期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 14, 期 35, 页码 12099-12104出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cp40726d
关键词
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资金
- US National Science Foundation under the SBIR/STTR program [IIP-0740507, IIP-0924197]
- NSF for the REU
- Air Force Office of Scientific Research [FA9550-12-1-0069, FA9550-10-1-0546, FA9550-12-1-0037, FA8650-07-D-5800]
- DOE [DE-SC0003736]
- US AFOSR-Korea NBIT
- US Army [W911NF-11-1-0209]
In conjunction with environmentally benign ionic liquid electrolytes, vertically-aligned carbon nanotubes (VA-CNTs) sheathed with and without a coaxial layer of vanadium oxide (V2O5) were used as both cathode and anode, respectively, to develop high-performance and high-safety lithium-ion batteries. The VA-CNT anode and V2O5-VA-CNT cathode showed a high capacity (600 mAh g(-1) and 368 mAh g(-1), respectively) with a high rate capability. This led to potential to achieve a high energy density (297 Wh kg(-1)) and power density (12 kW kg(-1)) for the prototype batteries to significantly outperform the current state-of-the-art Li-ion batteries.
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