期刊
CARBON
卷 44, 期 5, 页码 828-832出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2005.10.035
关键词
carbon nanofibers; catalyst; electron microscopy; electrochemical properties
Carbon nanofibers (CNFs) have been synthesized by co-catalyst deoxidization process by a reaction between C2H5OC2H5, Zn and Fe powder at 650 degrees C for 10 h. These nanofibers exhibit diameters of similar to 80 nm and lengths ranging from several micrometers to tens of micrometers. X-ray diffraction, Raman spectroscopy, and high-resolution transmission electron microscopy indicate that as-prepared CNFs possess low graphitic crystallinity. The resultant CNFs as electrode shows capacity of similar to 220 mAh/g and high reversibility with little hysteresis in the insertion/deintercalation reactions of lithium-ion. In addition, the possible growth of CNFs is discussed. (c) 2005 Elsevier Ltd. All rights reserved.
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