Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
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
2018Heating of low and high temperature PEM fuel cells with alternating current
Kurz, T.; Küfner, F.; Gerteisen, D.
Journal Article, Conference Paper
2017Canadian German Fuel Cell Research Cooperation
Groos, U.; Gerteisen, D.; Hebling, C.
Presentation
2017Characterization of PEM fuel cells by electrochemical impedance spectroscopy
Gerteisen, D.; Scherzer, A.-C.; Keller, S.
Presentation
2016Analyzing the influence of high electrode potentials on intrinsic properties of catalyst coated membranes using impedance spectroscopy
Alink, R.; Schüßler, M.; Pospischil, M.; Erath, D.; Gerteisen, D.
Journal Article
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
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
2015Coupling of a continuum fuel cell model with a discrete liquid water percolation model
Alink, R.; Gerteisen, D.
Conference Paper
2015Impact of inhomogeneous catalyst layer properties on impedance spectra of polymer electrolyte membrane fuel cells
Gerteisen, D.
Journal Article
2015Influence of local carbon fibre orientation on the water transport in the gas diffusion layer of polymer electrolyte membrane fuel cells
Markötter, H.; Dittmann, K.; Haußmann, J.; Gerteisen, D.; Alink, R.; Riesemeier, H.; Scholta, J.; Banhart, J.; Manke, I.
Journal Article
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
2014Coupling of a continuum fuel cell model with a discrete liquid water percolation model
Alink, R.; Gerteisen, D.
Journal Article
2014Heterogeneities at the cell level by modeling and experiments
Gerteisen, D.; Zamel, N.
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
2013Influence of cracks in the microporous layer on the water distribution in a PEM fuel cell investigated by synchrotron radiography
Markötter, H.; Haußmann, J.; Alink, R.; Tötzke, C.; Arlt, T.; Klages, M.; Riesemeier, H.; Scholta, J.; Gerteisen, D.; Banhart, J.; Manke, I.
Journal Article
2013The influence of porous transport layer modifications on the water management in polymer electrolyte membrane fuel cells
Alink, R.; Haussmann, J.; Markötter, H.; Schwager, M.; Manke, I.; Gerteisen, D.
Journal Article
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
2013Investigation of fuel cell materials and liquid water transport by means of synchrotron imaging
Markötter, H.; Haußmann, J.; Alink, R.; Dittmann, K.; Tötzke, C.; Krüger, P.; Klages, M.; Arlt, T.; Müller, B.; Riesemeier, H.; Scholta, J.; Gerteisen, D.; Manke, I.; Banhart, J.
Conference Paper
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
2013Measurement of spatially resolved impedance spectroscopy with local perturbation
Zamel, N.; Bhattarai, A.; Gerteisen, D.
Journal Article
2013Modeling the liquid water transport in the gas diffusion layer for polymer electrolyte membrane fuel cells using a water path network
Alink, R.; Gerteisen, D.
Journal Article
2013Ortsaufgelöste Charakterisierung von Brennstoffzellen-Strömungsfeldern zur Modellvalidierung
Gerteisen, D.
Presentation
2013Position dependent analysis of membrane electrode assembly degradation of a direct methanol fuel cell via electrochemical impedance spectroscopy
Hartmann, P.; Zamel, N.; Gerteisen, D.
Journal Article
2013Relating the N-shaped polarization curve of a PEM fuel cell to local oxygen starvation and hydrogen evolution
Zamel, N.; Hanke-Rauschenbach, R.; Kirsch, S.; Bhattarai, A.; Gerteisen, D.
Journal Article
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
2012Effect of operating conditions on current density distribution and high frequency resistance in a segmented PEM fuel cell
Gerteisen, D.; Zamel, N.; Sadeler, C.; Geiger, F.; Ludwig, V.; Hebling, C.
Journal Article
2012Electrooxidation of ethanol on Pt. An in situ and time-resolved XANES study
Melke, J.; Schoekel, A.; Gerteisen, D.; Dixon, D.; Ettingshausen, F.; Cremers, C.; Roth, C.; Ramaker, D.E.
Journal Article
2012Investigation of fuel cell materials and liquid water transport by means of synchrotron imaging
Markötter, H.; Arlt, T.; Tötzke, C.; Dittmann, K.; Krüger, P.; Haußmann, J.; Klages, M.; Scholta, J.; Alink, R.; Gerteisen, D.; Wippermann, K.; Riesemeier, H.; Manke, I.; Banhart, J.
Abstract
2012Local degradation analysis of a real long-term operated DMFC stack MEA
Hartmann, P.; Gerteisen, D.
Journal Article
2012Micro Fuel Cells
Groos, U.; Gerteisen, D.
Book Article
2012Scanning electron microscopy
Alink, R.; Gerteisen, D.
Book Article
2012Visualization of the Water Distribution in Perforated Gas Diffusion Layers by Means of Synchrotron X-Ray Radiography
Markötter, H.; Haußmann, J.; Dittmann, K.; Arlt, T.; Wieder, F.; Tötzke, C.; Klages, M.; Reiter, C.; Riesemeier, H.; Scholta, J.; Gerteisen, D.; Banhart, J.; Manke, I.
Journal Article
2011Investigating the Water Transport in Porous Media for PEMFCs by Liquid Water Visualization in ESEM
Alink, R.; Gerteisen, D.; Merida, W.
Conference Paper, Journal Article
2011Modelling and simulation of a direct ethanol fuel cell considering multistep electrochemical reactions, transport processes and mixed potentials
Meyer, M.; Melke, J.; Gerteisen, D.
Journal Article
2011Scanning Electron Microscopy
Alink, R.; Gerteisen, D.
Book Article
2011Spatially resolved voltage, current and electrochemical impedance spectroscopy measurements
Gerteisen, D.; Merida, W.; Kurz, T.; Lupotto, P.; Schwager, M.; Hebling, C.
Journal Article
2010Investigating the impact of liquid water in a PEFC by electrochemical impedance spectroscopy
Gerteisen, D.; Alink, R.
Conference Paper
2010Investigation of dominant loss mechanisms in low-temperature polymer electrolyte membrane fuel cells
Gerteisen, D.
Dissertation
2010Modelling of CO poisoning and its dynamics in HTPEM fuel cells
Bergmann, A.; Gerteisen, D.; Kurz, T.
Conference Paper, Journal Article
2010Multi-Channel Impedance Spectroscopy for Optimizing Fuel Cells, Stacks, and Systems
Gerteisen, D.; Groos, U.; Mérida, W.
Presentation
2010Spatially resolved impedance spectroscopy in PEM fuel cells up to 200ºC
Bergmann, A.; Kurz, T.; Gerteisen, D.; Hebling, C.
Conference Paper
2010Stability and performance improvement of a polymer electrolyte membrane fuel cell stack by laser perforation of gas diffusion layers
Gerteisen, D.; Sadeler, C.
Journal Article
2010Transient and steady-state analysis of catalyst poisoning and mixed potential formation in direct methanol fuel cells
Gerteisen, D.
Journal Article
2009Dynamic modelling of CO poisoning in PBI-based HTPEM fuel cells
Bergmann, A.; Kurz, T.; Gerteisen, D.
Conference Paper
2009Modeling the dynamic effects of catalyst poisoning and mixed potential formation in a DMFC
Gerteisen, D.; Meyer, M.
Conference Paper
2009Modeling the phenomena of dehydration and flooding of a polymer electrolyte membrane fuel cell
Gerteisen, D.; Heilmann, T.; Ziegler, C.
Journal Article
2009Validity of two-phase polymer electrolyte membrane fuel cell models with respect to the gas diffusion layer
Ziegler, C.; Gerteisen, D.
Journal Article
2008Brennstoffzellenanordnung und Verfahren zu deren Herstellung
Zschieschang, E.; Gerteisen, D.; Zedda, M.; Ackermann, V.
Patent
2008Degradation effects in polymer electrolyte membrane fuel cell stacks by sub-zero operation - An in situ and ex situ analysis
Alink, R.; Gerteisen, D.; Oszcipok, M.
Journal Article
2008Enhancing liquid water transport by laser perforation of a GDL in a PEM fuel cell
Gerteisen, D.; Heilmann, T.; Ziegler, C.
Journal Article
2008Experimental study of two-phase transients in PEMFCs
Ziegler, C.; Heilmann, T.; Gerteisen, D.
Journal Article
2007AC impedance modelling study on porous electrodes of proton exchange membrane fuel cells using an agglomerate model
Gerteisen, D.; Hakenjos, A.; Schumacher, J.O.
Journal Article
2007Investigation of different flow field structures of a proton exchange membrane fuel cell by computational fluid dynamics
Prado, M.A.
: Gerteisen, D. (Prüfer); Jatzlau, B. (Prüfer)
Master Thesis
2007Realising a reference electrode in a polymer electrolyte fuel cell by laser ablation
Gerteisen, D.
Journal Article
2007Verfahren zur Herstellung von Gasdiffusionsschichten, derart hergestellte Gasdiffusionsschichten und diese enthaltende Brennstoffzellen
Gerteisen, D.
Patent
2006Charakterisierung von porösen Gasdiffusionselektroden in Polymer-Elektrolyt-Brennstoffzellen mit Hilfe der Impedanzspektroskopie in einer Referenzelektrodenanordnung
Gerteisen, D.; Walter, M.; Eccarius, S.
Journal Article
2005Dreidimensionale Simulation von Transportprozessen in PEM-Brennstoffzellen zur Optimierung der Gasverteilerstruktur
Kornhaas, M.
: Kessler, M. (Prüfer); Schumacher, J.O. (Prüfer); Gerteisen, D. (Prüfer)
Thesis
2003Investigation of the cathode active layer of PEM fuel cells using AC impedance spectroscopy
Gerteisen, D.; Hakenjos, A.; Schumacher, J.O.
Conference Paper