Enhanced performance and improved interfacial properties of polymer electrolyte membrane fuel cells fabricated using sputter-deposited Pt thin layers

被引：18

作者：

Cho, Yong-Hun ^{[1
,2
]}

Yoo, Sung Jong ^{[1
,2
]}

Cho, Yoon-Hwan ^{[1
,2
]}

Park, Hyun-Seo ^{[1
,2
]}

Park, In-Su ^{[1
,2
]}

Lee, Joong Kee ^{[3
]}

Sung, Yung-Eun ^{[1
,2
]}

机构：

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

[2] Seoul Natl Univ, Res Ctr Energy Convers & Storage, Seoul 151744, South Korea

[3] Korea Inst Sci & Technol, Adv Energy Mat Proc Lab, Seoul 130650, South Korea

来源：

ELECTROCHIMICA ACTA | 2008年 / 53卷 / 21期

关键词：

polymer electrolyte membrane fuel cell; sputtering; membrane electrode assembly; catalyst layer; spraying;

D O I：

10.1016/j.electacta.2007.12.008

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

For this study, catalyst layers for polymer electrolyte membrane fuel cells (PEMFC) were prepared by spraying and sputtering to deposit Pt amount of 0.1 and 0.01 mg cm(-2), respectively. These Pt layers were then assembled to fabricate membrane electrode assemblies (MEA) having either single- or double-layered catalysts. The PEM fuel cell with double layers showed a current density of 777 mA cm(-2) at a cell voltage of 0.6 V, which is a higher current density than state-of-the-art fuel cells at 643 mA cm(-2). These results indicate that Pt loading in state-of-the-art PEMFCs could be reduced by approximately 50% with no performance loss by using both spraying and sputtering method in the MEA fabrication process. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：6111 / 6116

页数：6

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