An Investigation of Palladium Oxygen Reduction Catalysts for the DirectMethanol Fuel Cell

被引：31
|
作者：
Alvarez, G. F. [1 ]
Mamlouk, M. [1 ]
Scott, K. [1 ]
机构：
[1] Newcastle Univ, Sch Chem Engn & Adv Mat, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMISTRY | 2011年 / 2011卷
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.4061/2011/684535
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A comparative study of Pd and Pt was carried out in DMFC using differentmethanol concentrations and under different operating conditions. Cell performance was compared atmethanol concentrations of 1, 3, 5, and 7Mand at temperatures of 20, 40, and 60(circle)C. Homemade Pd nanoparticles were prepared on Vulcan XC-72R using ethylene glycol as the reducing agent at pH 11. The resulting catalyst, Pd/C, with metal nanoparticles of approximately 6nm diameter, was tested as a cathode catalyst in DMFC. At methanol concentrations of 5M and higher, the Pd cathode-based cell performed better than that with Pt at 60(circle)C with air.
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页数：12
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