Prof. Dr. Jürgen Schumacher

ZHAW School of Engineering
Forschungsschwerpunkt Electrochemical Cells & Energy Systems
Technikumstrasse 71
8400 Winterthur

+41 (0) 58 934 69 89
juergen.schumacher@zhaw.ch

Netzwerk

Mitglied in Netzwerken

Founding member of the Flow Battery Association - a united voice for flow batteries
Member of Hydrogen Europe Research active in several roadmaps on proton exchange membrane fuel cells and hydrogen production
Isomorph - modelling and simulation of electrochemical cells for energy conversion
Research in FlowCamp aims to improve materials for high-performance, low-cost next-generation redox-flow batteries.
Research in the EU project SONAR on modelling for the search for new active materials for redox flow batteries
Swiss Competence Center for Energy Research - Efficient Technologies and Systems for Mobility (SCCER Mobility)

Projekte

Publikationen

Beiträge in wissenschaftlicher Zeitschrift, peer-reviewed

Wlodarczyk, J. K., Schärer, R. P., Friedrich, A., & Schumacher, J. (2024). Upscaling of reactive mass transport through porous electrodes in aqueous flow batteries. Journal of the Electrochemical Society, 171(020544). https://doi.org/10.1149/1945-7111/ad258e
Tsehaye, M. T., Mourouga, G., Schmidt, T. J., Schumacher, J., Velizarov, S., Van der Bruggen, B., Alloin, F., & Iojoiu, C. (2023). Towards optimized membranes for aqueous organic redox flow batteries : correlation between membrane properties and cell performance. Renewable and Sustainable Energy Reviews, 173, 113059. https://doi.org/10.1016/j.rser.2022.113059
Wlodarczyk, J., Baltes, N., Friedrich, K. A., & Schumacher, J. (2023). Mass transport limitations in concentrated aqueous electrolyte solutions : theoretical and experimental study of the hydrogen-bromine flow battery electrolyte. Electrochimica Acta, 461(142640). https://doi.org/10.1016/j.electacta.2023.142640
Mourouga, G., Chery, D., Baudrin, E., Randriamahazaka, H., Schmidt, T. J., & Schumacher, J. O. (2022). Estimation of activity coefficients for aqueous organic redox flow batteries : theoretical basis and equations. iScience, 25(9), 104901. https://doi.org/10.1016/j.isci.2022.104901
Mourouga, G., Schärer, R. P., Yang, X., Janoschka, T., Schmidt, T. J., & Schumacher, J. O. (2022). Physics-based 0D-U-I-SoC cell performance model for aqueous organic redox flow batteries. Electrochimica Acta, 415(140185). https://doi.org/10.1016/j.electacta.2022.140185
Herrendörfer, R., Cochet, M., & Schumacher, J. (2022). Simulation of mass and heat transfer in an evaporatively cooled PEM fuel cell. Energies, 15(8), 2734. https://doi.org/10.3390/en15082734
Wlodarczyk, J. K., Küttinger, M., Friedrich, A. K., & Schumacher, J. O. (2021). Exploring the thermodynamics of the bromine electrode in concentrated solutions for improved parametrisation of hydrogen-bromine flow battery models. Journal of Power Sources, 508. https://doi.org/10.1016/j.jpowsour.2021.230202
Vetter, R., & Schumacher, J. O. (2019). Experimental parameter uncertainty in proton exchange membrane fuel cell modeling - part II : sensitivity analysis and importance ranking. Journal of Power Sources, 439, 126529. https://doi.org/10.1016/j.jpowsour.2019.04.057
Vetter, R., & Schumacher, J. O. (2019). Experimental parameter uncertainty in proton exchange membrane fuel cell modeling - part I : scatter in material parameterization. Journal of Power Sources, 438, 227018. https://doi.org/10.1016/j.jpowsour.2019.227018
Vetter, R., & Schumacher, J. (2019). Free open reference implementation of a two-phase PEM fuel cell model. Computer Physics Communications, 234, 223–234. https://doi.org/10.1016/j.cpc.2018.07.023
Capone, L., Marmet, P., Holzer, L., Dujc, J., Schumacher, J., Lamibrac, A., Büchi, F., & Becker, J. (2018). An ensemble Monte Carlo simulation study of water distribution in porous gas diffusion layers for proton exchange membrane fuel cells. Journal of Electrochemical Energy Conversion and Storage, 15(3), 31005. https://doi.org/10.1115/1.4038627
Dujc, J., Forner-Cuenca, A., Marmet, P., Cochet, M., Vetter, R., Schumacher, J., & Boillat, P. (2018). Modelling the effects of using gas diffusion layers with patterned wettability for advanced water management in proton exchange membrane fuel cells. Journal of Electrochemical Energy Conversion and Storage, 15(2). https://doi.org/10.1115/1.4038626
Holzer, L., Pecho, O., Schumacher, J., Marmet, P., Büchi, F. N., Lamibrac, A., & Münch, B. (2017). Microstructure-property relationships in a gas diffusion layer (GDL) for polymer electrolyte fuel cells, Part II : pressure-induced water injection and liquid permeability. Electrochimica Acta, 241, 414–432. https://doi.org/10.1016/j.electacta.2017.04.141
Holzer, L., Pecho, O., Schumacher, J., Marmet, P., Stenzel, O., Büchi, F. N., Lamibrac, A., & Münch, B. (2017). Microstructure-property relationships in a gas diffusion layer (GDL) for polymer electrolyte fuel cells, Part I : effect of compression and anisotropy of dry GDL. Electrochimica Acta, 227, 419–434. https://doi.org/10.1016/j.electacta.2017.01.030
Cendula, P., Tilley, S. D., Gimenez, S., Bisquert, J., Schmid, M., Grätzel, M., & Schumacher, J. (2014). Calculation of the energy band diagram of a photoelectrochemical water splitting cell. The Journal of Physical Chemistry C, 118(51), 29599–29607. https://doi.org/10.1021/jp509719d
Schumacher, J., Eller, J., Sartoris, G., Colinart, T., & Seyfang, B. C. (2012). 2+1D modelling of a polymer electrolyte fuel cell with glassy-carbon microstructures. Mathematical and Computer Modelling of Dynamical Systems, 18(4), 355–377. https://doi.org/10.1080/13873954.2011.642390
Wenger, S., Schmid, M., Rothenberger, G., Gentsch, A., Grätzel, M., & Schumacher, J. (2011). Coupled optical and electronic modeling of dye-sensitized solar cells for steady-state parameter extraction. The Journal of Physical Chemistry C, 115(20), 10218–10229. https://doi.org/10.1021/jp111565q
Steinkamp, K., Schumacher, J., Goldsmith, F., Ohlberger, M., & Ziegler, C. (2008). A non-isothermal PEM fuel cell model including two water transport mechanisms in the membrane. Journal of Fuel Cell Science and Technology, 5(1). https://doi.org/10.1115/1.2822884
Gerteisen, D., Hakenjos, A., & Schumacher, J. (2007). AC impedance modelling study on porous electrodes of proton exchange membrane fuel cells using an agglomerate model. Journal of Power Sources, 173(1), 346–356. https://doi.org/10.1016/j.jpowsour.2007.04.071
Ziegler, C., Yu, H. M., & Schumacher, J. (2005). Two-phase dynamic modeling of the PEMFCs and simulation of cyclo-voltammograms. Journal of the Electrochemical Society, 152(8), 1555–1567. https://doi.org/10.1149/1.1946408
Yu, H. M., Schumacher, J., Zobel, M., & Hebling, C. (2005). Analysis of membrane electrode assembly (MEA) by environmental scanning electron microscope (ESEM). Journal of Power Sources, 145(2), 216–222. https://doi.org/10.1016/j.jpowsour.2004.12.069
Schmitz, A., Ziegler, C., Schumacher, J., Tranitz, M., Fontes, E., & Hebling, C. (2004). Modelling approach for planar self-breathing PEMFC and comparison with experimental results. Fuel Cells, 4(4), 358–364. https://doi.org/10.1002/fuce.200400034
Ziegler, C., Schmitz, A., Tranitz, M., Fontes, E., & Schumacher, J. (2004). Modeling planar and self-breathing fuel cells for use in electronic devices. Journal of the Electrochemical Society, 151(12), 2028–2041. https://doi.org/10.1149/1.1810451
Hakenjos, A., Tüber, K., Schumacher, J., & Hebling, C. (2004). Characterising PEM fuel cell performance using current distribution measurement in comparison with a CFD model. Fuel Cells, 4(3), 185–189. https://doi.org/10.1002/fuce.200400026
Schumacher, J., Gemmar, P., Denne, M., Zedda, M., & Stüber, M. (2004). Control of miniature proton exchange fuel cells based on fuzzy logic. Journal of Power Sources, 129(2), 143–151. https://doi.org/10.1016/j.jpowsour.2003.10.010
Dicker, J., Schumacher, J., Warta, W., & Glunz, S. (2002). Analysis of one-sun monocrystalline rear-contacted silicon solar cells with efficiencies of 22.1%. Journal of Applied Physics, 91(7), 4335. https://doi.org/10.1063/1.1446657
Altermatt, P., Schumacher, J., Cuevas, A., Kerr, M., Glunz, S., King, R., Heiser, G., & Schenk, A. (2002). Numerical modeling of highly doped Si:P emitters based on Fermi–Dirac statistics and self-consistent material parameters. Journal of Applied Physics, 92(6), 3187–3197. https://doi.org/10.1063/1.1501743
Schumacher, J., Altermatt, P., Heiser, G., & Aberle, A. (2001). Application of an improved band gap narrowing model to the numerical simulation of recombination properties of phosphorus-doped silicon emitters. Solar Energy Materials & Solar Cells, 65(1-4), 95–103. https://doi.org/10.1016/S0927-0248(00)00082-9
Glunz, S., Schumacher, J., Warta, W., Knobloch, J., & Wettling, W. (1996). Solar cells with mesh-structured emitter. Progress in Photovoltaics, 4(6), 415–424. doi.org/10.1002/(SICI)1099-159X(199611/12)4:6<415::AID-PIP152>3.0.CO;2-1

Bücher, peer-reviewed

Schumacher, J. (2000). Numerical simulation of silicon solar cells with novel cell structures [Doctoral dissertation]. Universität Konstanz.

Buchbeiträge, peer-reviewed

Wlodarczyk, J., Mourouga, G., Schärer, R. P., & Schumacher, J. (2023). Continuum modeling and simulation of flow batteries. In C. Roth, J. Noack, & M. Skyllas-Kazacos (Eds.), Flow batteries : from fundamentals to applications (pp. 379–412). Wiley. https://doi.org/10.1002/9783527832767.ch17

Schriftliche Konferenzbeiträge, peer-reviewed

Lopez Garcia, J., Peljo, P., & Schumacher, J. (2026, April 11). Qualitative regime behaviour in 1D models for redox- flow cells. 22nd Symposium on Modeling and Validation of Electrochemical Energy Technologies (ModVal), Lausanne, Switzerland, 10-11 March 2026. https://doi.org/10.21256/zhaw-36159
Scoletta, E., Diana, M., Schärer, R. P., & Schumacher, J. O. (2026, March 11). The role of transient dynamics in PEM fuel cells : polarization hysteresis and impedance analysis. 22nd Symposium on Modeling and Experimental. Validation of Electrochemical Energy Technologies (ModVal), Lausanne, Switzerland, 10-11 March 2026.
Cinti, D., Franco, A. A., Schärer, R. P., & Schumacher, J. O. (2026, March 10). Coupled transport, Poisson and gFBV model for 1D double layer description of RFB electrode-electrolyte interface. 22nd Symposium on Modeling and Validation of Electrochemical Energy Technologies (ModVal), Lausanne, Switzerland, 10-11 March 2026.
C. Vieira, L., A. Villarroel, P., Schärer, R. P., Kecsenovity, E., & Schumacher, J. O. (2026, March 10). Studying local inhomogeneities in zero-gap CO2 electrolysis via validated 2D multiphysics simulation. 22nd Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal), Lausanne, Switzerland, 10-11 March 2026.
Schärer, R. P., & Schumacher, J. O. (2026, March 10). Unified microkinetic modelling of coupled oxygen reduction and degradation reactions in PEMFC cathode catalyst layers. 22nd Symposium on Modeling and Validation of Electrochemical Energy Technologies (ModVal), Lausanne, Switzerland, 10-11 March 2026.
Corte Vieira, L., Begal, F., Schärer, R. P., Kunkel, R., & Schumacher, J. (2025, March 11). Mechanistic study and parameter estimation of a multi-electron transfer organic synthesis. 21st Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal), Karlsruhe, Germany, 11-12 March 2025. https://doi.org/10.21256/zhaw-32971
Scoletta, E., & Schumacher, J. (2025, March 11). A modelling framework for the simulation of coupled performance-degradation phenomena in proton exchange membrane fuel cells. 21st Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal), Karlsruhe, Germany, 11-12 March 2025.
Schärer, R. P., & Schumacher, J. (2024, June). A hybrid 3D/2D model for performance predictions of organic flow battery cells. The International Flow Battery Forum (IFBF), Glasgow, Scotland, 25-27 June 2024. https://doi.org/10.21256/zhaw-31722
Schärer, R. P., & Schumacher, J. (2023, March 21). A transient non-isothermal cell performance model for organic redox flow batteries. 19th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal), Duisburg, Germany, 21-23 March 2023.
Schärer, R. P., Wlodarczyk, J., & Schumacher, J. (2022). Reactive transport in porous electrodes : from pore-scale to macroscale descriptions. 18th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal), Hohenkammer, Germany, 14-16 March 2022. https://doi.org/10.21256/zhaw-24717
Wlodarczyk, J., Cantu, B., Fischer, P., Küttinger, M., & Schumacher, J. (2019). An enhanced 1-D model of a hydrogen-bromine flow battery [Conference poster]. In U. Krewer, V. Laue, & A. Redeker (Eds.), 16th symposium on modeling and experimental validation of electrochemical energy technologies (ModVal 2019) : book of abstracts. Technische Universität Braunschweig. https://doi.org/10.21256/zhaw-2791
Herrendörfer, R., & Schumacher, J. O. (2019). Advanced characterization of polymer electrolyte fuel cells using a two-phase time-dependent model [Conference poster]. In U. Krewer, V. Laue, & A. Redeker (Eds.), 16th symposium on modeling and experimental validation of electrochemical energy technologies (ModVal 2019) : book of abstracts. Technische Universität Braunschweig. https://doi.org/10.21256/zhaw-2790
Mourouga, G., Sansone, C., Alloin, F., Iojoiu, C., & Schumacher, J. (2019). A multicomponent diffusion model for organic redox flow battery membranes [Conference poster]. In U. Krewer, V. Laue, & A. Redeker (Eds.), 16th symposium on modeling and experimental validation of electrochemical energy technologies (ModVal 2019) : book of abstracts. Technische Universität Braunschweig. https://doi.org/10.21256/zhaw-2792
Piotrowski, J., Häffelin, A., Vetter, R., & Schumacher, J. (2018). Analysis and extension of a PEMFC model [Conference poster]. In E. Berg, F. Büchi, J. Eller, & L. Gubler (Eds.), 15th Symposium on Modeling and Experimental Validation of Electrochemical Energy Devices (ModVal 2018), Aarau, Switzerland, 12-13 April 2018. Paul Scherrer Institut. https://doi.org/10.3929/ethz-b-000240521
Dujc, J., & Schumacher, J. (2013). Hierarchical modeling of polymer electrolyte membrane fuel cells. Proceedings of the 2013 COMSOL Conference in Rotterdam.
Wenger, S., Schmid, M., Rothenberger, G., Grätzel, M., & Schumacher, J. (2009). Model-based optical and electrical characterization of dye-sensitized solar cells. 24th European Photovoltaic Solar Energy Conference and Exhibition : 2009 Hamburg Proceedings.
Ziegler, C., Tranitz, M., & Schumacher, J. (2005). A model for planar self-breathing proton exchange membrane fuel cells in FEMLAB. Proceedings and User Presentations CD - COMSOL Multiphysics Conference 2005.
Hebling, C., Burger, B., Hakenjos, A., Hesselmann, J., Münter, H., Pocza, D., Schumacher, J., Wittstatt, U., Zedda, M., & Zobel, M. (2004). PEM fuel cells for the power supply of electronic appliances [Conference paper]. The Fuel Cell World 2003 : 30 June-4 July 2003, Lucerne, Switzerland : Proceedings, 143–152.
Schmitz, A., Ziegler, C., Schumacher, J., Tranitz, M., & Fontes, E. (2004). Modeling of the planar self-breathing PEMFC [Conference paper]. The Fuel Cell World 2003 : 30 June-4 July 2003, Lucerne, Switzerland : Proceedings, 297.
Kühn, K., Ohlberger, M., Schumacher, J., Ziegler, C., & Klöfkorn, R. (2004). A dynamic two-phase flow model of proton exchange membrane fuel cells [Conference paper]. The Fuel Cell World 2003 : 30 June-4 July 2003, Lucerne, Switzerland : Proceedings, 283–296.
Fontes, E., Byrne, P., Schumacher, J., Vasileiades, N., Parhammer, O., & Schmitz, A. (2003). Influence of the microstructure of the catalyst layer on the performance of the PEMFC cathode [Conference paper]. Nanotech 2003 : Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, 3, 478–481.
Gerteisen, D., Hakenjos, A., & Schumacher, J. (2003). Investigation of the cathode active layer of PEM fuel cells using AC impedance spectroscopy [Conference paper]. 2nd European PEFC Forum 2003. Proceedings. Vol.1 : 30 June - 4 July 2003, Lucerne, Switzerland, 1, 271–282.
Dicker, J., Sölter, J., Schumacher, J., Glunz, S., & Warta, W. (2000). Analysis of rear contacted solar cell structures for cost-effective processes and materials [Conference paper]. Conference Record of the Twenty-Eighth IEEE Photovoltaic Specialists Conference - 2000 (Cat. No.00CH37036), 2000, 387–390. https://doi.org/10.1109/PVSC.2000.915847
Dicker, J., Schumacher, J., Sölter, J., Zimmermann, W., Bau, S., & Warta, W. (2000). Numerical analysis of crystalline silicon thin film solar cells on perforated SiO2 barrier layers [Conference paper]. Sixteenth European Photovoltaic Solar Energy Conference 2000 : Proceedings of the International Conference Held in Glasgow, United Kingdom, 1 - 5 May 2000, 2, 1459–1462. https://www.osti.gov/etdeweb/biblio/20195361
Altermatt, P., Schumacher, J., Cuevas, A., Glunz, S., King, R., Heiser, G., & Schenk, A. (2000). The extraction of the surface recombination velocity of Si:P emitters using advanced silicon models [Conference paper]. Sixteenth European Photovoltaic Solar Energy Conference 2000 : Proceedings of the International Conference Held in Glasgow, United Kingdom, 1 - 5 May 2000, 2, 102–105. http://ssrg.nicta.com/publications/papers/Altermatt_SCGKHS_00.pdf
Schumacher, J., Altermatt, P., Heiser, G., & Aberle, A. (1999). Application of an improved band gap narrowing model to the numerical simulation of recombination properties of phosphorus doped silicon emitters [Conference paper]. Technical Digest - 11th International Photovoltaic Science and Engineering Conference : Sept. 20 - 24, 1999, Hokkaido, Japan, Royton Sapporo, 291–292.
Wagner, B., & Schumacher, J. (1995). Light confinement and influence of electrical parameters on thin silicon solar cells [Conference paper]. In H. S. Stephens (Ed.), Thirteenth European Photovoltaic Solar Energy Conference : proceedings of the international conference, held at Nice, France, 23-27 October 1995, Volume 1 (p. 465).
Schumacher, J., Sterk, S., Wagner, B., & Warta, W. (1995). Quantum efficiency analysis of high efficiency solar cells with textured surfaces [Conference paper]. In H. S. Stephens (Ed.), Thirteenth European Photovoltaic Solar Energy Conference : proceedings of the international conference, held at Nice, France 23 - 27 October, 1995, Volume 1 (pp. 96–99).
Blieske, U., Sterk, S., Bett, A., Schumacher, J., Wettling, W., Marti, A., Terron, M. J., & Luque, A. (1994). LPE-GaAs and LBSF-Si solar cells for tandem concentrator application [Conference paper]. Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC), 2, 1902–1905. https://doi.org/10.1109/WCPEC.1994.520739

Weitere Publikationen

Dullak Angeloni, A., Schärer, R. P., & Schumacher, J. O. (2026, March 10). Local LBM implementation for electrochemical transport in OpenLB. 22nd Symposium on Modeling and Experimental. Validation of Electrochemical Energy Technologies (ModVal), Lausanne, Switzerland, 10-11 March 2026.
Herrendörfer, R., Schumacher, J., Cochet, M., Büchi, F. N., & Boillat, P. (2020, November 23). 3-D simulation of water and heat transport processes in fuel cells during evaporative cooling and humidification. 7th SCCER Mobility Annual Conference, Online, 23 November 2020. https://doi.org/10.21256/zhaw-20916
Cendula, P., Steier, L., Losio, P. A., Grätzel, M., & Schumacher, J. O. (2018). Analysis of optical losses in a photoelectrochemical cell : a tool for precise absorptance estimation. Advanced Functional Materials, 28(1), 1702768. https://doi.org/10.1002/adfm.201702768
Vetter, R., & Schumacher, J. O. (2018, April 25). A new open-source PEMFC simulation tool for easy assessment of material parameterizations. 15th Symposium on Modeling and Validation of Electrochemical Energy Devices. ModVal 2018 : Book of Abstracts. https://doi.org/10.3929/ethz-b-000240521
Boillat, P., Cochet, M., Büchi, F., Lamibrac, A., Mularczyk, A., Vetter, R., & Schumacher, J. O. (2017, September 15). Hydrogen for electromobility : a promising energy carrier. 4th Annual Conference SCCER Mobility, Zürich, 4. September 2017. https://doi.org/10.21256/zhaw-3627
Vetter, R., & Schumacher, J. (2017, March 22). Toward predictive PEFC simulation : the importance of thermal and electrical contact resistance. 14th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 14), Karlsruhe, 2-3 March 2017. https://doi.org/10.21256/zhaw-3634
Cendula, P., & Schumacher, J. (2016, October 13). Spectroscopic modeling of photoelectrochemical water splitting. COMSOL Conference, Munich, Germany, 12-14 October 2016. https://www.comsol.com/2016-user-presentations/multiphysics
Schumacher, J., & Cendula, P. (2016, September). Simulation of photoelectrode impedance : extraction of water oxidation rate and recombination lifetime. International Conference on Advances in Semiconductors and Catalysts for Photoelectrochemical Fuel Production, Berlin, Germany, 5-6 September 2016.
Dujc, J., Forner-Cuenca, A., Cochet, M., Schumacher, J., & Boillat, P. (2016, March). Simulation-based optimization of patterned GDL for Water Management in PEFC. 13th Symposium on Fuel Cell and Battery Modelling and Experimental Validation (ModVal 13) , Lausanne, 22-23 March 2016.
Dujc, J., Capone, L., Schumacher, J., Biesdorf, J., & Boillat, P. (2015, March). Numerical simulation of liquid water saturation in cathode side gas diffusion layers of PEFCs. 12th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 12), Freiburg, Germany, 26-27 March 2015.
Cendula, P., Steier, L., Tilley, S. D., Graetzel, M., & Schumacher, J. (2015, March). Optoelectronic modeling of hematite photoelectrodes. 12th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 12), Freiburg, Germany, 26-27 March 2015.
Dujc, J., & Schumacher, J. (2014). A multi dimension approach for fast analysis of polymer electrolyte membrane fuel cells [Conference paper]. Proceedings of the European Hydrogen Energy Conference - EHEC 2014, 774–777.
Schumacher, J., Eller, J., Sartoris, G., & Roos, M. (2007, October). Computationally efficient simulation of polymer electrolyte fuel cells and stacks. COMSOL Conference, Grenoble, France, 23-24 October 2007.
Gerteisen, D., Hakenjos, A., & Schumacher, J. (2005). Model-based analysis of the current interrupt technique for the characterisation of porous gas diffusion electrodes in PEM fuel cells. Fuel Cell Forum, Lucerne, 4-8 July 2005.
Ziegler, C., Phillips, S., Niemeyer, J., & Schumacher, J. (2005). A dynamic PEM-fuel cell stack model for system simulation. Fuel Cell Forum, Lucerne, 4-8 July 2005.
Schumacher, J., & Wettling, W. (2001). Device physics of silicon solar cells. In M. D. Archer & R. Hill (Eds.), Clean electricity from photovoltaics (pp. 33–89). Imperial College Press. https://doi.org/10.1142/9781848161504_0002
Dicker, J., & Schumacher, J. (1998). Halbleitersimulation von Solarzellen. Design & Elektronik, 1998(3), 57.

Mündliche Konferenzbeiträge und Abstracts

Lapkin, A. A., Shuyuan, Z., Willimetz, D., & Schumacher, J. (2025). Ontological representation of experiments in electrochemistry and synthetic chemistry [Conference presentation]. https://doi.org/10.5281/zenodo.18016880
Schärer, R. P., & Schumacher, J. (2025). Electrochemical interface model coupling oxygen reduction and degradation reactions in the cathode catalyst layer of a PEMFC [Conference presentation]. Proceedings of the 21st Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies, 37. https://doi.org/10.48584/opus-10318
Schumacher, J., & Schärer, R. P. (2024, October 11). Insights in MEA operation behavior from a modeling perspective I : performance and degradation modelling of MEAs. International Hybrid Workshop “Fuel Cell MEA Design”, Freiburg, Germany, 10-11. October 2024. https://www.ise.fraunhofer.de/en/events-and-trade-fairs/fuel-cell-mea.html
Schärer, R. P., & Schumacher, J. (2024). An open-source model for high-throughput flow battery cell performance predictions [Conference presentation]. 20th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies. ModVal 2024 : Book of Abstracts, 50. https://doi.org/10.3929/ethz-b-000662523
Noack, J., Baudrin, E., Fornari, R., Franco, A. A., Gerlach, D., Guan, X., Hamaekers, J., Maass, A., Menictas, C., Mourouga, G., Nirschl, H., Roznyatovskaya, N., Schärer, R. P., Schumacher, J., de Silva, P., Skyllas-Kazacos, M., Wlodarczyk, J., Wolf, A., & Yu, J. (2022). Modelling and simulation for the search for new active materials for redox flow batteries : results of the international project Sonar. 241st ECS Meeting, Vancouver, Canada, 29 May - 2 June 2022. https://doi.org/10.1149/MA2022-01461954mtgabs
Herrendörfer, R., Cochet, M., Boillat, P., & Schumacher, J. (2021). 3-D simulation of heat and water transport processes in PEFCs during evaporative cooling and humidification. EFCF 2021 Low-Temperature Electrolysers, Fuel Cells & H2 Processing, Online, 29 June - 2 July 2021.
Wlodarczyk, J. K., Baltes, N., Friedrich, A., & Schumacher, J. (2021). Thermodynamics and diffusional mass transport problems in concentrated electrolytes : an application in H2/Br2 redox flow battery modeling [Conference presentation]. MODVAL 17 : Book of Abstracts, 31.
Schärer, R. P., Wlodarczyk, J., & Schumacher, J. (2021). Towards multiscale modelling of porous electrodes : connecting the meso- to the macroscopic scale [Conference presentation]. AMaSiS 2021 Book of Abstracts, 34. https://www.wias-berlin.de/workshops/amasis2021/resources/AMaSiS2021-book_of_abstracts.pdf
Mourouga, G., Baudrin, E., Courty, M., Schmidt, T. J., & Schumacher, J. (2021, April 20). Towards rigorous thermodynamics in aqueous flow batteries : measuring activity coefficients with differential scanning calorimetry. 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), Online, 20-22 April 2021.
Herrendörfer, R., Cochet, M., Boillat, P., & Schumacher, J. (2021, April 20). 3-D simulation of heat and water transport in PEFCs during evaporative cooling and humidification. 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), Online, 20-22 April 2021.
Vetter, R., Herrendörfer, R., & Schumacher, J. O. (2019). Experimental parameter uncertainty in PEM fuel cell modeling. Abstracts. https://fdfc2019.sciencesconf.org/
Vetter, R., & Schumacher, J. (2018, April 12). An open implementation of a two-phase PEMFC model in MATLAB. 15th Symposium on Modeling and Experimental Validation of Electrochemical Energy Devices (ModVal 2018), Aarau, Switzerland, 12-13 April 2018.
Marmet, P., Capone, L., Lamibrac, A., Dujc, J., & Schumacher, J. (2016, March 22). Ensemble-based study of equilibrium liquid water distribution in PEM gas diffusion layer. 13th Symposium on Modeling and Experimental Validation of Fuel Cells, Electrolysers and Batteries, EPFL Lausanne, Switzerland, 22 March 2016.
Dujc, J., Stenzel, O., Holzer, L., Schumacher, J., Lamibrac, A., & Capone, L. (2015). Voxel-based modelling of water distribution in PEFC porous media. 12th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 12), Freiburg, Germany, 26-27 March 2015.
Schumacher, J., Dujc, J., Capone, L., Stenzel, O., Holzer, L., Lamibrac, A., & Büchi, F. (2015). Parameterisation of macrohomogeneous models of proton exchange membrane fuel cells. 12th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 12), Freiburg, Germany, 26-27 March 2015.
Dujc, J., & Schumacher, J. (2014, March 18). A multi-dimensional model to analyze large-area PEM fuel cells. Book of Abstracts : 11th Symposium on Fuel Cell and Battery Modeling and Experimental Validation - ModVal 11.
Schmid, M., Gentsch, A., Wenger, S., Rothenberger, G., & Schumacher, J. (2010, May). Time-dependent coupled optical and electric modeling of dye-sensitized solar cells. HOPV 2010 : Hybrid and Organic Photovoltaics Conference, Assisi, Italy, 23-26 May 2010.
Wenger, S., Schmid, M., Rothenberger, G., Grätzel, M., & Schumacher, J. (2010, April). Understanding charge transport and recombination in dye-sensitized solar cells using an experimentally validated coupled optical and electrical model. MRS Spring Meeting, San Francisco, USA, 5-9 April 2010.
Schumacher, J., & Safa, Y. (2010, March). Modeling two-phase flow in the gas diffusion layer of a proton exchange membrane fuel cell. 7th Symposium on Fuel Cell Modeling and Experimental Validation, Morges, 23-24 March 2010.
Safa, Y., & Schumacher, J. O. (2009, December). Numerical modeling of the two-phase transport in a PEM fuel cell. Proceedings of the Third European Fuel Cell Technology & Applications Conference : Presented at 3rd European Fuel Cell Technology and Applications Conference, December 15 - 18, 2009, Rome, Italy.
Schumacher, J., & Safa, Y. (2009, March). Numerical simulation of transport phenomena in PEM fuel cells. Algoritmy 2009 - Conference on Scientific Computing, Podbanske, Slovakia, 15-20 March 2009.
Schmitz, A., Ziegler, C., Schumacher, J., & Tranitz, M. (2006, September). Modelling air-breathing PEMFC and validation by experimental characterisations. Fuel Cell Science and Technology Conference, Turin, Italy, 13-14 September 2006.
Steinkamp, K., Haasdonk, B., Ohlberger, M., Schumacher, J., & Ziegler, C. (2006, September). A multidimensional dynamic model for simulation of PEM fuel cells. Fuel Cell Science and Technology Conference, Turin, Italy, 13-14 September 2006.
Philipps, S., Ziegler, C., Niemeyer, J., & Schumacher, J. (2006, September). Modeling and identification of a PEM fuel cell stack. Fuel Cell Science and Technology Conference, Turin, Italy, 13-14 September 2006.

Forschungsdaten

Vetter, Roman; Schumacher, Jürgen O., 2018. Free open reference implementation of a two-phase PEM fuel cell model. Mendeley Data. Verfügbar unter: https://doi.org/10.17632/2msdd4j84c.1

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