کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6613577 459600 2014 45 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
An algorithm for diagnosis of proton exchange membrane fuel cells by electrochemical impedance spectroscopy
ترجمه فارسی عنوان
یک الگوریتم برای تشخیص سلول های سوختی غشایی پروتون تبادل با طیف سنجی امپدانس الکتروشیمیایی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی
Further analysis of EIS provides valuable information about reliability and aging of the systems, namely to diagnose water flooding the electrode or membrane drying for Proton Exchange Membrane Fuel Cells (PEMFC). The aim of this study is to propose an electrochemical parameter fitting algorithm. A careful study of the electrochemical kinetics laws allowed us to demonstrate that, as long as both electrodes follow a Tafel behavior, the cathode and anode active layer resistances are strongly correlated. This correlation obviously removes a liberty degree in the model and allow an accurate fitting of the utilized model's electrochemical parameters of our PEMFC stack EIS. The reduced number of liberty degrees eases the convergence of the solution of the model. This algorithm was successfully implemented on different PEMFC stacks technology to investigate the impact of water flooding and the operating points.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 135, 20 July 2014, Pages 368-379
نویسندگان
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