electrodes. Compared with the as-synthesized MnO2 anode, porous MnO nanoflakes showed superior cycling stability and rate performance. A high reversible capacity of 568.7 mA h g−1 was obtained at a current density of 246 mA g−1 for the second discharge. It retained a capacity of 708.4 mA h g−1 at the 200th charge–discharge cycle after cycling with various current densities up to 2460 mA g−1 and delivered a capacity of 376.4 mA h g−1 at a current density as high as 2460 mA g−1, indicating that the architecture of the porous MnO nanoflakes grown on Ni foam is a promising electrode for lithium ion batteries.

Graphical abstract: Interconnected porous MnO nanoflakes for high-performance lithium ion battery anodes

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Publication details

The article was received on 31 Jan 2012, accepted on 08 Mar 2012 and first published on 13 Mar 2012


Article type: Paper
DOI: 10.1039/C2JM30604B
Citation: J. Mater. Chem., 2012,22, 9189-9194
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    Interconnected porous MnO nanoflakes for high-performance lithium ion battery anodes

    X. Li, D. Li, L. Qiao, X. Wang, X. Sun, P. Wang and D. He, J. Mater. Chem., 2012, 22, 9189
    DOI: 10.1039/C2JM30604B

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