کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6609852 | 459548 | 2015 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Modelling of elementary kinetics of H2 and CO oxidation on ceria pattern cells
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Elementary kinetic mechanisms of fuel oxidation on ceria have not been dealt with in detail in literature. An elementary kinetic model is developed considering charge transfer and adsorption steps for electrochemical H2 and CO oxidation on ceria. The reaction chemistry is solved by fitting previously obtained impedance spectra for H2 and CO oxidation on ceria. The rate determining step is found to be the charge transfer rather than the adsorption for both H2 and CO. A method is presented to extend the kinetics obtained from pattern anodes to macroscopic simulations in which the activation overvoltage can be calculated on the basis of elementary kinetics.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 182, 10 November 2015, Pages 202-211
Journal: Electrochimica Acta - Volume 182, 10 November 2015, Pages 202-211
نویسندگان
HC Patel, AN Tabish, PV Aravind,