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高温低湿用全氟磺酸质子交换膜改性研究进展

作者：魏刚，季辉，李永哲，王凯，刘丰宇，张波，王丽

单位：山东东岳未来氢能材料股份有限公司

关键词：高温质子交换膜； Nafion膜；改性掺杂

DOI号： 10.16159/j.cnki.issn1007-8924.2024.06.020

分类号： TQ028; TM911.4

出版年,卷(期):页码： 2024,44(6):178-185

摘要：

高温质子交换膜燃料电池(HT-PEMFC)因电极反应快、转化率高、水热管理简单、耐受性好等优点被广泛关注.高温质子交换膜作为质子交换膜燃料电池的核心部件，对整个高温质子交换膜燃料电池系统的运行起着至关重要的作用.目前最广泛商业化应用的质子交换膜材料-Nafion膜对高温和低相对湿度的运行环境表现出质子导电率降低、机械性能变差等问题.本文综述了近年来关于提高Nafion膜质子传导率的研究进展，讨论了Nafion膜在高温和低相对湿度的运行机理，从分子设计的角度对Nafion的结构改性方法研究进行了总结和分析，重点探讨了无机、有机复合材料掺杂对Nafion膜质子传导性能的提升，展望了高温质子交换膜的未来发展方向，为后续的高温质子交换膜的研究工作提供指导.

High-temperature proton exchange membrane fuel cell (HT-PEMFC) has been widely noticed due to the advantages of fast electrode reaction, high conversion rate, simple hydrothermal management, and good tolerance, etc. High-temperature proton exchange membrane, as the core component of the proton exchange membrane fuel cell, plays a crucial role in the operation of the whole HT-PEMFC system. Nafion membrane, which is currently the most widely commercialized proton exchange membrane material, exhibits reduced proton conductivity and deteriorated mechanical properties for high temperature and low relative humidity operating environments.In this paper, the research progress on improving the proton conductivity of Nafion membranes in recent years is reviewed, the operation mechanism of Nafion membrane at high temperature and low relative humidity is discussed, the research of structural modification methods of Nafion is summarized and analyzed from the perspective of molecular design, and the research focuses on the inorganic and organic composite materials doping on the Nafion membrane proton conductivity is discussed, and the improvement of high temperature PEM is anticipated. It is also expected that the future development of high-temperature proton exchange membranes will be guided by the subsequent research on high-temperature proton exchange membranes.

基金项目：

国家重点研发计划项目(2021YFB4001102)

作者简介：

魏刚(1982- )，男，山东莱芜人，高级工程师，硕士，研究方向为燃料电池质子膜测试方法研究

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