Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2008A nonisothermal PEM fuel cell model including two water transport mechanisms in the membrane
Steinkamp, K.; Schumacher, J.O.; Goldsmith, F.; Ohlberger, M.; Ziegler, C.
Zeitschriftenaufsatz
2007AC impedance modelling study on porous electrodes of proton exchange membrane fuel cells using an agglomerate model
Gerteisen, D.; Hakenjos, A.; Schumacher, J.O.
Zeitschriftenaufsatz
2005Analysis of membrane electrode assembly (MEA) by environmental scanning electron microscope (ESEM)
Yu, H.M.; Schumacher, J.O.; Zobel, M.; Hebling, C.
Konferenzbeitrag, Zeitschriftenaufsatz
2005Analysis of the PEM fuel cell dynamics
Ziegler, C.; Yu, H.; Schumacher, J.O.
Konferenzbeitrag
2005Dreidimensionale Simulation von Transportprozessen in PEM-Brennstoffzellen zur Optimierung der Gasverteilerstruktur
Kornhaas, M.
: Kessler, M. (Prüfer); Schumacher, J.O. (Prüfer); Gerteisen, D. (Prüfer)
Diplomarbeit
2005Dynamic modeling of a PEM fuel cell stack
Ziegler, C.; Philipps, S.; Niemeyer, J.; Schumacher, J.O.
Konferenzbeitrag
2005Two-phase dynamic modeling of PEMFCs and simulation of cyclo-voltammograms
Ziegler, C.; Yu, H.M.; Schumacher, J.O.
Zeitschriftenaufsatz
2004Characterising PEM fuel cell performance using a current distribution measurement in comparison with a CFD model
Hakenjos, A.; Tüber, K.; Schumacher, J.O.; Hebling, C.
Zeitschriftenaufsatz
2004Control of miniature proton exchange membrane fuel cells based on fuzzy logic
Schumacher, J.O.; Gemmar, P.; Denne, M.; Zedda, M.; Stueber, M.
Zeitschriftenaufsatz
2004Modeling planar and self-breathing fuel cells for use in electronic devices
Ziegler, C.; Schmitz, A.; Tranitz, M.; Fontes, E.; Schumacher, J.O.
Zeitschriftenaufsatz
2004Modelling approach for planar self-breathing PEMFC and comparison with experimental results
Schmitz, A.; Ziegler, C.; Schumacher, J.O.; Tranitz, M.; Fontes, E.; Hebling, C.
Zeitschriftenaufsatz
2003Characterization of PEM fuel cell performance using current distribution measurement in comparison with a CFD model
Hakenjos, A.; Tüber, K.; Schumacher, J.O.; Hebling, C.
Konferenzbeitrag
2003A dynamic two-phase flow model of proton exchange membrane fuel cells
Kühn, K.; Ohlberger, M.; Schumacher, J.O.; Ziegler, C.; Klöfkorn, R.
Konferenzbeitrag
2003Influence of the microstructure of the catalyst layer on the performance of the PEMFC cathode
Fontes, E.; Schumacher, J.O.; Vasileiades, N.; Parhammar, O.; Schmitz, A.
Konferenzbeitrag
2003Investigation of the cathode active layer of PEM fuel cells using AC impedance spectroscopy
Gerteisen, D.; Hakenjos, A.; Schumacher, J.O.
Konferenzbeitrag
2003Modelling of planar self-breathing PEMFC
Schmitz, A.; Ziegler, C.; Schumacher, J.O.; Tranitz, M.; Fontes, E.; Hebling, C.
Konferenzbeitrag
2003PEM fuel cells for the power supply of electronic appliances
Hebling, C.; Burger, B.; Hakenjos, A.; Hesselmann, J.; Münter, H.; Pócza, D.; Schumacher, J.O.; Wittstadt, U.; Zedda, M.; Zobel, M.
Konferenzbeitrag
2002Analysis of one-sun mono-crystalline rear-contacted silicon solar cells with efficiencies of 22.1%
Dicker, J.; Schumacher, J.O.; Warta, W.; Glunz, S.W.
Zeitschriftenaufsatz
2002Numerical modeling of highly doped SI:P emitters based on Fermi-Dirac statistics and self-consistent material parameters
Altermatt, P.P.; Schumacher, J.O.; Cuevas, A.; Glunz, S.W.; Kerr, M.; King, R.R.; Heiser, G.; Schenk, A.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
2001Application of an improved band-gap narrowing model to the numerical simulation of recombination of phosphorus-doped silicon emitters
Schumacher, J.O.; Altermatt, P.P.; Heiser, G.; Aberle, A.G.
Zeitschriftenaufsatz
2001Device physics of solar cells
Schumacher, J.O.; Wettling, W.
Aufsatz in Buch
2000Analysis of rear contacted solar cell structures for cost-effective processes and materials
Dicker, J.; Sölter, J.; Schumacher, J.O.; Glunz, S.W.; Warta, W.
Konferenzbeitrag
2000The extraction of the surface recombination velocity of Si:P emitters using advanced silicon models
Altermatt, P.P.; Schumacher, J.O.; Cuevas, A.; Glunz, S.W.; King, R.R.; Heiser, G.; Schenk, A.
Konferenzbeitrag
2000Numerical analysis of crystalline silicon thin film solar cells on perforated SiO2 barrier layers
Dicker, J.; Schumacher, J.O.; Sölter, J.; Zimmermann, W.; Bau, S.; Warta, W.
Konferenzbeitrag
1998Characterization of high-efficiency silicon solar cells with rear side contacts
Dicker, J.; Schumacher, J.O.; Glunz, S.W.; Warta, W.
Konferenzbeitrag
1998Halbleitersimulation von Solarzellen
Dicker, J.; Schumacher, J.O.
Zeitschriftenaufsatz
1998Screen printed and RT-processed emitters for crystalline silicon solar cells
Preu, R.; Schumacher, J.O.; Hahne, P.; Lautenschlager, H.; Reis, I.E.; Glunz, S.W.; Warta, W.
Konferenzbeitrag
1998Variations of the back surface field in silicon thin-film solar cells with interdigitated front grid
Hebling, C.; Glunz, S.W.; Schumacher, J.O.; Knobloch, J.
Konferenzbeitrag
1997Analysis and design of a thin film silicon solar cell on an insulating substrate
Schumacher, J.O.; Hebling, C.; Warta, W.
Konferenzbeitrag
1997Characterization of silicon solar cells with interdigitated contacts
Schumacher, J.O.; Dicker, J.; Glunz, S.; Hebling, C.; Knobloch, J.; Warta, W.; Wettling, W.
Konferenzbeitrag
1997High-efficiency (19.2%) silicon thin-film solar cells with interdigitated emitter and base front-contacts
Hebling, C.; Glunz, S.W.; Schumacher, J.O.; Knobloch, J.
Konferenzbeitrag