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Electrochemical Performance of V_2O_5 Nano-Porous Aerogel Film

机译：V_2O_5纳米多孔气凝胶膜的电化学性能

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摘要

Nano-porous V_2O_5 aerogel films were prepared by dip-coating vanadium oxide sol onto ITO substrate, using V_2O_5 powder, Benz alcohol, Isopropanol as precursor materials. The nano pores were characterized by scaning electron microscope (SEM). The electrochemical properties were investigated by chronopotenyiometry (CP) and cyclic voltammograms (CV). Results showed that this porous V_2O_5 aerogel film exhibited good cycling stability with initial discharge capacity of 143mAh/g and 128 mAh/g after 18 cycles, staying 89.5 % of the initial discharge capacity, at a charge/discharge current density of 200 mA/g.
机译：以V_2O_5粉末，苯甲醇，异丙醇为前驱体材料，通过将氧化钒溶胶浸涂在ITO衬底上，制备了纳米多孔的V_2O_5气凝胶膜。通过扫描电子显微镜（SEM）表征纳米孔。通过计时电位法（CP）和循环伏安图（CV）研究了电化学性能。结果表明，该多孔V_2O_5气凝胶膜在18个循环后的初始放电容量为143mAh / g和128 mAh / g，表现出良好的循环稳定性，在200 mA / g的充电/放电电流密度下保持初始放电容量的89.5％。 。

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  • 来源
    《Inorganic thin films and coatings》|2012年|165-168|共4页
  • 会议地点 Guilin(CN)
  • 作者

    Lifeng Zhang; Guangming Wu; Guohua Gao; Huiyu Yang;

  • 作者单位

    Pohl Institute of Solid State Physics, Shanghai Key Laboratory of Special Artificial Microstructure and Technology, Tongji University, NO.1239 Siping Road, Shanghai 200092.China;

    Pohl Institute of Solid State Physics, Shanghai Key Laboratory of Special Artificial Microstructure and Technology, Tongji University, NO.1239 Siping Road, Shanghai 200092.China;

    Pohl Institute of Solid State Physics, Shanghai Key Laboratory of Special Artificial Microstructure and Technology, Tongji University, NO.1239 Siping Road, Shanghai 200092.China;

    Pohl Institute of Solid State Physics, Shanghai Key Laboratory of Special Artificial Microstructure and Technology, Tongji University, NO.1239 Siping Road, Shanghai 200092.China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    aerogel; film; li-ion battery; electrochemical;

    机译：气凝胶电影;锂离子电池电化学的;

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