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A method for detection and location of current-free spots in a fuel cell stack: Numerical study

✍ Scribed by A.A. Kulikovsky

Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 761 KB
Volume: 36
Category: Article
ISSN: 0360-3199
DOI: 10.1016/j.ijhydene.2010.12.031

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✦ Synopsis

In a fuel cell stack, the current-free spot induces the variation of potential along the end faces of the bipolar plates clamping the defective cell. Numerical model shows that measuring these voltage shapes one can identify the presence of the spot and locate position of the spot center. Possible development of spot tomography in stacks based on this technique is discussed.

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