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Issue 43, 2011
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Hierarchical self-assembly of Mn2Mo3O8–graphene nanostructures and their enhanced lithium-storage properties

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Abstract

Hierarchically nanostructured Mn2Mo3O8graphene nanocomposites have been successfully synthesized in large quantities through a facile two-step reduction approach. The unique Mn2Mo3O8graphene nanohybrids are composed of graphene-wrapped secondary microspheres of ∼3–5 μm in diameter that are built from many Mn2Mo3O8 nanosheets with thicknesses of 10–15 nm and widths of 80–120 nm. The as-formed Mn2Mo3O8graphene nanohybrids have been applied as anodes for lithium-ion batteries, and show better lithium storage performance compared to the bare Mn2Mo3O8 nanostructures. The enhanced capacity and cycling performance of the Mn2Mo3O8graphene nanoarchitectures may benefit from the synergistic effects of the nanohybridization. Graphene layers can hinder the agglomeration and enhance the electronic conductivity of the active materials. This facile strategy may be extended to fabricate other nanostructured graphene-encapsulated ternary metal oxides with elaborate secondary architectures.

Graphical abstract: Hierarchical self-assembly of Mn2Mo3O8–graphene nanostructures and their enhanced lithium-storage properties

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Supplementary files

Article information


Submitted
31 May 2011
Accepted
19 Aug 2011
First published
28 Sep 2011

J. Mater. Chem., 2011,21, 17229-17235
Article type
Paper

Hierarchical self-assembly of Mn2Mo3O8–graphene nanostructures and their enhanced lithium-storage properties

Y. Sun, X. Hu, W. Luo and Y. Huang, J. Mater. Chem., 2011, 21, 17229
DOI: 10.1039/C1JM12458G

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