Dr. Roman Pascal Schärer

Network

ORCID digital identifier

ORCID ID: 0000-0001-9758-9234

Projects

• Shaping Porous Electrode Architecture to Improve Current Density and Energy Efficiency in Redox Flow Batteries / Deputy project leader / ongoing
• High-throughput screening, synthesis and characterisation of active materials for flow batteries / Deputy project leader / ongoing
• Doctoral network for microprocess engineering for electrosynthesis – New synthesis concepts for pharmaceutical / fine chemical industry / Deputy project leader / ongoing

Publications

Articles in scientific journal, 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
• 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

Book chapters, 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

Written conference contributions, peer-reviewed

• 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.
• 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.
• 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.
• 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.
• 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
• 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

Other publications

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.

Oral conference contributions and abstracts

• 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
• Schärer, R. P. (2024, October 17). Modelling mass transport through porous flow battery electrodes. iBAT Redox Flow Batteries Workshop, Dübendorf, Switzerland, 17. October 2024. https://ibat.swiss/event/redox-flow-batteries-workshop-on-site/
• 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
• 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

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