Electro-oxidation of methanol and ethanol using PtRu/C electrocatalysts prepared by spontaneous deposition of platinum on carbon-supported ruthenium nanoparticles

被引：142
|
作者：
Spinacé, E [1 ]
Neto, AO [1 ]
Linardi, M [1 ]
机构：
[1] Ctr Ciencia & Tecnol Mat, CNEN, IPEN, BR-05508900 Sao Paulo, Brazil
来源：
JOURNAL OF POWER SOURCES | 2004年 / 129卷 / 02期
基金：
巴西圣保罗研究基金会;
关键词：
electro-oxidation; ethanol; methanol; PtRu/C electrocatalyst; fuel cell; spontaneous deposition;
D O I：
10.1016/j.jpowsour.2003.11.056
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
PtRu/C electrocatalysts were prepared by spontaneous deposition of Pt(II) and Pt(IV) ions on carbon-supported ruthenium nanoparticles, characterized by EDAX, TEM, cyclic voltammetry and tested for methanol and ethanol oxidation using the thin porous coating technique. The spontaneous deposition of Pt(II) ions was about two times more effective than Pt(IV) ions. The electrocatalysts were active for methanol and ethanol oxidation. For methanol oxidation good performance was obtained with high platinum coverage and for ethanol oxidation with low platinum coverage. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：121 / 126
页数：6
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