کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9760462 | 1498049 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effective schemes to control the dynamic behavior of the water transport in the membrane of PEM fuel cell
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
We have investigated the transient behavior of the water transport across the membrane of the PEM fuel cell to seek for effective control schemes so that the best dynamic performance of the fuel cell can be obtained. It is found that both a larger starting operational current density i0 and a smaller operational current density i can lead to a smaller dynamic response time tss, the time for the water distribution across the membrane to reach the steady state. Present results nevertheless point out that the most powerful as well as the most feasible control scheme is to control the humidification parameter k, i.e. to adjust the water content of the feeding fuel, so that the tss would remain steadily in a reasonably low value in a wide range of water flux fraction β, another control parameter of the membrane. The present conclusion can be useful for the design of the PEM fuel cell when its application on the dynamic mobile system is concerned.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 140, Issue 2, 2 February 2005, Pages 243-249
Journal: Journal of Power Sources - Volume 140, Issue 2, 2 February 2005, Pages 243-249
نویسندگان
Falin Chen, Hsin-Sen Chu, Chyi-Yeou Soong, Wei-Mon Yan,