Characterisation and Modelling of a High Temperature PEM Fuel Cell Stack using Electrochemical Impedance Spectroscopy

Autor: Jesper Lebæk Jespersen, Søren Juhl Andreasen, Søren Knudsen Kær, Erik Schaltz

Publikováno v: Andreasen, S J, Jespersen, J L, Schaltz, E & Kær, S K 2009, ' Characterisation and Modelling of a High Temperature PEM Fuel Cell Stack using Electrochemical Impedance Spectroscopy ', Fuel Cells, vol. 9, no. 4, pp. 463-473 . https://doi.org/10.1002/fuce.200800137

In designing and controlling fuel cell systems it is advantageous having models predicting fuel cell behavior insteady-state as well as in dynamic operation. This work examines the use of Electro-chemical Impedance Spectroscopy(EIS) for characterizin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f260bf8b76e85eae13d8566a08fa47b4
https://doi.org/10.1002/fuce.200800137

Flow and Pressure Distribution in Fuel Cell Manifolds

Autor: Søren Knudsen Kær, Mads Bang, Jesper Lebæk

Publikováno v: Lebæk, J, Bang, M & Kær, S K 2010, ' Flow and Pressure Distribution in Fuel Cell Manifolds ', Journal of Fuel Cell Science and Technology, vol. 7, no. 6, pp. 061001-1-061001-8 . https://doi.org/10.1115/1.4001319

The manifold is an essential part of the fuel cell stack. Evidently, evenly distributed reactants are a prerequisite for an efficient fuel cell stack. In this study, the cathode manifold ability to distribute air to the cells of a 70 cell stack is in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9edcf768a220a5912b8727ee47e518d3
https://vbn.aau.dk/da/publications/8f496b86-a4d3-488b-8394-81a057b0b2f4

Particle Image Velocimetry and Computational Fluid Dynamics Analysis of Fuel Cell Manifold

Autor: Henrik Assenholm Andresen, Søren Knudsen Kær, Jesper Lebæk, Mads Bang, Marcin Blazniak Andreasen

Publikováno v: Lebæk, J, Blazniak Andreasen, M, Andresen, H A, Bang, M & Kær, S K 2010, ' Particle Image Velocimetry and Computational Fluid Dynamics Analysis of Fuel Cell Manifold ', Journal of Fuel Cell Science and Technology, vol. 7, no. 3, pp. 031001-1-031001-10 . https://doi.org/10.1115/1.3206697

The inlet effect on the manifold flow in a fuel cell stack was investigated by means of numerical methods (computational fluid dynamics) and experimental methods (particle image velocimetry). At a simulated high current density situation the flow fie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf1ca6d0192b00cb5430a83ce85721db
https://vbn.aau.dk/da/publications/db9062f8-b5a6-4abd-83c1-c0c04df05ccc

Electrochemical characterization of a polybenzimidazole-based high temperature proton exchange membrane unit cell

Autor: Erik Schaltz, Søren Knudsen Kær, Jesper Lebæk Jespersen

Publikováno v: Jespersen, J L, Schaltz, E & Kær, S K 2009, ' Electrochemical characterization of a polybenzimidazole-based high temperature proton exchange membrane unit cell ', Journal of Power Sources, vol. 91, no. 2, pp. 289-296 .
Aalborg University

This work constitutes detailed EIS (Electrochemical Impedance Spectroscopy) measurements on a PBIbased HT-PEM unit cell. By means of EIS the fuel cell is characterized in several modes of operation by varying the current density, temperature and the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc901cf51a159901b1268c773d97c981
https://vbn.aau.dk/da/publications/c05c0c10-54e7-11de-b5d6-000ea68e967b

Modelling of a High Temperature PEM Fuel Cell Stack using Electrochemical Impedance Spectroscopy:Book of Abstracts

Autor: Andreasen, Søren Juhl, Jespersen, Jesper Lebæk, Kær, Søren Knudsen

Publikováno v: Andreasen, S J, Jespersen, J L & Kær, S K 2008, Modelling of a High Temperature PEM Fuel Cell Stack using Electrochemical Impedance Spectroscopy : Book of Abstracts . in Progress in MEA compnents for Medium and High Temperature Polymer Electrolyte Fuel Cells-Book of abstracts . University Montpellier II, pp. 138, First CARISMA International Conference 2008, Progress in MEA compnents for Medium and High Temperature Polymer Electrolyte Fuel Cells, La Grande Motte, Montpellier, France, 21/09/2008 .

This work presents the development of an equivalent circuit model of a 65 cell high temperature PEM (HTPEM) fuel cell stack using Electrochemical Impedance Spectroscopy (EIS). The HTPEM fuel cell membranes used are PBI-based and uses phosphoric acid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1f63ca8c84cdffaed0fbaa5f98d236b0
https://vbn.aau.dk/da/publications/f78d28b0-95dc-11dd-a004-000ea68e967b