Spatially Resolved Current Density and Electrochemical Impedance Spectroscopy in PEM Fuel Cells
Fensterle E, Rabsahl F, Hunger J, Wilhelm F, Scholta J, Hölzle M. Spatially Resolved Current Density and Electrochemical Impedance Spectroscopy in PEM Fuel Cells. Fuel Cells 2026;26(2):e70057. The durability and efficiency of proton exchange membrane fuel cells (PEMFC) are crucial for their deployment in heavy-duty applications. The membrane-electrode assembly (MEA) of a PEMFC plays a central […]
Stress modelling from land/channel to full PEMFC stack using homogenization method
Fabien Mons-Quendo, Jean-François Blachot, Jean-Philippe Poirot-Crouvezier, Christophe Carral, Patrice Mele, Sébastien Kawka, Stress modelling from land/channel to full PEMFC stack using homogenization method, International Journal of Hydrogen Energy, Volume 198, 2026, 152592, ISSN 0360-3199 Proton exchange membrane fuel cells (PEMFCs) consist of stacked cells compressed between two clamping plates. The performance and durability of the […]
Modeling Core-Shell Pt–Co Catalyst Degradation in Fuel Cells Using a Continuum Approach
Prijatelj, M., Kregar, A., Kravos, A. and Katrašnik, T. (2025), Modeling Core-Shell Pt–Co Catalyst Degradation in Fuel Cells Using a Continuum Approach. ChemElectroChem 2500055. This paper presents a new numerical model for bimetallic (BM) alloyed core–shell catalyst degradation, providing a deeper understanding of the interplay between shell thickness-dependent specific activity (SA), resistance to electrochemical degradation, and […]
Real-time capable nonlinear distributed parameter observer considering two-phase flow in PEM fuel cells: our recent breakthrough
Andraž Kravos, Martin Vrlić, Christoph Hametner, Stefan Jakubek, Tomaž Katrašnik, Real-time capable nonlinear distributed parameter observer considering two-phase flow in PEM fuel cells, International Journal of Hydrogen Energy, Volume 134, 2025, Pages 181-197,ISSN 0360-3199 This paper presents a breakthrough in real-time capable nonlinear distributed parameter observation of spatially resolved intra-PEMFC states, which is achieved by […]
Advanced State-of-X diagnostics of proton exchange membrane fuel cells enabled by the multi-scale modeling framework: an innovative SoOC and SoH diagnostic method
Tomaž Katrašnik, Andraž Kravos, Advanced State-of-X diagnostics of proton exchange membrane fuel cells enabled by the multi-scale modeling framework, International Journal of Hydrogen Energy, 2025,, ISSN 0360-3199. Simultaneous optimization of efficiency and durability of proton exchange membrane fuel cells (PEMFC) calls for advanced State-of-X (SoX) diagnostics. Novel SoX functionalities are made possible by the knowledge […]
Our presentation in ModVal25 👀
Advanced Model-Based Framework for State-of-X Diagnostics in Low- and High-Temperature Proton Exchange Membrane Fuel Cells Andraž Kravos & Tomaž Katrašnik University of Ljubljana Faculty of Mechanical Engineering – Laboratory for Internal combustion engines and electromobility Our partners from University of Ljubljana presented their latest findings during the ModVal 2025 conference! Their presentation is available below. […]
First findings arrived! 💪
Andraž Kravos, Tit Voglar, Ambroz Kregar, and Tomaž Katrašnik from the University of Ljubljana, released their first paper! 👀 Electrochemical Impedance Spectroscopy (EIS) is crucial for analyzing fuel cells but lacks precise, physico-chemically consistent models that inlcude parameters with clear physical meaning and are computationally efficient. “Hybrid Methodology for Parametrisation of Proton Exchange Membrane Fuel […]