期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 11, 页码 4910-4915出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm15197a
关键词
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资金
- Natural Science Foundation of China [51002057, 50825203]
- 863 program [2009AA03Z225]
- Natural Science Foundation of Hubei Province [2008CDA026]
- PCSIRT (Program for Changjiang Scholars and Innovative Research Team in University)
An economical route based on electrospinning and layer-by-layer (LBL) self-assembly processes has been developed to synthesize unique MoO2-modified TiO2 nanofibers, comprising a core of TiO2 nanofibers and a thin metal-like MoO2 nanolayer. The thickness of the MoO2 nanolayer can be tuned by altering the precursor concentration or the LBL cycles. When evaluated for their lithium-storage properties, the MoO2-modified TiO2 nanofibers exhibit a high discharge capacity of 514.5 mA h g(-1) at 0.2 C over 50 cycles and excellent rate capability, demonstrating that enhanced physical and/or chemical properties can be achieved through proper surface modification.
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