金守一,盛夏,潘兴龙,赵洪辉,赵子亮

• 1:中国第一汽车股份有限公司新能源开发院

摘要(Abstract)：

膜电极是质子交换膜燃料电池的核心部件,为多相物质传输和电化学反应提供场所。质子交换膜、催化剂和气体扩散层是影响膜电极性能、寿命和成本的决定性因素。梳理了质子交换膜和催化剂的种类和特性,并介绍了气体扩散层的基层和微孔层。其中,质子交换膜包括全氟磺酸膜、非氟质子交换膜和复合质子交换膜等;催化剂包括铂基催化剂和无铂催化剂;气体扩散层包括碳纤维纸、碳纤维布和多孔金属材料基层以及微孔层。目前,膜电极组件的研发和生产已经取得了很大的成果,但为了降低成本,提高膜电极性能,简化制备工艺,仍有大量技术需要突破:1)制备高强度、高稳定性、低透气性的超薄质子交换膜;2)研制高活性、高耐久性、低成本的非贵金属催化剂;3)开发机械强度高、排水性优异、厚度薄的气体扩散层。

关键词(KeyWords)： 燃料电池;膜电极;质子交换膜;催化剂;气体扩散层

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 金守一,盛夏,潘兴龙,赵洪辉,赵子亮

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