کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1283628 | 1497645 | 2008 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
High fuel utilization operation of pure hydrogen fuel cells
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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
For a fuel cell system using pure hydrogen as fuel, high hydrogen utilization operation is required because the exhausted hydrogen from the fuel cell is not used as a heat source for a reformer. While the hydrogen utilization is very high, any minor imbalance in the distributed flow causes a shortage of hydrogen gas. In order to achieve high hydrogen utilization operation, cells humidified at the cathode side, of counter flow type and with two-block divided stack where the hydrogen gas is fed to the first block with its exhaust hydrogen being fed to the second block have been developed. Five kilowatts class (100 cells) short stack systems fabricated to above specification showed stable operation at hydrogen utilizations up to 96%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 33, Issue 21, November 2008, Pages 6262-6269
Journal: International Journal of Hydrogen Energy - Volume 33, Issue 21, November 2008, Pages 6262-6269
نویسندگان
H. Nishikawa, H. Sasou, R. Kurihara, S. Nakamura, A. Kano, K. Tanaka, T. Aoki, Y. Ogami,