کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10150329 | 1662996 | 2018 | 30 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Poly(vinylpyrrolidone) tailored porous ceria as a carbon-free support for methanol electrooxidation
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The inevitable corrosion of carbon support under operating condition of direct methanol fuel cells significantly undermines the activity and durability of Pt catalyst. Carbon-free materials with acceptable electronic conductivity, stability, and co-functionality are promising alternative supports. We used poly(vinylpyrrolidone) as the skeleton to prepare porous ceria for carbon-free support. The ceria has very high concentration of oxygen vacancies, which plays key roles in: i) narrowing the band gap and improving the electronic conductivity; ii) improving the catalytic performance. The better methanol electrooxidation activity and durability are achieved on the porous ceria supported Pt catalyst.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 290, 10 November 2018, Pages 55-62
Journal: Electrochimica Acta - Volume 290, 10 November 2018, Pages 55-62
نویسندگان
Benfeng Lin, Zhao Lei, Feng Xu, Niancai Cheng, Shichun Mu,