Prof. Dr. Jürgen Schumacher

Prof. Dr. Jürgen Schumacher

Prof. Dr. Jürgen Schumacher
ZHAW School of Engineering
Wildbachstrasse 21
8400 Winterthur

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

Persönliches Profil

Tätigkeit an der ZHAW als

Lecturer and team leader at the Zurich University of Applied Sciences (ZHAW), School of Engineering, Institute of Computational Physics in Winterthur, Switzerland.

https://www.zhaw.ch/de/engineering/institute-zentren/icp/elektrochemische-zellen-und-energiesysteme/

Arbeits- und Forschungsschwerpunkte, Spezialkenntnisse

• Proton exchange membrane fuel cells
• Photoelectrochemical cells for water splitting (hydrogen production)
• Photovoltaics
• Multiphysics modelling and simulation

Aus- und Fortbildung

2000: Doctoral degree in Physics (Dr. rer. Nat.), University of Konstanz, Germany.

1998: Foreign exchange scholarship at the Photovoltaics Special Research Centre, University of New South Wales in Sydney, Australia.

1995-2000: Doctoral studies at the Fraunhofer Institute for Solar Energy Systems in Freiburg, Germany. Thesis title: Numerical simulation of silicon solar cells with novel cell structures.

1995: Final oral examination in experimental/theoretical physics and mathematics for the course of studies: Diplom Physik

1993-1994: Diploma thesis, Fraunhofer Institute for Solar Energy Systems, Freiburg, Germany. Thesis title: Characterisation of textured silicon solar cells.

1991-1995: Albert-Ludwigs-University in Freiburg, Department of Physics. Areas of Study: Stochastical Mathematics, Stochastical Dynamical Systems, Solid State Physics, Statistical Physics and Theoretical Thermodynamics, Semiconductor Physics, Thermal Energy Conversion.

1989-1991: Physics studies at Johann-Wolfgang-Goethe-University in Frankfurt/Main.

Beruflicher Werdegang

Since 2011: Professor ZFH, team leader

2006-2010: Senior Scientist, ZHAW, Institute of Computational Physics

2004-2005: Team leader “Fuel Cell Simulation” at the Fraunhofer Institute for Solar Energy Systems (ISE) in Freiburg/Germany
Research topics and industry projects: development of a fuel cell system for the power supply of laptops for Gillette, development of a dynamic two-phase model of PEM fuel cells, the characterisation of membrane electrode assemblies, and the development of a fuel cell system for the power supply of an autonomous robot.
Research network coordinator: Model-based design of fuel cells and fuel cell systems.

2001-2003: Project Leader, Fraunhofer Institute for Solar Energy Systems (ISE)
Research on portable fuel cells for the power supply of electronic devices. Modelling and simulation of proton exchange membrane fuel cells. Development of diagnostic methods to monitor and analyse fuel cell stacks.
Project funding by “Fraunhofer Wirtschaftsorientierte Strategische Allianz (WISA)”, and “Forschungsallianz Brennstoffzellen Baden-Württemberg (FABZ)”.

Mitglied in Netzwerken

Projekte

Projektleitung

Mitarbeit an folgenden Projekten

Publikationen

Monographien und Herausgeberschaften

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Photoconversion of Solar Energy, edited by M. Archer,

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London: Imperial College Press.

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Numerical simulation of silicon solar cells with novel cell structures

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Dissertation. Konstanz: ,.

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Charakterisierung texturierter Silicium-Solarzellen

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Freiburg, Deutschland: ,.

Beiträge, peer-reviewed

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An ensemble Monte Carlo simulation study of water distribution in porous gas diffusion layers for proton exchange membrane fuel cells

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Journal of Electrochemical Energy Conversion and Storage, submitted Peer reviewed.

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Modelling the Effects of using Gas Diffusion Layers with Patterned Wettability for Advanced Water Management in Proton Exchange Membrane Fuel Cells

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Journal of Electrochemical Energy Conversion and Storage, submitted Peer reviewed.

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Calculation of the Energy Band Diagram of a Photoelectrochemical Water Splitting Cell

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J. Phys. Chem. C, 118, 51. 29599-29607. Peer reviewed.

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2+1D modelling of a polymer electrolyte fuel cell with glassy-carbon micro-structures

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Mathematical and Computer Modelling of Dynamical Systems 1-23. Peer reviewed.

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Coupled Optical and Electronic Modeling of Dye-Sensitized Solar Cells for Steady-State Parameter Extraction

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The Journal of Physical Chemistry C, 115 10218-10229. Peer reviewed.

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A non-isothermal PEM fuel cell model including two water transport mechanisms in the membrane

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Special issue of the Journal of Fuel Cell Science and Technology, 1 (5/2008). Peer reviewed.

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AC impedance modelling study on porous electrodes of proton exchange membrane fuel cells using an agglomerate model

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Journal of Power Sources, 1 (173/2007). 346. Peer reviewed.

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Analysis of membrane electrode assembly by environmental scanning electrode microscopy

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Journal of Power Sources, 145 (2005). 216. Peer reviewed.

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Two phase dynamic modeling of the PEMFC and simulation of cyclovoltammograms

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Journal of the Electrochemical Society, 8 (152/2005). A1555. Peer reviewed.

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Characterising PEM fuel cell performance using current distribution measurement in comparison with a CFD model

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Fuel Cells, 3 (4/2004). 185. Peer reviewed.

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Control of miniature proton exchange fuel cells based on fuzzy logic

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Journal of Power Sources, 2 (192/2004). 143. Peer reviewed.

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Modeling planar and self-breathing fuel cells for use in electronic devices

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Journal of the Electrochemical Society, 12 (151/2004). A2028. Peer reviewed.

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Modelling Approach for Planar Self-Breathing PEMFC and Comparison with Experimental Results

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Fuel Cells, 4 (4/2004). 358. Peer reviewed.

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Analysis of one-sun monocrystalline rear-contacted silicon solar cells with efficiencies of 22.1%

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Journal of Applied Physics, 7 (91/2002). 4335. Peer reviewed.

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Numerical modeling of highly doped Si:P emitters based on Fermi-Dirac statistics and self-consistent material parameters

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Journal of Applied Physics, 6 (92/2002). 3187. Peer reviewed.

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Application of an improved band gap narrowing model to the numerical simulation of recombination properties of phosphorus doped silicon emitters

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Solar Energy Materials and Solar Cells, (65/2001). 95. Peer reviewed.

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Halbleitersimulation von Solarzellen

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Design und Elektronik, 3/1998. 57. Peer reviewed.

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Solar cells with mesh-structured emitter

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Progress in Photovoltaics: Research and Applications, 6 (4/1996). 415. Peer reviewed.

Beiträge, nicht peer-reviewed

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Simulation of photoelectrode impedance : extraction of water oxidation rate and recombination lifetime

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In: International Conference on Advances in Semiconductors and Catalysts for Photoelectrochemical Fuel Production . Berlin: Germany.

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Simulation-based optimization of patterned GDL for Water Management in PEFC

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In: MODVAL 13 Symposium for fuel cell and battery modeling and experimental validation. LAUSANNE, SWITZERLAND: EPFL.

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Spectroscopic modeling of photoelectrochemical water splitting

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In: COMSOL Conference 2016. Munich: Germany.

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Numerical simulation of liquid water saturation in cathode side gas diffusion layers of PEFCs

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In: 12th Symposium on Fuel Cell and Battery Modelling and Experimental Validation – ModVal 12. Freiburg: Fraunhofer ISE .

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Optoelectronic Modeling of Hematite Photoelectrodes

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In: Solar Fuel Conference : Light-driven water splitting using semiconductor devices. Mallorca: SEFIN.

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Optoelectronic Modeling of Hematite Photoelectrodes

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In: 1st International Solar Fuel Conference. Uppsala: Sweden.

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Optoelectronic Modeling of Hematite Photoelectrodes

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In: 12th Symposium on Modeling and Experimental Validation of Fuel Cells and Batteries. Freiburg: Germany.

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Parameterisation of macrohomogeneous models of proton exchange membrane fuel cells

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In: Symposium on Fuel Cell and Battery Modelling and Experimental Validation. Freiburg: ModVal 12.

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Voxel-based modelling of water distribution in PEFC porous media

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12th Symposium on Fuel Cell and Battery Modelling - ModVal 12. Freiburg, Fraunhofer ISE.

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A multi dimension approach for fast analysis of Polymer Electrolyte Membrane Fuel Cells

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EHEC 2014 - The European Hydrogen Energy Conference, Proceedings 774-777.

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A multi-dimensional model to analyze large-area PEM fuel cells

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11th Symposium on Fuel Cell and Battery Modeling and Experimental Validation, Book of abstracts 60.

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Modeling of Optical and Electrical Losses in Photoelectrochemical Cells

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In: International Conference on Photochemical Conversion and Storage of Solar Energy. Book of abstracts. Berlin: IPS.

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Hierarchical Modeling of Polymer Electrolyte Membrane Fuel Cells

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Proceedings of the Comsol Conference, Rotterdam

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Numerical Modeling of Photoelectrochemical Cells for Water Splitting

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In: Proceedings of the E-MRS Spring Meeting. Strasbourg: Proceedings of the E-MRS Spring Meeting.

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Modeling two-phase flow in the gas diffusion layer of a proton exchange membrane fuel cell

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In: 7th Symposium on fuel cell modeling and experimental validation, Morges, Switzerland, 23-24 March 2010. Morges: Switzerland.

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Time-dependent coupled optical and electric modeling of dye-sensitized solar cells

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In: Sophie Wenger (Hg.). Hybrid and Organic Photovoltaics Conference HOPV 2010. Assisi, Italy: -.

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Understanding charge transport and recombination in dye-sensitized solar cells using an experimentally validated coupled optical and electrical model

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In: 2010 MRS Spring Meeting. San Francisco, USA: ,.

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Model-based optical and electrical characterization of dye-sensitized solar cells

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,, 21-25 September 2009.

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Numerical Modeling of the Two-Phase transport in a PEM Fuel Cell

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In: European Fuel Cell Technology & Applications Piero Lunghi Conference EFC09. Rome, Italy: ,.

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Computationally efficient simulation of polymer electrolyte fuel cells and stacks

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In: Comsol AB (Hg.). Comsol Conference. Grenoble: ,.

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A multidimensional dynamic model for simulation of PEM fuel cells

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In: Fuel Cell Science and Technology Conference, Turin, Italy, 13-14 September 2006. Turin: ,.

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Modeling and Identification of a PEM Fuel Cell Stack

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In: Fuel Cell Science and Technology Conference, Turin, Italy. Turin: ,.

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Modelling air-breathing PEMFC and validation by experimental characterisations

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In: Fuel Cell Science and Technology Conference, Turin, Italy, 13-14 September 2006. Turin: ,.

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A dynamic PEM-fuel cell stack model for system simulation

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Lucerne Fuel Cell Forum, 4 - 8 July 2005.

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A model for planar self-breathing proton exchange membrane fuel cells in FEMLAB

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In: Proceedings of the Comsol Multiphysics User`s Conference, Frankfurt a.M., 2005. Frankfurt: Comsol AB.

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Model-based analysis of the current interrupt technique for the characterisation of porous gas diffusion electrodes in PEM fuel cells

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Lucerne Fuel Cell Forum, 4 - 8 July 2005.

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A dynamic two-phase flow model of proton exchange membrane fuel cells

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Proceedings of the European Fuel Cell Forum 2004, 2004. 283.

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Characterising PEM fuel cell performance using current distribution measurement in comparison with a CFD model

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In: . (209). Lucerne/Switzerland: ,.

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Investigation of the cathode active layer of PEM fuel cells using AC impedance spectroscopy", Proceedings of the European Fuel Cell Forum 2004

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In: . (271). Lucerne/Switzerland: ,.

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Modeling of the planar self-breathing PEMFC

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Proceedings of the European Fuel Cell Forum 2004, 2004. 297.

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PEM fuel cells for the power supply of electronic appliances

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Proceedings of the European Fuel Cell Forum 2004, 2004. 143.

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Influence of the microstructure of the catalyst layer on the performance of the PEMFC cathode

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Proceedings of the 2003 Nanotechnology Conference and Trade Show, 2003. 478.

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Analysis of rear contacted solar cell structures for cost-effective processes and materials

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Proceedings of the 28th IEEE Photovoltaic Specialists Conference, 2000. 387.

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Numerical analysis of crystalline silicon thin film solar cells on perforated SiO2 barrier layers

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Proceedings of the 16th European Photovoltaic Solar Energy Conference, 2000. 1459.

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The extraction of the surface recombination velocity of Si:P emitters using advanced silicon models

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Proceedings of the 16th European Photovoltaic Solar Energy Conference, 2000. 102.

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Application of an improved band gap narrowing model to the numerical simulation of recombination properties of phosphorus doped silicon emitters

.

Proceedings of the 11th International Photovoltaic Science and Engineering Conference, 1999. 291.

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Light confinement and influence of electrical parameters on thin silicon solar cells

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Proceedings of the 13th European Photovoltaic Solar Energy Conference, 1995. 465.

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Quantum efficiency analysis of high efficiency solar cells with textured surfaces

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Proceedings of the 13th European Photovoltaic Solar Energy Conference, 1995. 96.

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LPE-GaAs and LBSF-Si solar cells for tandem concentrator application

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Proceedings of the 1st World Conference on Photovoltaic Energy Conversion, 1994. 1902.