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A review on experimental evaluation of water management in a polymer electrolyte fuel cell using X-ray imaging technique SCIE SCOPUS

Title
A review on experimental evaluation of water management in a polymer electrolyte fuel cell using X-ray imaging technique
Authors
Seung.Gon KimLee, SJ
Date Issued
2013-05-15
Publisher
ELSEVIER SCIENCE BV
Abstract
Water management of polymer electrolyte fuel cell (PEFC) has been extensively studied because of its effect on the performance of a PEFC system. The transport and congelation of water significantly affect the efficiency and durability of a PEFC. Several empirical methods have been employed to visualize the spatial distribution of water in a PEFC. Experimental studies using high-resolution imaging techniques have been conducted to reveal the unknown morphological aspects that reduce the performance of a PEFC system. The X-ray imaging technique is the preferred method over other imaging techniques because of its high spatial and temporal resolution. Recently, X-ray micro computed tomography (X-ray mu CT) is introduced to better characterize the anisotropic structure of a gas diffusion layer (GDL) by reconstructing its three-dimensional structure. With the development of advanced software and hardware, the X-ray imaging technique becomes essential in the visualization of water management in PEFCs. This article reviews the X-ray imaging studies on water management in a PEFC system. (C) 2012 Elsevier B.V. All rights reserved.
Keywords
Polymer electrolyte fuel cell; X-ray imaging; Water management; Gas diffusion layer; GAS-DIFFUSION LAYER; PLANE POROSITY DISTRIBUTIONS; IN-SITU OBSERVATION; PEMFC GDLS; NEUTRON-RADIOGRAPHY; COMPUTED-TOMOGRAPHY; VISUALIZATION; TRANSPORT; MEMBRANE; MICROSTRUCTURE
URI
https://oasis.postech.ac.kr/handle/2014.oak/14591
DOI
10.1016/J.JPOWSOUR.2012.12.030
ISSN
0378-7753
Article Type
Article
Citation
JOURNAL OF POWER SOURCES, vol. 230, page. 101 - 108, 2013-05-15
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이상준LEE, SANG JOON
Dept of Mechanical Enginrg
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