The effect of bipolar plate material and clamping pressure on the performance of proton exchange membrane fuel cell
محل انتشار: هفتمین کنگره ملی مهندسی شیمی
سال انتشار: 1390
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 887
فایل این مقاله در 9 صفحه با فرمت PDF قابل دریافت می باشد
- صدور گواهی نمایه سازی
- من نویسنده این مقاله هستم
استخراج به نرم افزارهای پژوهشی:
شناسه ملی سند علمی:
ICHEC07_214
تاریخ نمایه سازی: 25 فروردین 1394
چکیده مقاله:
The bipolar plate (BP) is one of the most important devices in the proton exchange membrane fuel cell (PEMFC). Recently, due to its better properties regarding metallic and graphite BP, this device, has mainly been made in the polymer-based composites with carbon fillers. In this research, some compositeswith graphite (G), expanded graphite (EG) and carbon fiber (CF) as fillers were made in two percentages. Then electrical resistivity (ER) of composite-BPs and their interface contact resistance (ICR) with GDL were measured in various clamping pressure (CP). In this research, the EC and ICR of composites, as theohmic resistance, were introduced into the electrochemical relations of one isothermal model of PEMFC.In addition, the formulation of pearmibility and diffusivity in gas diffusion layer (GDL) under the CP were derived. Afterwards the electrochemical performance (V-I curve) of PEMFC in various composites were obtained and analyzed. In addition, CP affecting ICR and GDL diffusivity were introduced into themodel so that the performance could be derived. The results indicated that the ER and ICR values of BP play a major function in the electrochemical performance but the ICR function is much greater than that of ER. Other results revealed that CP has a great effect upon ICR, thereby affecting the performance of PEMFC.
کلیدواژه ها:
نویسندگان
r Taherian
Material Engineering Department, Shiraz University, Shiraz, Iran
مراجع و منابع این مقاله:
لیست زیر مراجع و منابع استفاده شده در این مقاله را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود مقاله لینک شده اند :