کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
766765 | 1462912 | 2006 | 11 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Study of operational parameters on the performance of micro PEMFCs with different flow fields Study of operational parameters on the performance of micro PEMFCs with different flow fields](/preview/png/766765.png)
The effects of different operating parameters on micro PEMFC performances were experimentally studied for three different flow field configurations (interdigitated, mesh, and serpentine). Experiments with different cell operating temperatures and different backpressures on the H2 flow channels, as well as various combinations of these parameters, have been conducted for three different flow geometries. The micro PEMFCs were designed and fabricated inhouse through a deep UV lithography technique and the SU-8 photoresist was used as microstructure material for the fuel cell flow field plates. Results are presented in the form of polarization VI curves and PI curves under different operating conditions. The possible transport mechanisms associated with the parametric effects were discussed. In addition, it was found that among the three flow patterns considered, significant improvements can be reached with a specified flow geometry.
Journal: Energy Conversion and Management - Volume 47, Issues 13–14, August 2006, Pages 1868–1878