Carbon-Coated SnO(2) Nanorod Array for Lithium-Ion Battery Anode Material.

Carbon-Coated SnO(2) Nanorod Array for Lithium-Ion Battery Anode Material.
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DOI:
10.1007/s11671-010-9529-x
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发表时间:
2010-01-21
影响因子:
--
通讯作者:
Li, Qiang
Li, Qiang
中科院分区:
材料科学3区
文献类型:
--
作者:
Ji, Xiaoxu;Huang, Xintang;Liu, Jinping;Jiang, Jian;Li, Xin;Ding, Ruimin;Hu, Yingying;Wu, Fei;Li, Qiang

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采用两步水热法在衬底上直接生长碳包覆SnO2纳米棒阵列,制备了碳包覆SnO2纳米棒阵列作为锂离子电池负极材料。采用X射线衍射(XRD)、扫描电镜(SEM)、透射电镜(TEM)和电化学测试等手段对样品的结构、形貌和电化学性能进行了研究。当用作具有高电流密度的LIB的阳极时,所获得的阵列显示出优异的循环稳定性和倍率性能。这种直接的方法可以扩展到其他碳包覆金属氧化物的合成,以应用于LIB。
Carbon-coated SnO2 nanorod array directly grown on the substrate has been prepared by a two-step hydrothermal method for anode material of lithium-ion batteries (LIBs). The structural, morphological and electrochemical properties were investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electrochemical measurement. When used as anodes for LIBs with high current density, as-obtained array reveals excellent cycling stability and rate capability. This straightforward approach can be extended to the synthesis of other carbon-coated metal oxides for application of LIBs.
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