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Excellent Cycle Stability of Fe₃O₄ Nanoparticles Decorated Graphene as Anode Material for Lithium-ion Batteries

Department of Chemistry, School of Science, Tianjin University, and Collaborative Innovation, Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China

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and

Xue Qin

Department of Chemistry, School of Science, Tianjin University, and Collaborative Innovation, Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China

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https://doi.org/10.1142/S1793292015500812Cited by:6 (Source: Crossref)

Abstract

Fe₃O₄–graphene nanocomposites were prepared via a simple hydrothermal method. Ultrafine Fe₃O₄ nanoparticles were evenly anchored on graphene substrates. As anode material for Li-ion batteries (LIB), the nanocomposite showed high initial discharge and charge capacities of 1456mAhg^-1 and 739.9mAhg^-1 at high current density of 500mAg^-1. Additionally, the charge capacity was also retained at 698.3mAhg^-1 after 200 cycles, thereby indicating excellent cycling stability. The results suggested that the as-prepared Fe₃O₄–graphene nanocomposite is a promising candidate for practical application as a Li-ion battery anode material.

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