Plasma Modification of Catalysts for Cathode Reduction of Hydrogen Peroxide in Fuel Cells

被引：10

作者：

Brueser, Volker ^{[1
]}

Savastenko, Natalie ^{[1
]}

Schmuhl, Andreas ^{[2
]}

Junge, Henrik ^{[3
]}

Herrmann, Iris ^{[4
]}

Bogdanoff, Peter ^{[4
]}

Schroeder, Karsten ^{[1
]}

机构：

[1] Inst Low Temp Plasma Phys, D-17489 Greifswald, Germany

[2] AMT Analysenmesstech GmbH, D-18059 Rostock, Germany

[3] Univ Rostock, Leibniz Inst Katalyse eV, D-18059 Rostock, Germany

[4] Hahn Meitner Inst Berlin GmbH, D-14109 Berlin, Germany

来源：

PLASMA PROCESSES AND POLYMERS | 2007年 / 4卷

关键词：

catalysts; fuel cells; plasma treatment; pyrolysis; surface modification; X-ray photoelectron spectroscopy (XPS);

D O I：

10.1002/ppap.200730409

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Plasma techniques have been extensively utilized in catalysis. Catalyst preparation using plasma treatment allows to improve dispersion, enhancing the catalyst performance and stability. In this paper, the low-pressure radio frequency (RF) discharge is shown as an efficient method to enhance the activity of cobalt tetramethoxyphenylporphyrin (CoTMPP)-based electrocatalyst for the reduction of hydrogen peroxide. It was found that a carbon-supported CoTMPP catalyst (20% CoTMPP/C) treated by plasma presents two-fold higher catalytic activity than catalyst prepared without plasma treatment. The influence of catalyst treatment on elemental surface and bulk concentration and performance of catalysts for hydrogen peroxide in a fuel cell was investigated.

引用

页码：S94 / S98

页数：5

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