期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 25, 页码 9350-9355出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm10220f
关键词
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资金
- Australian Research Council
- National Basic Research Program of China [2007CB613601]
- China Scholarship Council (CSC)
- Irish Government
- Science Foundation Ireland [07/SK/I1220a]
A MoO3-carbon nanocomposite was synthesized from a mixture of MoO3 and graphite by a controlled ball milling procedure. The as-prepared product consists of nanosized MoO3 particles (2-180 nm) homogeneously distributed in carbon matrix. The nanocomposite acts as a high capacity anode material for lithium-ion batteries and exhibits good cyclic behavior. Its initial capacity exceeds the theoretical capacity of 745 mA h g(-1) in a mixture of MoO3 and graphite (1 : 1 by weight), and the stable capacity of 700 mA h g(-1) (94% of the theoretical capacity) is still retained after 120 cycles. The electrode performance is linked with the unique nanoarchitecture of the composite and is compared with the performance of MoO3-based anode materials reported in the literature previously (nanoparticles, ball milled powders, and carbon-coated nanobelts). The high value of capacity and good cyclic stability of MoO3-carbon nanocomposite are attractive in respect to those of the reported MoO3 electrodes.
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