Performance improvement of air-breathing proton exchange membrane fuel cell stacks by thermal management

Wei Mon Yan, Ming Shiang Zeng, Tien Fu Yang, Chen Yu Chen, Mohammad Amani, Pouria Amani

研究成果: 雜誌貢獻期刊論文同行評審

32 引文 斯高帕斯(Scopus)

摘要

Air-breathing is known as a way to reduce the weight, volume, and the cost of PEMFCs. In this study, the thermal management of the high-powered air-breathing PEMFC stacks by applying different cathode flow channel configurations is carried out to improve the stack performance. In order to verify the thermal management results, numerical simulation is also performed. The research results show that a combination of the 50% and 58.3% opening ratios in the air-breathing stack reduces the stack temperature and enhances the temperature distribution uniformity, leading to a better and more stable stack performance. In addition, it is found that the stack performance is significantly improved under the assisted-air-breathing condition. Moreover, the simulation results and the experimental data are basically consistent. It is suggested to adopt the average temperature over the cross-sectional flow region from simulation as fitting the simulation results and the measured data.

原文???core.languages.en_GB???
頁(從 - 到)22324-22339
頁數16
期刊International Journal of Hydrogen Energy
45
發行號42
DOIs
出版狀態已出版 - 28 8月 2020

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