Improvement of carbon dioxide tolerance of PEMFC electrocatalyst by using microwave irradiation technique

被引：30
作者：
Bayrakceken, Ayse [1 ,2 ]
Tuerker, Lemi [3 ]
Inci, Eroglu [1 ]
机构：
[1] Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey
[2] Ataturk Univ, Dept Chem Engn, TR-25240 Erzurum, Turkey
[3] Middle E Tech Univ, Dept Chem, TR-06531 Ankara, Turkey
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2008年 / 33卷 / 24期
关键词：
PEM fuel cell; Microwave irradiation; Carbon black; Electrocatalyst;
D O I：
10.1016/j.ijhydene.2008.09.069
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：
The microwave irradiation technique was used to prepare platinum and platinum-ruthenium-based electrocatalysts on Vulcan for PEMFCs. The effects of microwave duration, base concentration and surfactant/precursor ratios on the properties of Pt-based catalysts were investigated. The prepared Pt-based catalysts were characterized by XRD and then PEMFC tests were performed. The particle sizes of the catalysts were ranging between 2 and 6 nm. Platinum-ruthenium-based catalysts were prepared to improve the carbon dioxide tolerance of the PEMFCs. The power losses arising from carbon dioxide in hydrogen feed were decreased by using the prepared PtRu-based catalysts when 30% carbon dioxide including hydrogen was sent to the fuel cell. (c) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：7527 / 7537
页数：11
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