Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Jesper Lebæk Jespersen"'
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
https://doi.org/10.1002/fuce.200800137
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
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
https://vbn.aau.dk/da/publications/c05c0c10-54e7-11de-b5d6-000ea68e967b
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 ', First CARISMA International Conference 2008, Progress in MEA components for Medium and High Temperature Polymer Electrolyte Fuel Cells, La Grande Motte, Montpellier, France, 21/09/2008-24/10/2008 .
Aalborg University
Aalborg University
In designing and controlling fuel cell sys-tems it is advantageous having models predicting the behavior of the fuel cells in steady-state as well as in dynamic ope-ration. This work examines the use of electro-chemical impedance spectroscopy (EIS) f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::915d2e5d3db54d6689e2c307b6c0cf69
https://vbn.aau.dk/ws/files/55377286/sja_CARISMA08_poster.pdf
https://vbn.aau.dk/ws/files/55377286/sja_CARISMA08_poster.pdf
Publikováno v:
Jespersen, J L, Talat Ali, S, Pleth Nielsen, L, Kær, S K & Møller, P 2007, ' Surface Embedded Metal Oxide Sensors (SEMOS) ', Annual meeting of the Danish Electrochemical Society, Århus, Denmark, 04/10/2007-05/10/2007 .
Aalborg University
Aalborg University
SEMOS is a joint project between Aalborg University, Danish Technological Institute and Danish Technical University in which micro temperature sensors and metal oxide-based gas sensors are developed and tested in a simulated fuel cell environment as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0daff0b51475c6e9412c445e8e9117ff
https://vbn.aau.dk/da/publications/f46fd080-c01f-11dc-a96e-000ea68e967b
https://vbn.aau.dk/da/publications/f46fd080-c01f-11dc-a96e-000ea68e967b
Publikováno v:
Jespersen, J L & Kær, S K 2007, ' Electrochemical Impedance Spectroscopy Measurements of High Temperature PBI-based PEM Fuel Cells ', Second European Summer School on Hydrogen Safety, Belfast, Ireland, 30/07/2007-08/08/2007 .
Aalborg University
Aalborg University
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::cdbc09da573e2d596df83e75a1630e8f
https://vbn.aau.dk/da/publications/73ec6c00-c021-11dc-a96e-000ea68e967b
https://vbn.aau.dk/da/publications/73ec6c00-c021-11dc-a96e-000ea68e967b
Autor:
Jesper Lebæk Jespersen, Søren Knudsen Kær, Mads Bang, Marcin Blazniak Andreasen, Henrik Assenholm Andresen
Publikováno v:
Jespersen, J L, Kær, S K, Bang, M, Andreasen, M B & Andresen, H A 2006, PIV and CFD analysis of fuel cell manifold . in Proceedings of Nordic PEM Fuel Cell seminar . Nordic PEM Fuel Cell seminar, Stockholm, Sweden, 24/09/2006 .
Aalborg University
Aalborg University
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::007c90791e1b410db67b14e3a33b33b8
https://vbn.aau.dk/da/publications/9ddf61b0-d392-11db-ae4a-000ea68e967b
https://vbn.aau.dk/da/publications/9ddf61b0-d392-11db-ae4a-000ea68e967b
Publikováno v:
Aalborg University
Kær, S K & Jespersen, J L 2007, ' Break-in and Performance Issues on a single cell PBI-based PEM Fuel Cell ', International workshop on degradation issues of fuel cells, Crete, Greece, 19/09/2007-21/09/2007 .
Kær, S K & Jespersen, J L 2007, ' Break-in and Performance Issues on a single cell PBI-based PEM Fuel Cell ', International workshop on degradation issues of fuel cells, Crete, Greece, 19/09/2007-21/09/2007 .
Depending on the application in question and the load cycle of operation, fuel cell degradation can be a serious problem. Fuel cell degradation of PBI-based MEA's and fuel cells in general is quite complex. The rate of degradation depends on several
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::71b07a8d7073630b7b1d977cdb6b8f25
https://vbn.aau.dk/en/publications/61f05380-bcfd-11dc-a96e-000ea68e967b
https://vbn.aau.dk/en/publications/61f05380-bcfd-11dc-a96e-000ea68e967b