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Advanced Materials

SnO2/Graphene Composites with Self-Assembled Alternating Oxide and Amine Layers for High Li-Storage and Excellent Stability

Authors

  • S. J. Richard Prabakar,

    1. Department of Printed Electronics Engineering in World Class University (WCU) Program, Sunchon National University, Sunchon, Chonnam 540-742, Republic of Korea
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  • Yun-Hwa Hwang,

    1. Department of Printed Electronics Engineering in World Class University (WCU) Program, Sunchon National University, Sunchon, Chonnam 540-742, Republic of Korea
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  • Eun-Gyoung Bae,

    1. Department of Printed Electronics Engineering in World Class University (WCU) Program, Sunchon National University, Sunchon, Chonnam 540-742, Republic of Korea
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  • Sangdeok Shim,

    1. Department of Chemistry & Pre-med, Sunchon National University, Sunchon, Chonnam 540-742, Republic of Korea
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  • Dongwook Kim,

    1. Interdisciplinary School of Green Energy, Ulsan National Institute of Science & Technology, Ulju-gun, Ulsan 689-798, Republic of Korea
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  • Myoung Soo Lah,

    1. Interdisciplinary School of Green Energy, Ulsan National Institute of Science & Technology, Ulju-gun, Ulsan 689-798, Republic of Korea
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  • Kee-Sun Sohn,

    Corresponding author
    1. Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 143-747, Republic of Korea
    • Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 143-747, Republic of Korea.
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  • Myoungho Pyo

    Corresponding author
    1. Department of Printed Electronics Engineering in World Class University (WCU) Program, Sunchon National University, Sunchon, Chonnam 540-742, Republic of Korea
    • Department of Printed Electronics Engineering in World Class University (WCU) Program, Sunchon National University, Sunchon, Chonnam 540-742, Republic of Korea
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Abstract

An alternating stack (SG/GN) consisting of SnO2-functionalized graphene oxide (SG) and amine-functionalized GO (GN) is prepared in solution. The thermally reduced SG/GN (r(SG/GN)) with decreased micro-mesopores and completely eliminated macropores, results in a high reversible capacity and excellent capacity retention (872 mA h g−1 after 200 cycles at 100 mA g−1) when compared to a composite without GN.

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