The contact resistance between gas diffusion layers and bipolar plates as they are assembled in proton exchange membrane fuel cells

被引：36

作者：

Ismail, M. S. ^{[1
]}

Ingham, D. B. ^{[1
]}

Ma, L. ^{[1
]}

Pourkashanian, M. ^{[1
]}

机构：

[1] Univ Leeds, Ctr Computat Fluid Dynam, Energy Technol & Innovat Initiat ETII, Leeds LS2 9JT, W Yorkshire, England

来源：

RENEWABLE ENERGY | 2013年 / 52卷

基金：

英国工程与自然科学研究理事会;

关键词：

Contact resistance; Gas diffusion layer; Bipolar plate; Sealing gasket; COMPOSITE CARBON-BLACK; MICRO-POROUS LAYER; MODEL; PERFORMANCE; OPTIMIZATION; PREDICTION;

D O I：

10.1016/j.renene.2012.10.025

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The contact resistance between the gas diffusion layer (GDL) and the bipolar plate has been experimentally estimated as they are assembled in proton exchange membrane (PEM) fuel cells. A number of coated and non-coated GDLs, graphite bipolar plates and a sealing gasket were employed to perform the test. The results show that the contact resistance of the non-coated GDLs (or carbon substrates) is highly influenced by the competing effects of the initial thickness of the GDL and the polytetrafluoroethylene (PTFE) loading. As for the coated GDLs, the PTFE loading present in the microporous layer (MPL) was found to play a positive role in establishing a good contact between the GDL and the bipolar plate. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：40 / 45

页数：6

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