期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 1, 期 4, 页码 1368-1373出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ta00487a
关键词
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资金
- International Science & Technology Cooperation Program of China [2010DFA61770, 2012DFG11660]
- STCSM
Carbon fibers with in situ incorporation of nickel were prepared by electrospinning a solution of a polyacrylonitrile dissolved in a dimethylformamide solution with nickel nitrate, followed by thermal treatment. The prepared one-dimensional composite fibers are uniformly dispersed with an electronic conducting Ni network. As an anode material for lithium-ion batteries, their electrochemical behaviors were measured by cyclic voltammetry, constant current density testing and electrochemical impedance spectroscopy. The carbon/Ni fiber electrode maintains a high reversible capacity of about 457 mA h g(-1) after 50 cycles. When tested at different current densities, it shows excellent rate capability with high reversible capacity.
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