Influence of Au contents of AuPt anode catalyst on the performance of direct formic acid fuel cell

被引：55

作者：

Lee, Jae Kwang ^{[1
,2
]}

Lee, Jaeyoung ^{[2
]}

Han, Jonghee ^{[3
]}

Lim, Tae-Hoon ^{[3
]}

Sung, Yung-Eun ^{[4
]}

Tak, Yongsug ^{[1
]}

机构：

[1] Inha Univ, Dept Chem Engn, Inchon 402571, South Korea

[2] Gwanju Inst Sci & Technol GIST, Dept Environm Sci & Engn, Electrochem React & Technol Lab ERTL, Kwangju 500712, South Korea

[3] Korea Inst Sci & Technol, Fuel Cell Res Ctr, Seoul 136791, South Korea

[4] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151744, South Korea

来源：

ELECTROCHIMICA ACTA | 2008年 / 53卷 / 09期

关键词：

AuPt nanoparticle; impregnation reduction method; formic acid oxidation; fuel cell performance; optimal combination;

D O I：

10.1016/j.electacta.2007.12.031

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We reported that various compositions of AuPt nanoparticles Synthesized as an anode material for formic acid fuel cell were investigated. Its surface characteristics were systematically analyzed using XRD and TEM and anodic electrocatalytic activity was studied using a linear sweep voltammetry technique in 0.5 M H2SO4 + 1 M HCOOH. In addition, the voltage-current curve and power density of home-made AuPt-based membrane-electrode-assembly (MEA) and commercial Pt0.5Ru0.5-based MEA was measured at 60 degrees C in 9 M formic acid. The maximum power density of Au0.6Pt0.4-based MEA was 30% higher than that of PtRu-based MEA which were 200 mW cm(-2) and 155 mW cm(-2), respectively. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：3474 / 3478

页数：5

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