Prof. Dr. Thomas Hocker

Personal profile

Position at the ZHAW

Senior Lecturer in Modelling and Simulation, , youtu.be/6Can7rLUBZc

www.zhaw.ch/icp

Educational background

Dipl. Ing. in Chemical Engineering TU-Berlin (Germany)
Ph.D. in Chemical Engineering Johns Hopkins University, Baltimore (USA)

Projects

• Ceramic air heaters for extreme process temperatures / Team member / Project ongoing
• Enhanced blood flow and pressure measurements with PhysioCath-microcatheter for reliable diagnosis of 'Ischemia with Non-Obstructive Coronary Artery' (INOCA) / Project leader / Project ongoing
• FCHgo! / Team member / Project completed
• Versatile oxide fuel cell microstructures employing WGS active titanate anode current collectors compatible to ferritic stainless steel interconnects (VOLTA) / Project co-leader / Project completed
• Development of series-production readiness of new full ceramic high temperature heating elements for hot air generation / Project co-leader / Project completed
• Developement of new heating elements for hot air blowers / Project co-leader / Project completed
• NRP70 - CO2 Reduction & Reuse / Deputy project leader / Project completed
• Relationships between 3D topology and reaction kinetics in mixed conducting electrodes for solid oxide fuel cells / Team member / Project completed
• Enhancing the Lifetime of Solid Oxide Fuel Cell stacks in Switzerland / Project leader / Project completed

Publications

• Marmet, Philip; Holzer, Lorenz; Hocker, Thomas; Boiger, Gernot K.; Bausinger, Holger; Mai, Andreas; Fingerle, Mathias; Reeb, Sarah; Michel, Dominik; Brader, Joseph M.,

  2023.

  Standardized microstructure characterization of SOC electrodes as a key element for Digital Materials Design.

  Energy Advances.

  2(7), pp. 980-1013.

  Available from: https://doi.org/10.1039/D3YA00132F

• Wick-Joliat, René; Mauchle, Stéphane; Kontic, Roman; Ehrat, Sandro; Hocker, Thomas; Penner, Dirk,

  2021.

  MoSi2/Al2O3/feldspar composites for injection‐molded ceramic heating elements.

  Advanced Engineering Materials.

  23(9), pp. 2100517.

  Available from: https://doi.org/10.1002/adem.202100517

• Marmet, Philip; Holzer, Lorenz; Grolig, Jan G.; Bausinger, Holger; Mai, Andreas; Brader, Joseph M.; Hocker, Thomas,

  2021.

  Modeling the impedance response and steady state behaviour of porous CGO-based MIEC anodes.

  Physical Chemistry Chemical Physics.

  23(40), pp. 23042-23074.

  Available from: https://doi.org/10.1039/D1CP01962G

• Meier, Christoph; Meier, Daniel; Vandercruysse, Felix; Hocker, Thomas,

  2018.

  Lagrangian model using CFD flow data to predict the current-voltage characteristics of a solid oxide fuel cell repeat unit.

  The International Journal of Multiphysics.

  12(4), pp. 393-411.

  Available from: https://doi.org/10.21152/1750-9548.12.4.393

• Pecho, Omar M.; Stenzel, Ole; Iwanschitz, Boris; Gasser, Philippe; Neumann, Matthias; Schmidt, Volker; Prestat, Michel; Hocker, Thomas; Flatt, Robert J.; Holzer, Lorenz,

  2015.

  3D microstructure effects in Ni-YSZ anodes : prediction of effective transport properties and optimization of redox stability.

  Materials.

  8(9), pp. 5554-5585.

  Available from: https://doi.org/10.3390/ma8095265

• Linder, Markus; Hocker, Thomas; Meier, Christoph; Holzer, Lorenz; Friedrich, Andreas; Iwanschitz, Boris; Mai, Andreas; Schuler, Andreas J.,

  2015.

  A model-based approach for current voltage analyses to quantify degradation and fuel distribution in solid oxide fuel cell stacks.

  Journal of Power Sources.

  288, pp. 409-418.

  Available from: https://doi.org/10.1016/j.jpowsour.2015.04.136

• Safa, Yasser; Hocker, Thomas,

  2015.

  A validated energy approach for the post-buckling design of micro-fabricated thin film devices.

  Applied Mathematical Modelling.

  39(2), pp. 483-499.

  Available from: https://doi.org/10.1016/j.apm.2014.05.038

• Pecho, Omar; Holzer, Lorenz; Yáng, Zhèn; Martynczuk, Julia; Hocker, Thomas; Flatt, Robert J.; Prestat, Michel,

  2015.

  Influence of strontium-rich pore-filling phase on the performance of La0.6Sr0.4CoO3−δ thin-film cathodes.

  Journal of Power Sources.

  274, pp. 295-303.

  Available from: https://doi.org/10.1016/j.jpowsour.2014.10.060

• Pecho, Omar M.; Mai, Andreas; Münch, Beat; Hocker, Thomas; Flatt, Robert J.; Holzer, Lorenz,

  2015.

  3D microstructure effects in Ni-YSZ anodes : influence of TPB lengths on the electrochemical performance.

  Materials.

  8(10), pp. 7129-7144.

  Available from: https://doi.org/10.3390/ma8105370

• Linder, Markus; Hocker, Thomas; Holzer, Lorenz; Pecho, Omar; Friedrich, Andreas; Morawietz, Thomas; Hiesgen, Renate; Kontic, Roman; Iwanschitz, Boris; Mai, Andreas; Schuler, Andreas,

  2015.

  Ohmic resistance of nickel infiltrated chromium oxide scales in solid oxide fuel cell metallic interconnects.

  Solid State Ionics.

  283, pp. 38-51.

  Available from: https://doi.org/10.1016/j.ssi.2015.11.003

• Safa, Yasser; Hocker, Thomas; Prestat, Michel; Evans, Anna,

  2014.

  Post-buckling design of thin-film electrolytes in micro-solid oxide fuel cells.

  Journal of Power Sources.

  250, pp. 332-342.

  Available from: https://doi.org/10.1016/j.jpowsour.2013.10.125

• Gaiselmann, Gerd; Neumann, Matthias; Schmidt, Volker; Pecho, Omar; Hocker, Thomas; Holzer, Lorenz,

  2014.

  Quantitative relationships between microstructure and effective transport properties based on virtual materials testing.

  AIChE Journal.

  60(6), pp. 1983-1999.

  Available from: https://doi.org/10.1002/aic.14416

• Linder, Markus; Hocker, Thomas; Holzer, Lorenz; Friedrich, K. Andreas; Iwanschitz, Boris; Mai, Andreas; Schuler, J. Andreas,

  2014.

  Model-based prediction of the ohmic resistance of metallic interconnects from oxide scale growth based on scanning electron microscopy.

  Journal of Power Sources.

  272, pp. 595-605.

  Available from: https://doi.org/10.1016/j.jpowsour.2014.08.098

• Linder, Markus; Hocker, Thomas; Holzer, Lorenz; Friedrich, K. Andreas; Iwanschitz, Boris; Mai, Andreas; Schuler, J. Andreas,

  2013.

  Cr2O3 scale growth rates on metallic interconnectors derived from 40,000 h solid oxide fuel cell stack operation.

  Journal of Power Sources.

  243, pp. 508-518.

  Available from: https://doi.org/10.1016/j.jpowsour.2013.05.200

• Gaiselmann, Gerd; Neumann, Matthias; Holzer, Lorenz; Hocker, Thomas; Prestat, Michel René; Schmidt, Volker,

  2013.

  Stochastic 3D modeling of La0.6Sr0.4CoO3−δ cathodes based on structural segmentation of FIB–SEM images.

  Computational Materials Science.

  67, pp. 48-62.

  Available from: https://doi.org/10.1016/j.commatsci.2012.08.030

• Holzer, Lorenz; Iwanschitz, Boris; Hocker, Thomas; Keller, Lukas; Pecho, Omar; Sartoris, Guido; Gasser, Philippe; Muench, Beat,

  2013.

  Redox cycling of Ni-YSZ anodes for solid oxide fuel cells: influence of tortuosity, constriction and percolation factors on the effective transport properties.

  Journal of Power Sources.

  242, pp. 179-194.

  Available from: https://doi.org/10.1016/j.jpowsour.2013.05.047

• Nakajo, Arata; Kuebler, Jakob; Faes, Antonin; Vogt, Ulrich F.; Schindler, Hans Jürgen; Chiang, Lieh-Kwang; Modena, Stefano; Van herle, Jan; Hocker, Thomas,

  2012.

  Compilation of mechanical properties for the structural analysis of solid oxide fuel cell stacks : constitutive materials of anode-supported cells.

  Ceramics International.

  38(5), pp. 3907-3927.

  Available from: https://doi.org/10.1016/j.ceramint.2012.01.043

• Meier, Christoph; Hocker, Thomas; Bieberle-Hütter, Anja; Gauckler, Ludwig J.,

  2012.

  Analyzing a micro-solid oxide fuel cell system by global energy balances.

  International Journal of Hydrogen Energy.

  37(13), pp. 10318-10327.

  Available from: https://doi.org/10.1016/j.ijhydene.2012.04.009

• Evans, Anna; Prestat, Michel; Tölke, R.; Schlupp, M. V. F.; Gauckler, L. J.; Safa, Yasser; Hocker, Thomas; Courbat, J.; Briand, D.; de Rooij, N. F.; Courty, D.,

  2012.

  Residual stress and buckling patterns of free-standing yttria-stabilized-zirconia membranes fabricated by pulsed laser deposition.

  Fuel Cells.

  12(4), pp. 614-623.

  Available from: https://doi.org/10.1002/fuce.201200028

• Holzer, Lorenz; Münch, Beat; Iwanschitz, Boris; Cantoni, Marco; Hocker, Thomas; Graule, Thomas,

  2011.

  Quantitative relationships between composition, particle size, triple phase boundary length and surface area in nickel-cermet anodes for solid oxide fuel cells.

  Journal of Power Sources.

  196(17), pp. 7076-7089.

  Available from: https://doi.org/10.1016/j.jpowsour.2010.08.006

• Holzer, Lorenz; Iwanschitz, Boris; Hocker, Thomas; Münch, Beat; Prestat, Michel; Wiedenmann, Daniel; Vogt, Uli; Holtappels, Peter; Sfeir, Josef; Mai, Andreas; Graule, Thomas,

  2011.

  Microstructure degradation of cermet anodes for solid oxide fuel cells : quantification of nickel grain growth in dry and in humid atmospheres.

  Journal of Power Sources.

  196(3), pp. 1279-1294.

  Available from: https://doi.org/10.1016/j.jpowsour.2010.08.017

• Kuebler, Jakob; Vogt, Uli F.; Haberstock, D.; Sfeir, J.; Mai, Andreas; Hocker, Thomas; Roos, Markus; Harnisch, Urs,

  2010.

  Simulation and validation of thermo-mechanical stresses in planar SOFCs.

  Fuel Cells.

  10(6), pp. 1066-1073.

  Available from: https://doi.org/10.1002/fuce.201000040

• Bieberle-Hütter, Anja; Beckel, Daniel; Infortuna, Anna; Muecke, Ulrich P.; Rupp, Jennifer L. M.; Gauckler, Ludwig J.; Rey-Mermet, Samuel; Muralt, Paul; Bieri, Nicole R.; Hotz, Nico; Stutz, Michael J.; Poulikakos, Dimos; Heeb, Peter; Müller, Patrik; Bernard, André; Gmür, Roman; Hocker, Thomas,

  2008.

  A micro-solid oxide fuel cell system as battery replacement.

  Journal of Power Sources.

  177(1), pp. 123-130.

  Available from: https://doi.org/10.1016/j.jpowsour.2007.10.092

• Gmür, Roman; Goschnick, Joachim; Hocker, Thomas; Schwarzenbach, Hansueli; Sommer, Martin,

  2007.

  Impact of sensor packaging on analytical performance and power consumption of metal oxide based gas sensor microarrays.

  Sensors and Actuators B: Chemical.

  127(1), pp. 107-111.

  Available from: https://doi.org/10.1016/j.snb.2007.07.139

• Worlitschek, Jörg; Hocker, Thomas; Mazzotti, Marco,

  2005.

  Restoration of PSD from chord length distribution data using the method of projections onto convex sets.

  Particle & Particle Systems Characterization.

  22(2), pp. 81-98.

  Available from: https://doi.org/10.1002/ppsc.200400872

• Roos, Markus; Batawi, Emad; Harnisch, Urs; Hocker, Thomas,

  2003.

  Efficient simulation of fuel cell stacks with the volume averaging method.

  Journal of Power Sources.

  118(1–2), pp. 86-95.

  Available from: https://doi.org/10.1016/S0378-7753(03)00066-1

• Hocker, Thomas; Rajendran, Arvind; Mazzotti, Marco,

  2003.

  Measuring and modeling supercritical adsorption in porous solids : carbon dioxide on 13X zeolite and on silica gel.

  Langmuir.

  19(4), pp. 1254-1267.

  Available from: https://doi.org/10.1021/la0266379

• Rajendran, Arvind; Hocker, Thomas; Di Giovanni, Orazio; Mazzotti, Marco,

  2002.

  Experimental observation of critical depletion : nitrous oxide adsorption on silica gel.

  Langmuir.

  18(25), pp. 9726-9734.

  Available from: https://doi.org/10.1021/la025696j

• Hocker, Thomas; Donohue, Marc D.,

  2001.

  A simple model for solute partitioning and adsorption.

  Journal of Colloid and Interface Science.

  244(1), pp. 9-17.

  Available from: https://doi.org/10.1006/jcis.2001.7914

• Hocker, Thomas; Aranovich, Grigoriy L.; Donohue, Marc D.,

  2001.

  Adsorption-energy distribution of heterogeneous surfaces predicted by projections onto convex sets.

  Journal of Colloid and Interface Science.

  238(1), pp. 167-176.

  Available from: https://doi.org/10.1006/jcis.2001.7496

• Hocker, Thomas; Aranovich, G. L.; Donohue, M. D.,

  1999.

  Monolayer adsorption for the subcritical lattice gas and partially miscible binary mixtures.

  Journal of Colloid and Interface Science.

  211(1), pp. 61-80.

  Available from: https://doi.org/10.1006/jcis.1998.5971

• Hocker, Thomas; Aranovich, G. L.; Donohue, M. D.,

  1999.

  Monolayer adsorption of nonrandom mixtures.

  The Journal of Chemical Physics.

  111(3), pp. 1240-1254.

  Available from: https://doi.org/10.1063/1.479309

• Aranovich, G. L.; Hocker, Thomas; Wu, D. W.; Donohue, M. D.,

  1997.

  Nonrandom behavior in multicomponent lattice mixtures : effects of solute size and shape.

  The Journal of Chemical Physics.

  106(24), pp. 10282-10291.

  Available from: https://doi.org/10.1063/1.474065

• Marmet, Philip; Hocker, Thomas; Boiger, Gernot K.; Grolig, Jan G.; Bausinger, Holger; Mai, Andreas; Fingerle, Mathias; Reeb, Sarah; Brader, Joseph M.; Holzer, Lorenz,

  2022.

  Composite conductivity of MIEC-based SOFC anodes : implications for microstructure optimization [paper].

  In:

  15th European SOFC & SOE Forum 2022, Lucerne, Switzerland, 5-8 July 2022.

  Winterthur:

  ZHAW Zürcher Hochschule für Angewandte Wissenschaften.

  Available from: https://doi.org/10.21256/zhaw-26055

• Marmet, Philip; Hocker, Thomas; Grolig, Jan G.; Bausinger, Holger; Mai, Andreas; Brader, Joseph M.; Holzer, Lorenz,

  2020.

  Towards model-based optimization of CGO/Ni anodes [paper].

  In:

  14th European SOFC & SOE Forum, Lucerne, Switzerland (online), 20-23 October 2020.

  Zenodo.

  Available from: https://doi.org/10.5281/zenodo.4556898

• Knaack, Reto; Wickert, Jo; Volz, Dominik; Münchbach, Niklas; Eich, Walter; Hug, Peter; Hocker, Thomas,

  2019.

  Einsatz von "Virtual Reality" in der Ausbildung von Ingenieurinnen und Ingenieuren [paper].

  In:

  Meissner, Barbara; Walter, Claudia; Zinger, Benjamin; Haubner, Julia; Waldherr, Franz, eds.,

  Tagungsband zum 4. Symposium zur Hochschullehre in den MINT-Fächern.

  4. Symposium zur Hochschullehre in den MINT-Fächern, Nürnberg, 26.-27. September 2019.

  Nürnberg:

  Technische Hochschule Nürnberg.

  pp. 176-183.

  Available from: https://www.didaktikzentrum.de/images/cwattachments/491_f1d8d1209f6ebde9058713d97ebf9d29.pdf

• Evans, Anna; Prestat, Michel; Tölke, René; Gauckler, Ludwig J.; Hocker, Thomas; Safa, Yasser; Briand, Danick; Courbat, Jérôme; De Rooij, Nico,

  2012.

  Residual stress and buckling patterns of yttria-stabilised-zirconia thin films for micro-solid oxide fuel cell membranes [paper].

  In:

  Mogensen, M. B.; Armstrong, T.; Gür, T. M.; Yokokawa, H.; Zhou, X.-D., eds.,

  Ionic and mixed conducting ceramics.

  221st ECS Meeting, Seattle, Washington, 6-10 May 2012.

  Pennington:

  The Electrochemical Society.

  pp. 475-479.

  ECS Transactions ; 45, 1.

  Available from: https://doi.org/10.1149/1.3701338

• Linder, Markus; Hocker, Thomas; Denzler, Roland; Mai, Andreas; Iwanschitz, Boris,

  2011.

  Automated, model-based analysis of Uj-data for electrolyte-supported SOFC short-stacks [paper].

  In:

  7th Symposium on Fuel Cell Modeling and Experimental Validation, Morges, 23-24 March 2010.

  Wiley.

  pp. 573-580.

  Available from: https://doi.org/10.1002/fuce.201000132

• Safa, Yasser; Hocker, Thomas,

  2009.

  Numerical simulation of reactive transport phenomena in the hexis SOFC-system [paper].

  In:

  Singhal, S. C.; Yokokawa, H., eds.,

  Solid Oxide Fuel Cells 11 (SOFC-XI).

  11th International Symposium on Solid Oxide Fuel Cells (SOFC-XI), Vienna, Austria, 4-9 October 2009.

  Pennington:

  pp. 1221-1230.

  ECS Transactions ; 25, 2.

  Available from: https://doi.org/10.1149/1.3205651

• Hocker, Thomas; Heinzelmann, Elsbeth,

  2004.

  FE-Modellierung von Brennstoffzellen.

  Technische Rundschau.

  2004(5), pp. 22.

• Hocker, Thomas; Sartoris, Guido; Ruhstaller, Beat; Haller, Thomas; Schwarzenbach, Hansueli,

  2003.

  Mikro- und Nanotechnologie am Center for Computational Physics.

  ZHWInfo.

  17.

• Di Giovanni, Orazio; Hocker, Thomas; Rajendran, Arvind; Dörfler, Werner; Mazzotti, Marco; Morbidelli, Massimo,

  2002.

  Measuring and describing adsorption under supercritical conditions [paper].

  In:

  Kaneko, Katsumi; Kanoh, Hirofumi; Hanzawa, Yohko; International Adsorption Society, eds.,

  Fundamentals of Adsorption 7 : Proceedings of the 7th International Conference on Fundamentals of Asorption, Nagasaki, 20–25 May, 2001.

  7th International Conference on Fundamentals of Adsorption (FOA7), Nagasaki, Japan, 20-25 May 2001.

  Chiba:

  IK International.

  pp. 672-679.

• Hocker, Thomas; Aranovich, Gregory L.; Donohue, Marc D.,

  1997.

  Energy and entropy of mixing for a nonrandom mixture of monomers

  .

  In:

  Stuchtrup, Henning, ed.,

  Facetten der Thermodynamik : Festschrift zum 60. Geburtstag von Professor Ingo Müller.

  Berlin:

  Technische Universität Berlin.

• Marmet, Philip; Holzer, Lorenz; Hocker, Thomas; Boiger, Gernot Kurt; Hilden, Janine; Reeb, Sarah; Fingerle, Mathias,

  2021.

  Generation of virtual three-phase structures based on Gaussian random fields : an important option for Digital Materials Design of solid oxide fuel cell electrodes.

  In:

  GeoDict User Meeting 2021 Book of Abstracts.

  10. GeoDict User Meeting, online, 4.-8. Oktober 2021.

  Kaiserslautern:

  Math2Market.

  pp. 22.

  Available from: https://youtu.be/AIROVKq5yoc

• Marmet, Philip; Holzer, Lorenz; Grolig, Jan G.; Mai, Andreas; Brader, Joseph M.; Hocker, Thomas,

  2021.

  Comprehensive model for CGO based anodes.

  In:

  17th Symposium on Modeling and Experimental Validation of Fuel Cells, Electrolysers and Batteries (ModVal), online, 20-22 April 2021.

• Safa, Yasser; Hocker, Thomas,

  2016.

  Developed numerical approach of the melt-crystals phase-changing kinetics in solidification process.

  In:

  11th International Conference of Multiphysics, Winterthur, 8-9 December 2016.

• Hocker, Thomas; Safa, Yasser; Meier, Daniel Christoph,

  2016.

  Kontrolliertes Kühlen von Kakaobutter und Modellierung der Kristallisation von Kakaobutter.

  In:

  Choco Tec 2016 - der Schokoladenkongress des Jahres, Köln, Deutschland, 6-8 December 2016.

• Safa, Yasser; Hocker, Thomas,

  2012.

  A validated model of membrane mechanics for micro SOFC.

  In:

  9th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 9), Sursee, 2.-4. April 2012.

• Prestat, Michel René; Evans, A.; Tölke, R.; Schlupp, M. V. F.; Scherrer, B.; Yáng, Z.; Martynczuk, J.; Pecho, Omar; Ma, H.; Laffranchini, S.; Bieberle-Hütter, A.; Gauckler, L. J.; Safa, Yasser; Hocker, Thomas; Muralt, P.; Yan, Y.; Courbat, J.; Briand, D.; de Rooij, N. F.,

  2012.

  Miniaturized free-standing SOFC membranes on silicon chips (A0704).

  In:

  10th European SOFC Forum 2012, Lucerne, Switzerland, 26–29 June 2012.

• Safa, Yasser; Hocker, Thomas,

  2011.

  A new model for detailed simulation of multiple transport and conversion processes in SOFC stack repeat units.

  In:

  8th Symposium on Fuel Cell Modeling and Experimental Validation (ModVal8), Bonn, Germany, 8-9 March 2011.

• Hocker, Thomas; Niffenegger, M.; Safa, Yasser; Chahine, E.,

  2011.

  Buckling-driven crack growth in elastic plate devices.

  In:

  21. Symposium Simulationstechnik (ASIM 2011), Winterthur, Schweiz, 7.–9. September 2011.

Patents and patent applications

• Boiger, Gernot Kurt; Boldrini, Marlon; Gorbar, Michal; de Hazan, Yoram; Hocker, Thomas; Horat-Fässler, Pascal; Mauchle, Stéphane; Penner, Dirk; von Wyl, Bruno,

  2019.

  Keramischer Heizwiderstand, elektrisches Heizelement sowie Vorrichtung zur Erwärmung eines Fluides.

  Patent number WO2019185291 A1

  (2019-10-03)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DWO2019185291A1

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