کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9760388 | 1498047 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Diagnostic tools for liquid water in PEM fuel cells
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The MEA resistance and electrode diffusivity (MRED) method allows the measurement of (i) the pure ohmic cell resistance, (ii) the effective diffusivity of the electrodes and (iii) the free gas volume of the fuel cell. The pure ohmic resistance enables the determination of the membrane water content whereas the free gas volume measurement allows the amount of liquid water in both the anode and cathode compartments to be deduced. The MRED method was used to study the pure ohmic resistance distribution during a drying/re-hydration cycle and the effective oxygen diffusion coefficient of the cathode electrode. Furthermore, the accuracy of the liquid water volume determination was investigated.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 143, Issues 1â2, 27 April 2005, Pages 150-157
Journal: Journal of Power Sources - Volume 143, Issues 1â2, 27 April 2005, Pages 150-157
نویسندگان
Jürgen Stumper, Michael Löhr, Stephen Hamada,