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Modifying the surface of electrically conductive porous alumina

机译:改性导电多孔氧化铝的表面

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摘要

Electrically conductive porous alumina has been paid great interest due to its excellent properties determined by its unique porous structure and electrical conductivity. In this paper, acid-treatment has been employed to activate the inner-connected graphite pathways along alumina grains, which is responsible for its high conductivity and erosion resistivity. 8y this method, various oxygen-functional groups can be grafted onto graphite defects, which could be used for a number of potential applications. Field-emission scanning electron microscope (FE-SEM) observation, X-ray diffraction (XRD) analysis and Raman spectroscopy evaluation were employed to characterize the structure and component changes after acid-treatment. Electrochemical measurements carried out in 0.5 M H_2SO_4 electrolyte indicated its possible application as electrode material.
机译:导电多孔氧化铝由于其独特的多孔结构和导电性决定了其优异的性能而备受关注。在本文中,酸处理已被用来激活沿氧化铝晶粒的内部连接的石墨通道,这是其高导电性和耐蚀性的原因。通过这种方法,可以将各种氧官能团接枝到石墨缺陷上,从而可以用于许多潜在的应用中。用场发射扫描电子显微镜(FE-SEM)观察,X射线衍射(XRD)分析和拉曼光谱评估来表征酸处理后的结构和组分变化。在0.5 M H_2SO_4电解质中进行的电化学测量表明其可能用作电极材料。

著录项

  • 来源
    《Materials Letters》 |2009年第15期|1320-1322|共3页
  • 作者单位

    Ceramics Research Laboratory, Nagoya Institute of Technology. 10-6-29, Asahigaoka. Tajimi, Gifu 507-0071, Japan State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China Institute of Carbon Fibers and Composites, Beijing University of Chemical Technology, Beijing 100029, PR China;

    Ceramics Research Laboratory, Nagoya Institute of Technology. 10-6-29, Asahigaoka. Tajimi, Gifu 507-0071, Japan;

    Ceramics Research Laboratory, Nagoya Institute of Technology. 10-6-29, Asahigaoka. Tajimi, Gifu 507-0071, Japan;

    Ceramics Research Laboratory, Nagoya Institute of Technology. 10-6-29, Asahigaoka. Tajimi, Gifu 507-0071, Japan;

    Ceramics Research Laboratory, Nagoya Institute of Technology. 10-6-29, Asahigaoka. Tajimi, Gifu 507-0071, Japan;

    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China Institute of Carbon Fibers and Composites, Beijing University of Chemical Technology, Beijing 100029, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    electrically conductive porous alumina; modification; electrochemical performance; electrocatalysis;

    机译:导电多孔氧化铝修改;电化学性能电催化;
  • 入库时间 2022-08-17 13:19:38

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