Pt/Au原子比对活性炭负载Au-Pt直接甲酸燃料电池阴极催化剂性能的影响

贾羽洁; 蒋剑春; 孙　康; 陆天虹

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Pt/Au原子比对活性炭负载Au-Pt直接甲酸燃料电池阴极催化剂性能的影响

1.中国林业科学研究院林产化学工业研究所| 江苏南京 210042;

2.
南京师范大学化学与环境科学学院江苏省生物功能材料重点实验室| 江苏南京 210097

详细信息

作者简介:
贾羽洁(1985-), 女, 研究实习员, 硕士, 研究方向: 活性炭

通讯作者:
蒋剑春, Tel： 025-85482488； E-mail： bio-energy@163.com

中图分类号: O646
计量
- 文章访问数: 1425
- HTML全文浏览量: 16
- PDF下载量: 839
- 被引次数: 0
出版历程
- 收稿日期: 2011-04-12
- 修回日期: 2011-07-12
- 刊出日期: 2011-10-31

Effect of Pt/Au atomic ratio in active carbon supported Au-Pt catalyst on its cathodic performance in direct formic acid fuel cell

Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China
2.
Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097, China

摘要

摘要: 制备了不同Pt/Au原子比的活性炭负载Au-Pt催化剂（Au-Pt/C），研究了Au/Pt原子比对Au-Pt/C催化剂氧还原电催化性能和抗甲酸性能的影响。结果表明，与Au/C催化剂相比，Au-Pt/C具有更好的电催化性能。当Pt/Au原子比从0/50增加到2/48时，Au-Pt/C催化剂表现出良好的氧还原电催化性能和抗甲酸性能；但是当Pt/Au原子比增加到3/47时，该催化剂的抗甲酸性能有所下降。Pt/Au原子比为2/48的Au-Pt/C可以用作直接甲酸燃料电池（DFAFC）的阴极催化剂。
- 直接甲酸燃料电池 /
- 阴极催化剂 /
- Au-Pt/C /
- 抗甲酸性能 /
- Pt/Au原子比
Abstract: Active carbon supported Au-Pt catalyst (Au-Pt/C) with different Pt/Au atom ratios was prepared and the effect of Pt/Au atom ratio on the electrocatalytic performance of Au-Pt/C in direct formic acid fuel cell (DFAFC) like the oxygen reduction ability and tolerance to formic acid was investigated. Comparing with Au/C catalyst, the Au-Pt/C catalyst exhibits better electrocatalytic performance towards the reduction of oxygen. With the increase of Pt/Au atom ratio from 0/50 to 2/48, Au-Pt/C catalyst shows excellent electrocatalytic ability and formic acid tolerance. However, when Pt/Au atom ratio is further raised to 3/47, the formic acid tolerance of Au-Pt/C is decreased. As a result, Au-Pt/C catalyst with a Pt/Au atom ratio of 2/48 is appropriate as the cathodic catalyst in DFAFC.
- direct formic acid fuel cell /
- cathodic catalyst /
- Au-Pt/C /
- formic acid tolerance /
- Pt/Au atom ratio