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首页> 外文期刊>RSC Advances >A cobalt nanoparticle ion-implantation-modified indium tin oxide electrode for direct electrocatalytic oxidation of methanol in alkaline media
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A cobalt nanoparticle ion-implantation-modified indium tin oxide electrode for direct electrocatalytic oxidation of methanol in alkaline media

机译：碱性介质中甲醇直接电催化氧化钴型离子注入改性氧化铟锡电极

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摘要

In this work, cobalt-nanoparticles (CoNPs) were prepared on an indium tin oxide (ITO) electrode by ion implantation, which is a novel, low-cost and environmentally friendly process. Then, the CoNP/ITO electrode was annealed at 300 degrees C for 2 h in a Muffle furnace, forming the annealed-CoNP/ITO electrode. The morphology and composition of the CoNPs and annealed-CoNPs were investigated by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Their electrocatalytic performance was also studied by electrochemical impedance spectra (EIS) and cyclic voltammetry (CV) under optimized conditions. Compared with the annealed-CoNP/ITO electrode, the result indicates that the CoNP/ITO electrode enhances the electrocatalytic activity and stability for direct methanol oxidation in alkaline media and can be used in fuel cells.
机译：在这项工作中，通过离子注入在氧化铟锡（ITO）电极上制备钴纳米颗粒（刚果），这是一种新颖的，低成本和环保的过程。 然后，将CONP / ITO电极在300℃下在Muffle炉中退火2小时，形成退火CONP / ITO电极。 通过扫描电子显微镜（SEM）和X射线光电子能谱（XPS）研究了突出和退火突出的形态和组成。 在优化条件下，还通过电化学阻抗谱（EIS）和循环伏安法（CV）研究了它们的电催化性能。 与退火CONP / ITO电极相比，结果表明CONP / ITO电极增强了碱性介质中直接甲醇氧化的电催化活性和稳定性，可用于燃料电池。

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  • 来源
    《RSC Advances》 |2015年第96期|共6页
  • 作者

    Su Wen; Fu Yingyi; Wang Tong; Yu Yanan; Hu Jingbo;

  • 作者单位

    Beijing Normal Univ Coll Chem Beijing 100875 Peoples R China;

    Beijing Normal Univ Coll Chem Beijing 100875 Peoples R China;

    Beijing Normal Univ Coll Chem Beijing 100875 Peoples R China;

    Beijing Normal Univ Coll Chem Beijing 100875 Peoples R China;

    Beijing Normal Univ Coll Chem Beijing 100875 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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