On the design of Pt-Sn efficient catalyst for carbon monoxide and ethanol oxidation in acid and alkaline media
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- 作者：Rubé ; n Rizoa ; David Sebastiá ; nb ; Mª ; Jesú ; s Lá ; zarob ; Elena Pastora ; epastor@ull.edu.es" class="auth_mail" title="E-mail the corresponding author ; elena_pastor_tejera@yahoo.es" class="auth_mail" title="E-mail the corresponding author
- 关键词：Ethanol electrooxidation ; Pt-Sn electrocatalysts ; Carbon nanofibers ; Direct ethanol fuel cell ; Alkaline media
- 刊名：Applied Catalysis B: Environmental
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：200
- 期：Complete
- 页码：246-254
- 全文大小：1868 K
文摘
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Pt-Sn with different metallic ratios was prepared on carbon black and nanofibers.
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Catalysts were evaluated towards the ethanol and CO oxidation reactions.
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Pt-Sn/carbon nanofibers displayed higher tolerance to CO and higher catalytic activity towards ethanol oxidation compared to Vulcan XC-72R.
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Similar stationary currents were found for both Pt-Sn 1:3 and Pt-Sn 1:1 catalysts in current transient curves.
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The activity of the catalysts toward EOR was higher in alkaline media than in sulfuric acid media.