001     41937
005     20240708132924.0
024 7 _ |2 DOI
|a 10.1016/j.jpowsour.2005.03.219
024 7 _ |2 WOS
|a WOS:000236310800021
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037 _ _ |a PreJuSER-41937
041 _ _ |a eng
082 _ _ |a 620
084 _ _ |2 WoS
|a Electrochemistry
084 _ _ |2 WoS
|a Energy & Fuels
100 1 _ |a Ghosh, P. C.
|b 0
|u FZJ
|0 P:(DE-Juel1)VDB13439
245 _ _ |a In situ approach for current distribution measurement in fuel cells
260 _ _ |a New York, NY [u.a.]
|b Elsevier
|c 2006
300 _ _ |a 184 - 191
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Journal of Power Sources
|x 0378-7753
|0 3727
|v 154
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a In this paper, a new, simple method for measuring the current density distribution in fuel cells with meander flow fields is described. This method has been used to investigate the reactant activity along the meander channel. The corresponding experimental hardware is very simple, cost-effective and easy to integrate into the fuel cells. A thin semi-segmented plate made of expanded graphite serves as a passive resistor network. The set-up is based on the idea that the electronic conductivity of the expanded graphite is relatively low in current direction. For typical current densities in polymer electrolyte fuel cell (PEFC), this leads to voltage drops in the range of several millivolts using usual current densities. On the other hand, the conductivity in-plane is considerable higher which is beneficial for equalizing the potential across the segment area. The new set-up can be used to measure the current density distribution in a single cell as well as in a stack at any desired position. The local potential difference across the graphite plate is caused by the local current flowing through it. By mapping these potential differences at different locations, the current distribution in the fuel cell can be derived. This experimental set-up has been used to investigate the current distribution of a 240 cm(2) PEFC single cell with different operating conditions. The real-time current density distributions measured by the present method are described in this paper. (c) 2005 Elsevier B.V. All rights reserved.
536 _ _ |a Rationelle Energieumwandlung
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
|2 WoSType
653 2 0 |2 Author
|a polymer electrolyte fuel cell
653 2 0 |2 Author
|a current density distribution
653 2 0 |2 Author
|a in situ measurement
700 1 _ |a Wüster, T.
|b 1
|u FZJ
|0 P:(DE-Juel1)VDB44719
700 1 _ |a Dohle, H.
|b 2
|u FZJ
|0 P:(DE-Juel1)VDB2044
700 1 _ |a Kimiaie, N.
|b 3
|u FZJ
|0 P:(DE-Juel1)129867
700 1 _ |a Mergel, J.
|b 4
|u FZJ
|0 P:(DE-Juel1)129888
700 1 _ |a Stolten, D.
|b 5
|u FZJ
|0 P:(DE-Juel1)129928
773 _ _ |a 10.1016/j.jpowsour.2005.03.219
|g Vol. 154, p. 184 - 191
|p 184 - 191
|q 154<184 - 191
|0 PERI:(DE-600)1491915-1
|t Journal of power sources
|v 154
|y 2006
|x 0378-7753
856 7 _ |u http://dx.doi.org/10.1016/j.jpowsour.2005.03.219
909 C O |o oai:juser.fz-juelich.de:41937
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|l Rationelle Energieumwandlung
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914 1 _ |y 2006
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |d 31.12.2006
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920 1 _ |0 I:(DE-82)080011_20140620
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|l Jülich-Aachen Research Alliance - Energy
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981 _ _ |a I:(DE-Juel1)ICE-2-20101013
981 _ _ |a I:(DE-Juel1)IEK-3-20101013
981 _ _ |a I:(DE-Juel1)VDB1047


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