کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1298866 | 1498394 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Catalytic and electrocatalytic production of H2 from the water gas shift reaction over Pd in a high temperature proton-conducting cell-reactor
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Catalytic and electrocatalytic production of H2 from the water gas shift reaction over Pd in a high temperature proton-conducting cell-reactor Catalytic and electrocatalytic production of H2 from the water gas shift reaction over Pd in a high temperature proton-conducting cell-reactor](/preview/png/1298866.png)
چکیده انگلیسی
The water gas shift reaction (WGS) was studied in a proton-conducting cell-reactor at 873–1023 K and atmospheric total pressure. The proton conductor was a strontia–zirconia–yttria perovskite disk of the form: SrZr0.95Y0.05O3 − α. A polycrystalline palladium film was used as the working electrode-catalyst. The reaction kinetics were evaluated with the cell operating under open circuit. Under closed circuit and with protons “pumped” away from the catalyst, the rate of H2 formation increased to a moderate extent. The Faradaic efficiency (Λ) was found to attain values as high as Λ = 8, while the highest rate enhancement ratio (ρ) measured was ρ = 2. The Proton Transport Number (PTN) varied between 0.40 and 1.0.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Ionics - Volume 178, Issues 7–10, April 2007, Pages 475–480
Journal: Solid State Ionics - Volume 178, Issues 7–10, April 2007, Pages 475–480
نویسندگان
Christos Kokkofitis, Martha Ouzounidou, Aglaia Skodra, Michael Stoukides,