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6.5K Views
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11:18 min
December 11th, 2019
DOI :
10.3791/60129-v
Chapters
0:05
Title
0:45
Fuel Cell Assembly
2:30
Fuel Cell Integration
3:46
Concentration-Alternating Frequency Response Analysis (cFRA)
7:34
cFRA Data Analysis
8:27
Results: Representative Cell Potential Outputs and Analyses
10:28
Conclusion
Transcript
燃料电池将来将扮演重要角色。我们的协议描述了一种诊断这些设备的主要故障状态(如降解、洪水或中毒)的新方法。与其他技术(如电化学阻抗光谱法)不同,此方法可用于分离特定动力学对聚合物燃料电池性能的影响,从而促进不太模糊的故障识别。
这个程序将由我实验室的硕士生托比亚斯·弗朗茨来演示。对于燃料电池组装,将阴极双极板放在光滑坚固的表面上,将流场侧向上放置,然后将垫片放在与螺杆对齐的板的顶部。将阴极气体扩散层放在垫片中间,并添加与螺钉孔对齐的催化剂涂层膜顶部。
将阳极气体扩散
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Summary
提出了燃料电池浓度交替频率响应分析方案,是研究燃料电池动力学的一种有前途的新方法。
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