Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Latest findings from the canadian-german fuel cell collaboration
Groos, Ulf
Presentation
2018Characteristic time constants derived from the low-frequency arc of impedance spectra of fuel cell stacks
Keller, S.; Özel, T.; Scherzer, A.-C.; Gerteisen, D.; Groos, U.; Hebling, C.; Manoli, Y.
Journal Article
2018Qualifizierung von Brennstoffzellenkomponenten (QuBK)
Groos, U.; Alink, R.; Zedda, M.
Presentation
2018Selecting The Best MEA for Your Cell Design and Your Operation Strategy
Groos, U.
Presentation
2017Canadian German Fuel Cell Research Cooperation
Groos, U.; Gerteisen, D.; Hebling, C.
Presentation
2017In-situ testing methods for membrane-electrode-assemblies
Groos, U.
Presentation
2016Analyzing the Temporal Development of the Cathode Catalyst Layer Properties During Accelerated Stress Tests
Sadeler, C.; Gerteisen, D.; Groos, U.
Presentation
2016Characteristic low frequency time constants derived from impedance spectra of fuel cell stacks
Keller, S.; Özel, T.; Scherzer, A.-C.; Gerteisen, D.; Groos, U.
Presentation
2016Etablierung international harmonisierter Testprotokolle - Forschungsinstitute als neutrale Instanzen
Groos, U.
Presentation
2016Impedance spectroscopy of PEM fuel cells with large geometric area - challenges and opportunities
Gerteisen, D.; Scherzer, A.-C.; Keller, S.; Zamel, N.; Groos, U.
Presentation
2016Investigation of inhomogenieties in automotive fuel cell stacks
Groos, U.; Keller, S.
Presentation
2016Möglichkeiten zur Charakterisierung im Feld - Teststandsentwicklung im Projekt MinimAl-Luft
Groos, U.; Kurz, T.; Ammon, G.; Hahn, D.; Leible, V.; Raimann, P.
Presentation
2016Spatially resolved testing of automotive single cells
Groos, U.
Presentation
2015Brennstoffzellenstapel mit Strömungsverteiler zur Optimierung der Medienverteilung
Zedda, Mario; Groos, Ulf
Patent
2015Comprehensive understanding of electrical conductivity measurements of gas diffusion media of PEM fuel cells
Aydin, Ö.; Zedda, M.; Zamel, N.; Groos, U.; Hebling, C.
Conference Paper
2015Relating the N-shaped polarization curve of a PEM fuel cell to local oxygen starvation and hydrogen evolution
Zamel, N.; Bhattarai, A.; Gerteisen, D.; Groos, U.; Hebling, C.
Conference Paper
2014Analyzing the temporal development of the CCL properties during accelerated stress tests
Gerteisen, D.; Sadeler, C.; Groos, U.; Hebling, C.
Presentation
2013Effect of local perturbation on electrochemical impedance spectroscopy of PEM fuel cells - understanding the characteristics
Kurz, T.; Gerteisen, D.; Keller, S.; Bhattarai, A.; Zamel, N.; Groos, U.; Hebling, C.
Presentation
2013Inhomogeneities in PEM fuel cells - limiting processes, impact and characterization techniques
Groos, U.; Gerteisen, D.; Zamel, N.; Merida, W.
Presentation
2013Investigating bistability in the polarization curve of a segmented PEM fuel cell
Zamel, N.; Bhattarai, A.; Gerteisen, D.; Hebling, C.; Groos, U.
Presentation
2013Local eis studies in PEMFC-distinguishing between through-plane and in-plane oxygen effects
Gerteisen, D.; Keller, S.; Bhattarai, A.; Zamel, N.; Groos, U.; Hebling, C.
Presentation
2013Relating the N-shaped polarization curve of a PEM fuel cell to local oxygen starvation & hydrogen evolution
Zamel, N.; Bhattarai, A.; Gerteisen, D.; Groos, U.; Hebling, C.
Presentation
2012Influence of Air Pollution on PEM Fuel Cells
Groos, U.; Biesdorf, J.; Binninger, T.; Kurz, T.; Zamel, N.
Presentation
2012Micro Fuel Cells
Groos, U.; Gerteisen, D.
Book Article
2011Wasserstoff und Brennstoffzellen - Die Marktchancen wachsen
Groos, U.; Smolinka, T.
Journal Article
2010Micro fuel cells
Groos, U.
Book Article
2010Multi-Channel Impedance Spectroscopy for Optimizing Fuel Cells, Stacks, and Systems
Gerteisen, D.; Groos, U.; Mérida, W.
Presentation
2010Potentiale einer auf Wasserstoff und Brennstoffzellen basierenden Energiewirtschaft
Groos, U.; Smolinka, T.
Book Article
2008Brennstoffzelle und Verfahren zu deren Herstellung
Zedda, M.; Oszcipok, M.; Dyck, A.; Groos, U.
Patent
2006Fuel processors for fuel cell APU applications
Aicher, T.; Lenz, B.; Gschnell, F.; Groos, U.; Federici, F.; Caprile, L.; Parodi, L.
Conference Paper, Journal Article
2005Brennstoffzellen im Vergleich mit anderen Energiekonversionstechnologien
Bard, J.; Steinberger-Wilckens, R.; Groos, U.
Conference Paper
2003Brennstoffzellen im kleinen Leistungsbereich
Hebling, C.; Groos, U.
Conference Paper
2003Brennstoffzellen zur Energieversorgung elektronischer Geräte
Hebling, C.; Groos, U.
Journal Article
2003European portable fuel cell study
: Hebling, C.; Groos, U.; Voigt, M.; Freesen, I.
Study
2003Mehr Power durch Brennstoffzellen
Hebling, C.; Groos, U.; Waldenmaier, S.
Journal Article
2002Miniature fuel cell systems for consumer applications
Hebling, C.; Groos, U.
Journal Article
2002Miniature fuel cell systems for consumer applications
Hebling, C.; Groos, U.
Conference Paper
2002Simulation, characterization, construction and manufacturing of small fuel cell systems for low power applications
Hebling, C.; Oedegaard, A.; Schmitz, A.; Groos, U.; Zedda, M.; Schumacher, J.O.; Hakenjos, A.; Bilsing, A.; Kauffmann, A.; Bresseler, B.; Richter, M.; Schwan, M.; Hahn, R.; Schoening, S.; Maurieschat, U.; Wagner, W.
Conference Paper