کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9760505 | 1498050 | 2005 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Real-time water distribution in a polymer electrolyte fuel cell
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Real-time water distribution in a polymer electrolyte fuel cell Real-time water distribution in a polymer electrolyte fuel cell](/preview/png/9760505.png)
چکیده انگلیسی
Knowledge of the species distribution within a polymer electrolyte fuel cell (PEFC) is critical to fully characterize the local performance and accurately quantify the various modes of water transport. This paper describes the results of a newly developed real-time technique for in situ measurement of water vapor, nitrogen and oxygen distributions within the reactant flow channels of an operating PEFC using an Agilent real-time gas analyzer (RTGA). The RTGA was interfaced directly to the fuel cell at various locations along the single path serpentine anode and cathode flow channels of a specially designed fuel cell. Species distribution data are combined with measured high frequency resistance and current distribution. The periodic presence of liquid water droplets in the cathode at high current density and at locations near the cathode exit is also observed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 139, Issues 1â2, 4 January 2005, Pages 106-114
Journal: Journal of Power Sources - Volume 139, Issues 1â2, 4 January 2005, Pages 106-114
نویسندگان
Q. Dong, J. Kull, M.M. Mench,