Effect of liquid water distribution in gas diffusion media with and without microporous layer on PEM fuel cell performance

被引：80

作者：

Deevanhxay, Phengxay ^{[1
]}

Sasabe, Takashi ^{[1
]}

Tsushima, Shohji ^{[1
]}

Hirai, Shuichiro ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Mech & Control Engn, Meguro Ku, Tokyo 1528552, Japan

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 34卷

关键词：

PEM fuel cell; Microporous layer; Liquid water distribution; Interface; In-situ diagnostic; X-RAY RADIOGRAPHY; CATALYST LAYERS; TRANSPORT; CATHODE; VISUALIZATION;

D O I：

10.1016/j.elecom.2013.07.001

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

070208 [无线电物理];

摘要：

To understand the effect of liquid water accumulation on the performance of proton exchange membrane (PEM) fuel cells, in situ visualization of liquid water accumulation was performed in fuel cells having gas diffusion media (GDM) with and without microporous layer (MPL) using soft X-ray radiography. The liquid water accumulation at the interface of a catalyst layer (CL) and GDM without an MPL has a critical effect on the PEM fuel cell performance. MPL reduced water accumulation at the CL/GDM interface, resulting in a better fuel cell performance than that of the cell without MPL. (C) 2013 Elsevier B.V. All rights reserved.

引用

收藏

页码：239 / 241

页数：3

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