کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9760501 | 1498050 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Carbon-supported Pt nanoparticles as catalysts for proton exchange membrane fuel cells
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Carbon-supported Pt nanoparticles as catalysts for proton exchange membrane fuel cells Carbon-supported Pt nanoparticles as catalysts for proton exchange membrane fuel cells](/preview/png/9760501.png)
چکیده انگلیسی
Pt nanoparticles supported on Vulcan XC-72 carbon and carbon nanotubes (CNTs) were prepared by a microwave-assisted polyol process. The catalysts were characterized by TEM, XRD and XPS. The Pt nanoparticles, which were uniformly dispersed on carbon, were 2-6Â nm in diameter. The Pt/C catalysts prepared as such displayed the characteristic diffraction peaks of a Pt fcc structure. XPS analysis revealed that the catalysts contained mostly Pt(0), with traces of Pt(II) and Pt(IV). The electroreduction of oxygen was studied by cyclic voltammetry. It was found both Pt/C catalysts had high electrocatalytic activity in the oxygen reduction reaction. Test runs on a single stack proton exchange membrane (PEM) fuel cell showed that these electrocatalysts are very promising for fuel cell applications.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 139, Issues 1â2, 4 January 2005, Pages 73-78
Journal: Journal of Power Sources - Volume 139, Issues 1â2, 4 January 2005, Pages 73-78
نویسندگان
Zhaolin Liu, Leong Ming Gan, Liang Hong, Weixiang Chen, Jim Yang Lee,