期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 4, 期 27, 页码 10585-10592出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta02875f
关键词
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资金
- National Natural Science Foundation of China [11274107, 61204109, 11574078]
- Foundation for the authors of National Excellent Doctoral Dissertation of China [201318]
- Natural Science Foundation of Hunan Province [2015JJ1008, 2015RS4024]
- Hunan Provincial Innovation Foundation for Postgraduate [CX2014A007]
Developing advanced anode materials is crucial to further enhance the performance of lithium-ion batteries for electrochemical energy storage. Metal oxides embedded in a carbonaceous matrix are supposed to be promising candidates as anode materials due to their high specific capacity and excellent stability. Herein, we report a CuO/Cu-based carbonaceous nanocomposite system which was used as an anode material for high-performance lithium-ion batteries via an efficient synergistic effect. With an improved fabrication strategy, the CuO/Cu could be ultra-uniformly dispersed in nitrogen-doped carbon nanofibers. Benefiting from the in situ pyrolysis of Cu salts with improved structural stability and conductivity, the hybrid nanofiber electrode showed a specific capacity of 572.0 mA h g(-1) and steady cycling performance over 500 cycles at a constant current density of 0.5 A g(-1).
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