Preparation of Fe3O4/carbon Composites on the Basis of Cellulose Microspheres and their Application as Anode Material for Lithium-ion Batteries
Institute of Materials for Energy and Environment, Laboratory of New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, School of Materials Science and Engineering, Qingdao University, Qingdao 266071 China
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Fe3O4/carbon microspheres (Fe3O4/C) were prepared by a facile hydrothermal reaction using cellulose and ferric trichloride as precursors. The resultant composite spheres have been investigated as anode materials for the lithium-ion batteries, and they show high capacity and good cycle stability (830mAhg−1 at a current density of 0.1C up to 70 cycles), as well as enhanced rate capability. The excellent electrochemical performance is attributed to the high structural stability and high rate of ionic/electronic conduction arising from the porous character and the synergetic effect of the carbon coated Fe3O4 structure and conductive carbon coating.
© The Authors, published by EDP Sciences, 2016
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