Water Transport Analysis in Polymer Electrolyte Membrane Fuel Cells by Magnetic Resonance Imaging
Water Transport Analysis in Polymer Electrolyte Membrane Fuel Cells by Magnetic Resonance Imaging
复制标题
通过磁共振成像分析聚合物电解质膜燃料电池中的水传输
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
S. Hirai
中科院分区：
文献类型：
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作者：
S. Tsushima;S. Hirai
1 结果 聚合物电解质燃料电池（PEFC）由于其高能量效率和高功率密度而被广泛开发用于未来的车辆应用和现场发电。在PEFC中，适当的水管理以保持聚合物电解质膜（PEM）水合物非常重要，因为膜的离子电导率在较低的水含量下较低。 燃料电池运行期间质子交换膜中的含水量和水传输过程。
1 Results Polymer electrolyte fuel cells (PEFCs) have beenintensively developedfor future vehicle applications andon-site power generation owing to its high energy efficiency and high power density.In PEFCs ,appropriatewater management to maintain polymer electrolyte membrane (PEM) hydratedis of great i mportance ,becausethe ion conductivity of membraneislower at lower water content .Consequently,it is of great interest to watercontent and water transport process in PEMs during fuel cell operation.