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

Feng Dang, Tatsuhiko Hoshino, Yuya Oaki, Eiji Hosono, Haoshen Zhou, Hiroaki Imai

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Mesocrystals of Li-Mn-O compounds, such as LiMn2O4, Li2MnO3, and LiMnO2-Li2MnO 3, 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 MnCO 3 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.

Original languageEnglish
Pages (from-to)2352-2357
Number of pages6
JournalNanoscale
Volume5
Issue number6
DOIs
Publication statusPublished - 2013 Mar 21

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Cathodes
Crystals
Lithium-ion batteries
lithium manganese oxide

ASJC Scopus subject areas

  • Materials Science(all)

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Synthesis of Li-Mn-O mesocrystals with controlled crystal phases through topotactic transformation of MnCO3. / Dang, Feng; Hoshino, Tatsuhiko; Oaki, Yuya; Hosono, Eiji; Zhou, Haoshen; Imai, Hiroaki.

In: Nanoscale, Vol. 5, No. 6, 21.03.2013, p. 2352-2357.

Research output: Contribution to journalArticle

Dang, Feng ; Hoshino, Tatsuhiko ; Oaki, Yuya ; Hosono, Eiji ; Zhou, Haoshen ; Imai, Hiroaki. / Synthesis of Li-Mn-O mesocrystals with controlled crystal phases through topotactic transformation of MnCO3. In: Nanoscale. 2013 ; Vol. 5, No. 6. pp. 2352-2357.
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