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Compact open cathode feed system for PEMFCs
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DOI：10.1016/j.apenergy.2015.12.012.png)
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摘要
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The open cathode design is commonly adopted for small sized proton exchange membrane fuel cells (PEMFCs) as it allows for smaller footprint and thus, higher power density. Axial fans are typically used to supply oxygen in these PEMFC systems. Apart from controlling stoichiometry, they also play a critical role in regulating internal temperature. This suggests that its location could have significant impact on fuel cell performance. In this work, the location of the fan is varied from the front to the rear in order to blow air or draw air into the stack respectively. The latter configuration reduces the non-uniformity in temperature and velocity by around 2 and 4 times respectively, resulting in a 16% increase in overall stack performance. (C) 2015 Elsevier Ltd. All rights reserved.
Keyword:
PEMFC
Cathode fan system
Air flow distribution
Temperature distribution
Performance
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IF:
11
论文数:
2.6W
被引数:
17.8W
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