Prof. Dr. Thomas Hocker

Projekte

• Digital Wolfram Next / Co-Projektleiter:in / laufend
• Exploring Ice Adhesion: Integrating Multiphysics Modelling with Advanced Experimental Techniques / Projektleiter:in / abgeschlossen
• Keramische Lufterhitzer für extreme Prozesstemperaturen / Teammitglied / abgeschlossen
• Verbesserte Messungen von Blutgeschwindigkeiten und Blutdruck mit dem PhysioCath Katheter / Projektleiter:in / abgeschlossen
• Fuel Cells HydroGen educatiOnal model for schools / Teammitglied / abgeschlossen
• Versatile oxide fuel cell microstructures employing WGS active titanate anode current collectors compatible to ferritic stainless steel interconnects / Co-Projektleiter:in / abgeschlossen
• Entwicklung der Serienreife von neuartigen vollkeramischen Hochtemperatur-Heizelementen zur Heisslufterzeugung / Co-Projektleiter:in / abgeschlossen
• Entwicklung neuer Heizelemente für Heissluftgebläse / Co-Projektleiter:in / abgeschlossen
• CO2 Reduction & Reuse / Stellv. Projektleiter:in / abgeschlossen
• Relationships between 3D topology and reaction kinetics in mixed conducting electrodes for solid oxide fuel cells / Teammitglied / abgeschlossen
• Enhancing the Lifetime of Solid Oxide Fuel Cell stacks in Switzerland / Projektleiter:in / abgeschlossen

Publikationen

Beiträge in wissenschaftlicher Zeitschrift, peer-reviewed

• Marmet, P. et al. (2024) 'Effective transport properties of porous composites applied to MIEC SOC electrodes', Energy Advances, 3(8), pp. 2013–2034. doi: 10.1039/d4ya00074a.
• Marmet, P. et al. (2024) 'Multiscale-multiphysics model for optimization of novel ceramic MIEC solid oxide fuel cell electrodes', The International Journal of Multiphysics, 18(2s), pp. 58–83. doi: 10.21256/zhaw-30992.
• Marmet, P. et al. (2023) 'Stochastic microstructure modeling of SOC electrodes based on a pluri-Gaussian method', Energy Advances, 2(11), pp. 1942–1967. doi: 10.1039/D3YA00332A.
• Marmet, P. et al. (2023) 'Standardized microstructure characterization of SOC electrodes as a key element for Digital Materials Design', Energy Advances, 2(7), pp. 980–1013. doi: 10.1039/D3YA00132F.
• Marmet, P. et al. (2021) 'Modeling the impedance response and steady state behaviour of porous CGO-based MIEC anodes', Physical Chemistry Chemical Physics, 23(40), pp. 23042–23074. doi: 10.1039/D1CP01962G.
• Wick-Joliat, R. et al. (2021) 'MoSi2/Al2O3/feldspar composites for injection‐molded ceramic heating elements', Advanced Engineering Materials, 23(9), p. 2100517. doi: 10.1002/adem.202100517.
• Meier, C. et al. (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. doi: 10.21152/1750-9548.12.4.393.
• Pecho, O. M. et al. (2015) '3D microstructure effects in Ni-YSZ anodes : influence of TPB lengths on the electrochemical performance', Materials, 8(10), pp. 7129–7144. doi: 10.3390/ma8105370.
• Linder, M. et al. (2015) 'Ohmic resistance of nickel infiltrated chromium oxide scales in solid oxide fuel cell metallic interconnects', Solid State Ionics, 283, pp. 38–51. doi: 10.1016/j.ssi.2015.11.003.
• Pecho, O. M. et al. (2015) '3D microstructure effects in Ni-YSZ anodes : prediction of effective transport properties and optimization of redox stability', Materials, 8(9), pp. 5554–5585. doi: 10.3390/ma8095265.
• Linder, M. et al. (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. doi: 10.1016/j.jpowsour.2015.04.136.
• Pecho, O. et al. (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. doi: 10.1016/j.jpowsour.2014.10.060.
• Safa, Y. and Hocker, T. (2015) 'A validated energy approach for the post-buckling design of micro-fabricated thin film devices', Applied Mathematical Modelling, 39(2), pp. 483–499. doi: 10.1016/j.apm.2014.05.038.
• Linder, M. et al. (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. doi: 10.1016/j.jpowsour.2014.08.098.
• Safa, Y. et al. (2014) 'Post-buckling design of thin-film electrolytes in micro-solid oxide fuel cells', Journal of Power Sources, 250, pp. 332–342. doi: 10.1016/j.jpowsour.2013.10.125.
• Gaiselmann, G. et al. (2014) 'Quantitative relationships between microstructure and effective transport properties based on virtual materials testing', AIChE Journal, 60(6), pp. 1983–1999. doi: 10.1002/aic.14416.
• Holzer, L. et al. (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. doi: 10.1016/j.jpowsour.2013.05.047.
• Linder, M. et al. (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. doi: 10.1016/j.jpowsour.2013.05.200.
• Gaiselmann, G. et al. (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. doi: 10.1016/j.commatsci.2012.08.030.
• Meier, C. et al. (2012) 'Analyzing a micro-solid oxide fuel cell system by global energy balances', International Journal of Hydrogen Energy, 37(13), pp. 10318–10327. doi: 10.1016/j.ijhydene.2012.04.009.
• Nakajo, A. et al. (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. doi: 10.1016/j.ceramint.2012.01.043.
• Evans, A. et al. (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. doi: 10.1002/fuce.201200028.
• Holzer, L. et al. (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. doi: 10.1016/j.jpowsour.2010.08.006.
• Holzer, L. et al. (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. doi: 10.1016/j.jpowsour.2010.08.017.
• Kuebler, J. et al. (2010) 'Simulation and validation of thermo-mechanical stresses in planar SOFCs', Fuel Cells, 10(6), pp. 1066–1073. doi: 10.1002/fuce.201000040.
• Bieberle-Hütter, A. et al. (2008) 'A micro-solid oxide fuel cell system as battery replacement', Journal of Power Sources, 177(1), pp. 123–130. doi: 10.1016/j.jpowsour.2007.10.092.
• Gmür, R. et al. (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. doi: 10.1016/j.snb.2007.07.139.
• Worlitschek, J., Hocker, T. and Mazzotti, M. (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. doi: 10.1002/ppsc.200400872.
• Hocker, T., Rajendran, A. and Mazzotti, M. (2003) 'Measuring and modeling supercritical adsorption in porous solids : carbon dioxide on 13X zeolite and on silica gel', Langmuir, 19(4), pp. 1254–1267. doi: 10.1021/la0266379.
• Roos, M. et al. (2003) 'Efficient simulation of fuel cell stacks with the volume averaging method', Journal of Power Sources, 118(1–2), pp. 86–95. doi: 10.1016/S0378-7753(03)00066-1.
• Rajendran, A. et al. (2002) 'Experimental observation of critical depletion : nitrous oxide adsorption on silica gel', Langmuir, 18(25), pp. 9726–9734. doi: 10.1021/la025696j.
• Hocker, T., Aranovich, G. L. and Donohue, M. 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. doi: 10.1006/jcis.2001.7496.
• Hocker, T. and Donohue, M. D. (2001) 'A simple model for solute partitioning and adsorption', Journal of Colloid and Interface Science, 244(1), pp. 9–17. doi: 10.1006/jcis.2001.7914.
• Hocker, T., Aranovich, G. L. and Donohue, M. D. (1999) 'Monolayer adsorption of nonrandom mixtures', The Journal of Chemical Physics, 111(3), pp. 1240–1254. doi: 10.1063/1.479309.
• Hocker, T., Aranovich, G. L. and 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. doi: 10.1006/jcis.1998.5971.
• Aranovich, G. L. et al. (1997) 'Nonrandom behavior in multicomponent lattice mixtures : effects of solute size and shape', The Journal of Chemical Physics, 106(24), pp. 10282–10291. doi: 10.1063/1.474065.

Schriftliche Konferenzbeiträge, peer-reviewed

• Marmet, P. et al. (2022) 'Composite conductivity of MIEC-based SOFC anodes : implications for microstructure optimization', in 15th European SOFC & SOE Forum 2022, Lucerne, Switzerland, 5-8 July 2022. Winterthur: ZHAW Zürcher Hochschule für Angewandte Wissenschaften. doi: 10.21256/zhaw-26055.
• Marmet, P. et al. (2020) 'Towards model-based optimization of CGO/Ni anodes', in 14th European SOFC & SOE Forum, Lucerne, Switzerland (online), 20-23 October 2020. Zenodo. doi: 10.5281/zenodo.4556898.
• Knaack, R. et al. (2019) 'Einsatz von 'Virtual Reality' in der Ausbildung von Ingenieurinnen und Ingenieuren', in Meissner, B. et al. (eds) Tagungsband zum 4. Symposium zur Hochschullehre in den MINT-Fächern. Nürnberg: Technische Hochschule Nürnberg, pp. 176–183. Available at: https://www.didaktikzentrum.de/images/cwattachments/491_f1d8d1209f6ebde9058713d97ebf9d29.pdf.

Weitere Publikationen

• Evans, A. et al. (2012) 'Residual stress and buckling patterns of yttria-stabilised-zirconia thin films for micro-solid oxide fuel cell membranes', in Mogensen, M. B. et al. (eds) Ionic and mixed conducting ceramics. Pennington: The Electrochemical Society, pp. 475–479. doi: 10.1149/1.3701338.
• Linder, M. et al. (2011) 'Automated, model-based analysis of Uj-data for electrolyte-supported SOFC short-stacks', in 7th Symposium on Fuel Cell Modeling and Experimental Validation, Morges, 23-24 March 2010. Wiley, pp. 573–580. doi: 10.1002/fuce.201000132.
• Safa, Y. and Hocker, T. (2009) 'Numerical simulation of reactive transport phenomena in the hexis SOFC-system', in Singhal, S. C. and Yokokawa, H. (eds) Solid Oxide Fuel Cells 11 (SOFC-XI). Pennington, pp. 1221–1230. doi: 10.1149/1.3205651.
• Hocker, T. and Heinzelmann, E. (2004) 'FE-Modellierung von Brennstoffzellen', Technische Rundschau, 2004(5), p. 22.
• Hocker, T. et al. (2003) 'Mikro- und Nanotechnologie am Center for Computational Physics', ZHWInfo, 17.
• Di Giovanni, O. et al. (2002) 'Measuring and describing adsorption under supercritical conditions', in Kaneko, K. et al. (eds) Fundamentals of Adsorption 7 : Proceedings of the 7th International Conference on Fundamentals of Asorption, Nagasaki, 20–25 May, 2001. Chiba: IK International, pp. 672–679.
• Hocker, T., Aranovich, G. L. and Donohue, M. D. (1997) 'Energy and entropy of mixing for a nonrandom mixture of monomers', in Stuchtrup, H. (ed.) Facetten der Thermodynamik : Festschrift zum 60. Geburtstag von Professor Ingo Müller. Berlin: Technische Universität Berlin.

Mündliche Konferenzbeiträge und Abstracts

• Marmet, P. et al. (2024) 'Modellbasierte Entwicklung von Elektroden für Festoxid-Brennstoffzellen', in VPE/PLM Swiss Symposium, OST – Ostschweizer Fachhochschule, Rapperswil, Schweiz, 11. April 2024.
• Marmet, P. et al. (2023) 'Multiscale-multiphysics model for novel ceramic solid oxide fuel cell electrodes', in 18th International Conference of Multiphysics, Graz, Austria, 14-15 December 2023.
• Marmet, P. et al. (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. Kaiserslautern: Math2Market, p. 22. Available at: https://www.math2market.de/fileadmin/CONTENT_files/News/Events/GeoDict_UserMeeting-and-Workshops/2021-GeoDict-UserMeeting/2021_Book-of-Abstracts.pdf.
• Marmet, P. et al. (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, Y. and Hocker, T. (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, T., Safa, Y. and Meier, D. C. (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.
• Prestat, M. R. et al. (2012) 'Miniaturized free-standing SOFC membranes on silicon chips (A0704)', in 10th European SOFC Forum 2012, Lucerne, Switzerland, 26–29 June 2012.
• Safa, Y. and Hocker, T. (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.
• Hocker, T. et al. (2011) 'Buckling-driven crack growth in elastic plate devices', in 21. Symposium Simulationstechnik (ASIM 2011), Winterthur, Schweiz, 7.–9. September 2011.
• Safa, Y. and Hocker, T. (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.

Forschungsdaten

• Marmet, Philip; Holzer, Lorenz; Hocker, Thomas; Muser, Vinzenz; Boiger, Gernot K.; Fingerle, Mathias; Reeb, Sarah; Michel, Dominik; Brader, Joseph M., 2023. Python app for stochastic microstructure modeling of SOC electrodes based on a pluri-Gaussian method. Zenodo.
• Marmet, Philip; Holzer, Lorenz; Hocker, Thomas; Boiger, Gernot K.; Bausinger, Holger; Mai, Andreas; Fingerle, Mathias; Reeb, Sarah; Michel, Dominik; Brader, Joseph M., 2023. Characterization-app : standardized microstructure characterization of SOC electrodes as a key element for Digital Materials Design. Zenodo.

Patente und Patentanmeldungen

Boiger, G. K. et al. (2019) 'Keramischer Heizwiderstand, elektrisches Heizelement sowie Vorrichtung zur Erwärmung eines Fluides'. Available at: https://worldwide.espacenet.com/patent/search?q=pn%3DWO2019185291A1.

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