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Nano-crystalline FeOOH mixed with SWNT matrix as a superior anode material for lithium batteries 被引量:4

Nano-crystalline FeOOH mixed with SWNT matrix as a superior anode material for lithium batteries
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摘要 Nano-crystalline FeOOH particles (5-10 nm) have been uniformly mixed with electric matrix of single-walled carbon nanotubes (SWNTs) for forming FeOOH/SWNT composite via a facile ultrasonication method. Directly using the FeOOH/SWNT composite (containing 15 wt% SWNTs) as anode material for lithium battery enhances kinetics of the Li+ insertion/extraction processes, thereby effectively improving re- versible capacity and cycle performance, which delivers a high reversible capacity of 758 mAh.g-1 under a current density of 400 mA.g-1 even after 180 cycles, being comparable with previous reports in terms of electrochemical performance for FeOOH anode. The good electrochemical performance should be ascribed to the small particle size and nano-crystalline of FeOOH, as well as the good electronic conductivity of SWNT matrix. Nano-crystalline FeOOH particles (5-10 nm) have been uniformly mixed with electric matrix of single-walled carbon nanotubes (SWNTs) for forming FeOOH/SWNT composite via a facile ultrasonication method. Directly using the FeOOH/SWNT composite (containing 15 wt% SWNTs) as anode material for lithium battery enhances kinetics of the Li+ insertion/extraction processes, thereby effectively improving re- versible capacity and cycle performance, which delivers a high reversible capacity of 758 mAh.g-1 under a current density of 400 mA.g-1 even after 180 cycles, being comparable with previous reports in terms of electrochemical performance for FeOOH anode. The good electrochemical performance should be ascribed to the small particle size and nano-crystalline of FeOOH, as well as the good electronic conductivity of SWNT matrix.
出处 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2014年第4期513-518,共6页 能源化学(英文版)
基金 supportted by the Natural Science Foundations of China(No.21203025,No.11004032 and No.11074039)
关键词 FeOOH/SWNT composite electrochemical properties energy storage lithium batteries anode material FeOOH/SWNT composite electrochemical properties energy storage lithium batteries anode material
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参考文献9

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