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首页> 外文期刊>Materials Science and Engineering >N_2H_4 electrooxidation at negative potential on novel wearable nano-Ni-MWNTs-textile electrode
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N_2H_4 electrooxidation at negative potential on novel wearable nano-Ni-MWNTs-textile electrode

机译：新型可穿戴纳米Ni-MWNTs-纺织电极上负电位的N_2H_4电氧化

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摘要

A new composite Ni electrode is simply prepared by electrodeposition of nano-scaled Ni particles onto multi-walled carbon nanotubes (MWNTs)-enabled conductive textile fiber (cosmetic cotton) which owns an especial three-dimensional (3D) network structure. The morphology and phase structure of the Ni-MWNTs-textile electrode are characterized by scanning electron microscope, transmission electron microscope and X-ray diffraction spectrometer, and the catalytic performance for the N_2H_4 electrooxidation is tested by linear sweep voltammetry and chronoamperometry. The results show that the Ni-MWNTs-textile electrode exhibits a remarkably high catalytic activity and good stability for N_2H_4 electrooxidation. The onset potential stays at around -0.9 V and the oxidation current density reaches as high as 12mA cm~(-2) in the solution containing 1 moldrrr3 NaOH and 20 mmol dm~(-3) N_2H_4 at around -0.80 V, both of which outstrip the previous reports.
机译：只需将纳米级Ni颗粒电沉积到具有多壁碳纳米管（MWNTs）的导电纺织纤维（化妆品棉）上即可简单地制备新的复合Ni电极，该导电纤维具有特殊的三维（3D）网络结构。通过扫描电子显微镜，透射电子显微镜和X射线衍射光谱仪对Ni-MWNTs纺织电极的形貌和相结构进行表征，并通过线性扫描伏安法和计时电流法测试了N_2H_4电氧化的催化性能。结果表明，Ni-MWNTs纺织电极具有很高的催化活性，对N_2H_4电氧化具有良好的稳定性。在含有-1molrrr3 NaOH和20 mmol dm〜（-3）N_2H_4的溶液中，在-0.80 V附近，起始电势保持在-0.9 V左右，氧化电流密度高达12mA cm〜（-2）。超过了以前的报告。

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  • 来源
    《Materials Science and Engineering》 |2014年第10期|48-53|共6页
  • 作者

    Dongming Zhang; Bin Wang; Dianxue Cao; Ke Ye; Yang Xu; Jinling Yin; Kui Cheng; Guiling Wang;

  • 作者单位

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

    Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;

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

    Textile fibers; Three-dimensional network structure; N_2H_4 electrooxidation; A remarkably high catalytic activity;

    机译：纺织纤维;三维网络结构;N_2H_4电氧化;极高的催化活性;

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