期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 37, 期 9, 页码 7757-7761出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2012.01.141
关键词
Polymer electrolyte membrane fuel cell (PEMFC); Radiography; Synchrotron; X-ray imaging; Perforated gas diffusion layer (GDL); Water transport
资金
- German Federal Ministry of Education and Research [03SF0360B]
Perforated gas diffusion layers (GDLs) of polymer electrolyte membrane fuel cells (PEMFCs) were investigated by means of in-situ synchrotron X-ray radiography during operation. We found a strong influence of perforations on the water distribution and transport in the investigated Toray TGP-H-090 GDL. The water occurs mainly around the perforations, while the holes themselves show varying water distributions. Some remain dry, while most of them fill up with liquid water after a certain period or might serve as drainage volume for effective water transport. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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