X-ray Tomographic Investigation of Water Distribution in Polymer Electrolyte Membrane Fuel Cells with Different Gas Diffusion Media

被引：19
作者：
Alrwashdeh, Saad S. [1 ,2 ,3 ]
Markoetter, Henning [1 ,3 ]
Haussmann, Jan [4 ]
Scholta, Joachim [4 ]
Hilger, Andre [1 ]
Manke, Ingo [1 ]
机构：
[1] Helmholtz Zentrum Berlin, Hahn Meitner Pl 1, D-14109 Berlin, Germany
[2] Mutah Univ, Fac Engn, Mech Engn Dept, POB 7, Al Karak 61710, Jordan
[3] Tech Univ Berlin, Str 17 Juni 135, D-10623 Berlin, Germany
[4] Zentrum Sonnenenergie & Wasserstoff Forsch Baden, Helmholtzstr 8, D-89081 Ulm, Germany
来源：
JOINT GENERAL SESSION: BATTERIES AND ENERGY STORAGE -AND- FUEL CELLS, ELECTROLYTES, AND ENERGY CONVERSION | 2016年 / 72卷 / 08期
关键词：
FIBER-BASED MATERIALS; LIQUID WATER; SYNCHROTRON RADIOGRAPHY; OPERATING-CONDITIONS; CATHODE CHANNELS; VISUALIZATION; TRANSPORT; LAYERS; PEMFC; FLOW;
D O I：
10.1149/07208.0099ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this study, water transport in polymer electrolyte membrane fuel cells (PEMFCs) is investigated by synchrotron X-ray tomography. The measurement technique is used to reveal the relationship between the structure of the gas diffusion media (GDM) and the water distribution. It is shown how the water distribution and transport is visualized and quantitatively analyzed. We present investigations on three different GDM: A GDM with a modified microporous layer (MPL), a thick GDM with limited back diffusion and a reference material.
引用
收藏
页码：99 / 106
页数：8
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