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Issue 6, 2013
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Synthesis of Li–Mn–O mesocrystals with controlled crystal phases through topotactic transformation of MnCO3

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Abstract

Mesocrystals of Li–Mn–O compounds, such as LiMn2O4, Li2MnO3, and LiMnO2–Li2MnO3, consisting of oriented nanoscale units were selectively produced under hydrothermal conditions from biomimetically prepared MnCO3 mesocrystals. Topotactic transformation through the intermediate phase of Mn5O8 inheriting a hierarchical structure of the MnCO3 precursor was essential for the formation of the mesocrystal compounds. The crystal phases were successfully controlled by varying the conditions for the hydrothermal reactions. The Li–Mn–O mesocrystals have considerable potential as cathodes of Li-ion batteries.

Graphical abstract: Synthesis of Li–Mn–O mesocrystals with controlled crystal phases through topotactic transformation of MnCO3

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Publication details

The article was received on 22 Nov 2012, accepted on 12 Jan 2013 and first published on 17 Jan 2013


Article type: Paper
DOI: 10.1039/C3NR33767G
Nanoscale, 2013,5, 2352-2357

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    Synthesis of Li–Mn–O mesocrystals with controlled crystal phases through topotactic transformation of MnCO3

    F. Dang, T. Hoshino, Y. Oaki, E. Hosono, H. Zhou and H. Imai, Nanoscale, 2013, 5, 2352
    DOI: 10.1039/C3NR33767G

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