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首页> 外文期刊>Journal of power sources >Phosphoric acid doped polybenzimidazole/imidazolium-modified silsesquioxane hybrid proton conducting membranes for anhydrous proton exchange membrane application
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Phosphoric acid doped polybenzimidazole/imidazolium-modified silsesquioxane hybrid proton conducting membranes for anhydrous proton exchange membrane application

机译:磷酸掺杂的聚苯并咪唑/咪唑改性的倍半硅氧烷杂化质子传导膜,用于无水质子交换膜的应用

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摘要

Phosphoric acid doped polybenzimidazole (PBI)/imidazolium-modified silsesquioxane (Im-SiO_(3/2)) hybrid membranes with high proton conductivity at high temperature under anhydrous conditions are synthesized and characterized. The presence of Im-SiO_(3/2) is confirmed by FT-IR and energy-dispersive X-ray spectroscopy (EDS) mapping of silicon element. The phosphoric acid uptake and proton conductivity of the hybrid membranes increase with the Im-SiO_(3/2) content, and the conductivity of PBl/lm-SiO_(3/2)-20 reaching 6.3 × 10~(-2) S cm~(-1) at 180 ℃. Compared with pure PBI membranes, the introduction of Im-SiO_(3/2) is effective in preventing the release of the phosphoric acid component from the hybrid membranes. The properties of the prepared hybrid membranes indicate their promising prospects in anhydrous proton exchange membrane applications.
机译:合成并表征了在高温无水条件下具有高质子传导性的磷酸掺杂聚苯并咪唑(PBI)/咪唑鎓改性倍半硅氧烷(Im-SiO_(3/2))杂化膜。通过硅的FT-IR和能量色散X射线光谱(EDS)映射确认了Im-SiO_(3/2)的存在。杂化膜的磷酸吸收和质子电导率随Im-SiO_(3/2)含量的增加而增加,PB1 / lm-SiO_(3/2)-20的电导率达到6.3×10〜(-2)S在180℃时为cm〜(-1)。与纯PBI膜相比,Im-SiO_(3/2)的引入可有效防止磷酸组分从杂化膜中释放出来。制备的杂化膜的性能表明其在无水质子交换膜应用中的广阔前景。

著录项

  • 来源
    《Journal of power sources》 |2014年第15期|270-276|共7页
  • 作者单位

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China,Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China,Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China,Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, China;

    Center for Low-Dimensional Materials, Micro-Nano Devices and Systems, Jiangsu Key Laboratory for Solar Cell Materials and Technology, Changzhou University, Changzhou 213164, Jiangsu, 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

    Polymer electrolyte membrane; Hybrid membrane; Fuel cells; Sol-gel; Inorganic additives;

    机译:高分子电解质膜;混合膜燃料电池;溶胶凝胶无机添加剂;

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