期刊
JOURNAL OF POWER SOURCES
卷 228, 期 -, 页码 198-205出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.11.113
关键词
Microwave; Hydrothermal; Free-standing film; MoO3 nanobelt; Graphene; Cathode
资金
- Australian Research Council (ARC) through the ARC Centre of Excellence for Electromaterials Science
- [DP0987805]
- Australian Research Council [DP0987805] Funding Source: Australian Research Council
Highly flexible, binder-free, MoO3 nanobelt/graphene film electrode is prepared by a two-step microwave hydrothermal method. Graphene is first prepared by an ultra-fast microwave hydrothermal method and then mixed with MoO3 solution to synthesize the MoO3 nanobelt/graphene composite, which exhibits the combination of stacked graphene sheets and uniform MoO3 nanobelts with widths of 200-500 nm and lengths of 5-10 mu m. The charge-discharge measurements show that the as-synthesized MoO3/graphene hybrid materials demonstrate excellent rate capability, large capacity, and good cycling stability compared to the pure MoO3 film. An initial discharge capacity of 291 mAh g(-1) can be obtained at 100 mA g(-1), with a capacity of 172 mAh g(-1) retained after 100 cycles. The results show that the MoO3/graphene designed in this study can be used as a free-standing cathode material in rechargeable bendable Lithium batteries. (c) 2012 Elsevier B.V. All rights reserved.
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