کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9575149 | 1504340 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electrocatalytic activation of Ni for H2 evolution by spontaneous deposition of Ru
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Electrocatalytic activation of Ni for H2 evolution by spontaneous deposition of Ru Electrocatalytic activation of Ni for H2 evolution by spontaneous deposition of Ru](/preview/png/9575149.png)
چکیده انگلیسی
Ni was activated by spontaneous deposition of Ru carried out in solutions of HCl containing RuCl3. The occurrence of Ru deposition was confirmed by EDX and XPS and followed as a function of deposition time by cyclic voltammetry and Tafel lines for H2 evolution in 1 mol dmâ3 KOH. Experiments were performed by varying temperature, HCl as well as RuCl3 concentration. The criticity of the presence of O2 in solution was demonstrated. Ni activation by Ru is manifested by the appearance of H adsorption peaks in the voltammetric curve, and by the decrease of the Tafel slope for H2 evolution from a 120 mV for bare Ni to ca. 40 mV.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Physics - Volume 319, Issues 1â3, 7 December 2005, Pages 192-199
Journal: Chemical Physics - Volume 319, Issues 1â3, 7 December 2005, Pages 192-199
نویسندگان
I. Bianchi, E. Guerrini, S. Trasatti,