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  Nonlinear analysis of current instabilities in high temperature fuel cells

Mangold, M., Krasnyk, M., & Sundmacher, K. (2004). Nonlinear analysis of current instabilities in high temperature fuel cells. Chemical Engineering Science, 59, 4869-4877. doi: 10.1016/j.ces.2004.07.094.

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 Urheber:
Mangold, M.1, Autor           
Krasnyk, M.1, Autor           
Sundmacher, K.2, 3, Autor           
Affiliations:
1Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738153              
2Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738151              
3Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Zusammenfassung: The conductivity of electrolytes in high temperature fuel cells increases with increasing temperature. It is shown that this property may lead to instabilities, inhomogeneous temperature fields, and hot spots. A simple spatially one-dimensional model of a cell is studied by phase plane analysis and numerical bifurcation analysis. The operation of the cell at constant voltage and at constant current is considered. It is found that in both cases spatial temperature patterns and channels of high current density can form. © 2004 Elsevier Ltd. All rights reserved. [accessed 2014 January 10th]

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Sprache(n): eng - English
 Datum: 2004
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 207956
Anderer: 27/04
DOI: 10.1016/j.ces.2004.07.094
 Art des Abschluß: -

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Titel: Chemical Engineering Science
  Andere : Chem. Eng. Sci.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Amsterdam : Pergamon
Seiten: - Band / Heft: 59 Artikelnummer: - Start- / Endseite: 4869 - 4877 Identifikator: ISSN: 0009-2509
CoNE: https://pure.mpg.de/cone/journals/resource/954925389239