کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5148301 | 1497365 | 2017 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Performance improvement in direct borohydride/peroxide 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
Direct borohydride/peroxide fuel cells (DBPFCs) show progressively deteriorating performance during operation for various reasons such as decreasing reactant concentrations, gas evolution and uneven distribution of liquids. The present study aims to emphasize the importance of certain design parameters, such as bipolar plate materials, flow fields and manifold design, in determining the DBPFC performance. Bipolar materials and flow channel design have been investigated. A power density of 67Â mWÂ cmâ2 has been obtained with composite graphite and parallel flow channel bipolar plates. It has increased to 87Â mWÂ cmâ2 using sintered graphite and then to 93.3Â mWÂ cmâ2 using sintered graphite with serpentine flow fields. The stacking of DBPFCs results in a loss of performance and unstable output. The performance has remained nearly unchanged as the cell number was increased by applying an independent cell liquid distribution network (ICLDN). Using an ICLDN, power densities of 98.3, 83.3 and 82Â mWÂ cmâ2 have been obtained for single-cell, 3-cell and 6-cell stacks, respectively. Finally, a controlled oxidant feeding system (COFS) has been developed to provide stable output power, and it has demonstrated a stable output power of 6Â W for 2.5Â h.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 42, Issue 12, 23 March 2017, Pages 8119-8129
Journal: International Journal of Hydrogen Energy - Volume 42, Issue 12, 23 March 2017, Pages 8119-8129
نویسندگان
Ayse Elif Sanli, Merve Gordesel, Eyup Semsi Yilmaz, Suleyman Kursat Ozden, Goksel Gunlu, Bekir Zuhtu Uysal,