Facile Synthesis of Fe₂O₃-graphite Composite with Stable Electrochemical Performance as Anode Material for Lithium Ion Batteries
By Wang, Yukun; Yang, Lichun; Hu, Renzong; Ouyang, Liuzhang & Zhu, Min
Published in Electrochimica Acta
NULL
2014
Abstract
Fe₂O₃-graphite (Fe₂O₃-G) composites have been facilely and effectively synthesized via ball milling. Structural features and electrochemical properties of the Fe₂O₃-G composites as anodes for lithium-ion batteries are investigated. The Fe₂O₃-G composites benefit from the close contact of nanocrystalline Fe₂O₃ with the graphite matrix, which improves the electronic conductivity and restrains the volume variation during cycling. The composite with 20% graphite shows the highest reversible capacity up to 491.1 mAh g⁻¹ after 55 cycles with good rate capability. Due to the superior electrochemical performance, the Fe₂O3-G composites prepared via ball milling could be promising as anode materials with high capacity, low-cost for lithium-ion batteries.
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