Perforated Metal Sheets as Gas Diffusion Layers for Proton Exchange Membrane Fuel Cells

被引：16

作者：

Blanco, Mauricio ^{[1
,2
,3
]}

Wilkinson, David P. ^{[1
,2
,3
]}

Wang, Haijiang ^{[3
]}

机构：

[1] Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z3, Canada

[2] Univ British Columbia, Clean Energy Res Ctr, Vancouver, BC V6T 1Z3, Canada

[3] Natl Res Council Canada, Inst Fuel Cell Innovat, Vancouver, BC V6T 1W5, Canada

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2012年 / 15卷 / 03期

关键词：

MASS-TRANSPORT PHENOMENA; LASER PERFORATION; WATER MANAGEMENT; O2/N2; MIXTURES; PERFORMANCE; IMPROVEMENT; PATHS; O2/AR; O2/HE;

D O I：

10.1149/2.017203esl

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The use of perforated metal sheets as engineered gas diffusion layers (GDL) in proton exchange membrane (PEM) fuel cells was investigated. The effect of different thicknesses, perforation diameter, and in-plane diffusion capabilities were analyzed along with freestanding microporous layers in order to improve gas and water transport. Although these structured GDLs are in an early stage of development, they provide baseline performance at lower current densities, and may already have potential for some specific applications. In addition, the design, manufacturing, and modeling processes with predictive capability can be improved due to their simplified nature. (C) 2011 The Electrochemical Society. [DOI: 10.1149/2.017203esl] All rights reserved.

引用

页码：B20 / B23

页数：4

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