期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 43, 页码 17229-17235出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm12458g
关键词
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资金
- Natural Science Foundation of China [50825203, 51002057]
- 863 program [2009AA03Z225]
- Natural Science Foundation of Hubei Province [2008CDA026]
- PCSIRT (Program for Changjiang Scholars and Innovative Research Team in University)
- Fundamental Research Funds for the Central Universities [HUST: 2010QN007]
Hierarchically nanostructured Mn2Mo3O8-graphene nanocomposites have been successfully synthesized in large quantities through a facile two-step reduction approach. The unique Mn2Mo3O8-graphene nanohybrids are composed of graphene-wrapped secondary microspheres of similar to 3-5 mu m in diameter that are built from many Mn2Mo3O8 nanosheets with thicknesses of 10-15 nm and widths of 80-120 nm. The as-formed Mn2Mo3O8-graphene 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 Mn2Mo3O8-graphene 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.
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