Publikationen

2025

Duan K., Köble K., Ershov A., Schilling M., Rampf A., Cecilia A., Faragó T., Zuber M., Baumbach T., Sui Pc., Zeis R.:
Investigating Bubble Formation and Evolution in Vanadium Redox Flow Batteries via Synchrotron X-Ray Imaging
In: Chemsuschem (2025)
ISSN: 1864-5631
DOI: 10.1002/cssc.202500282
Kutter M., Hilgert A., Maier M., Schilling M., Greve CR., Loukrakpam R., Hagemeier W., Rosin A., Muggli M., Herzig EM., Zeis R., Böhm T., Gerdes T., Roth C.:
LiF@PFSA-Based Composite Membranes for PEM Fuel Cells at Intermediate Temperature Conditions
In: ACS Applied Polymer Materials 7 (2025), S. 599-610
ISSN: 2637-6105
DOI: 10.1021/acsapm.4c02540
Rampf A., Marchfelder C., Zeis R.:
Distribution of relaxation times analysis of rotating disk electrode impedance spectra
In: Electrochimica Acta 514 (2025), Art.Nr.: 145583
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2024.145583
Schilling M., Vocht MP., Debastiani R., Scherer S., Hermanutz F., Zeis R.:
Structure & composition of carbon fibers for electrochemical applications
In: Journal of Power Sources 647 (2025), Art.Nr.: 237345
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2025.237345

2024

Fritsch C., Hahn I.:
Accurate Simulation of the Star Point Behavior of Inverter-fed Synchronous Motors using the measured Common Mode Impedance
2024 Energy Conversion Congress and Expo Europe, ECCE Europe 2024 (Darmstadt, DEU, 2. September 2024 - 6. September 2024)
In: ECCE Europe 2024 - Energy Conversion Congress and Expo Europe, Proceedings 2024
DOI: 10.1109/ECCEEurope62508.2024.10751837
Hazrati T., Hahn I.:
Investigation of the Influences of the bandwidths in Hysteresis current controller on single phase inverters
2024 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2024 (Napoli, ITA, 19. Juni 2024 - 21. Juni 2024)
In: 2024 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2024 2024
DOI: 10.1109/SPEEDAM61530.2024.10609155
Hosseini S., Hahn I.:
Analyzing the Estimation of Energy Consumption in the Trajectory Planning of an Industrial Robot
19th IEEE Conference on Industrial Electronics and Applications, ICIEA 2024 (Kristiansand, NOR, 5. August 2024 - 8. August 2024)
In: 2024 IEEE 19th Conference on Industrial Electronics and Applications, ICIEA 2024 2024
DOI: 10.1109/ICIEA61579.2024.10664679
Hosseini S., Hahn I.:
On Experimental Energy Consumption Estimation of a 6-DoF Industrial UR3e Robot Arm Manipulator in Trajectory Planning
33rd IEEE International Conference on Robot and Human Interactive Communication, ROMAN 2024 (Pasadena, CA, 26. August 2024 - 30. August 2024)
In: IEEE International Workshop on Robot and Human Communication, RO-MAN 2024
DOI: 10.1109/RO-MAN60168.2024.10731263
Igney J., Hahn I.:
Algorithm to List All Possibilities of Minimizing The Number of BSO’s of Matrix Converters
2024 Energy Conversion Congress & Expo Europe (ECCE Europe) (Darmstadt, 2. September 2024 - 6. September 2024)
In: 2024 Energy Conversion Congress & Expo Europe (ECCE Europe) 2024
DOI: 10.1109/ECCEEurope62508.2024.10751879
Lehner S., Budday D.:
Harnessing Technology for a Sustainable Battery Lifecycle: Digitalization, Automation and AI
Siemens RIE Conference (Nürnberg, 29. November 2024 - 29. November 2024)
Lehner S., Reiter A.:
Application Driven Differences in Design and Operation of Large-Scale Batteries
Advanced Battery Power (Muenster, 10. April 2024 - 11. April 2024)
Reiter A., Lehner S., Bohlen O., Sauer DU.:
Model-based fault diagnosis for large-scale marine battery systems
ESARS - ITEC 2024 (Neapel, 26. November 2024 - 29. November 2024)
Sisterhenn P., Hahn I.:
Subdomain Modeling of a Flux Switching Machine with Buried Permanent Magnets
2024 Energy Conversion Congress and Expo Europe, ECCE Europe 2024
DOI: 10.1109/ECCEEurope62508.2024.10751876

Kutter M., Greve C., Maier M., Schilling M., Mauel A., Hilgert A., Hoffmann H., Hagemeier W., Rosin A., Muggli M., Zeis R., Senker J., Böhm T., Herzig EM., Gerdes T., Roth C.:
Recycling of perfluorosulfonic acid-based membranes and their Re-application in PEM fuel cells
In: Journal of Membrane Science 693 (2024), Art.Nr.: 122370
ISSN: 1873-3123
DOI: 10.1016/j.memsci.2023.122370
Köble K., Ershov A., Duan K., Schilling M., Rampf A., Cecilia A., Faragó T., Zuber M., Baumbach T., Zeis R.:
Insights into the hydrogen evolution reaction in vanadium redox flow batteries: A synchrotron radiation based X-ray imaging study
In: Journal of Energy Chemistry 91 (2024), S. 132-144
ISSN: 2095-4956
DOI: 10.1016/j.jechem.2023.12.010
Liu C., Luo M., Zeis R., Chuang PYA., Zhang R., Du S., Sui PC.:
Fabrication of catalyst layer for proton exchange membrane water electrolyzer: I. Effects of dispersion on particle size distribution and rheological behavior
In: International Journal of Hydrogen Energy 52 (2024), S. 1143-1154
ISSN: 0360-3199
DOI: 10.1016/j.ijhydene.2023.08.154
Malik YT., Braig M., Simon P., Zeis R., Fleischmann S.:
Analysis of Battery-like and Pseudocapacitive Ion Intercalation Kinetics via Distribution of Relaxation Times
In: Journal of The Electrochemical Society 171 (2024), Art.Nr.: 110515
ISSN: 0013-4651
DOI: 10.1149/1945-7111/ad8d51
Peng Q., Yang Y., Xu H., Schilling M., Shah A., Zeis R., Sui PC., Zhu X., Li J., Liao Q.:
Electrode microstructure design to improve effective utilization of Fe-N/C catalysts towards oxygen reduction reaction process
In: Chemical Engineering Journal 490 (2024), Art.Nr.: 151569
ISSN: 1385-8947
DOI: 10.1016/j.cej.2024.151569
Rampf A., Braig M., Passerini S., Zeis R.:
A Comparative Study of the Oxygen Reduction Reaction on Pt and Ag in Alkaline Media
In: ChemElectroChem (2024)
ISSN: 2196-0216
DOI: 10.1002/celc.202400563
Schilling M., Ershov A., Debastiani R., Duan K., Köble K., Scherer S., Lan L., Rampf A., Faragó T., Zuber M., Cecilia A., Liu S., Liu C., Baumbach T., Li J., Sui PC., Zeis R.:
Bamboo charcoal as electrode material for vanadium redox flow batteries
In: Energy Advances 3 (2024), S. 997-1008
ISSN: 2753-1457
DOI: 10.1039/d4ya00166d
Schilling M., Zeis R.:
Investigating the V(II)/V(III) electrode reaction in a vanadium redox flow battery – A distribution of relaxation times analysis
In: Electrochimica Acta 477 (2024), Art.Nr.: 143771
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2024.143771

2023

Fritsch C., Hahn I.:
Prediction of Voltage Stress to Ground at Synchronous Motor Terminals in Power Drive Systems
25th European Conference on Power Electronics and Applications, EPE 2023 ECCE Europe (Aalborg, 4. September 2023 - 8. September 2023)
In: 2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe) 2023
DOI: 10.23919/EPE23ECCEEurope58414.2023.10264559

Dechent P., Barbers E., Epp A., Jöst D., Li W., Sauer DU., Lehner S.:
Correlation of Health Indicators on Lithium-Ion Batteries
In: Energy Technology 11 (2023), Art.Nr.: 2201398
ISSN: 2194-4288
DOI: 10.1002/ente.202201398
Reiter A., Lehner S., Bohlen O., Sauer DU.:
A Generic Approach to Simulating Temperature Distributions within Commercial Lithium-Ion Battery Systems
In: Batteries 9 (2023), Art.Nr.: 522
ISSN: 2313-0105
DOI: 10.3390/batteries9100522
Reiter A., Lehner S., Bohlen O., Sauer DU.:
Electrical cell-to-cell variations within large-scale battery systems — A novel characterization and modeling approach
In: Journal of Energy Storage 57 (2023), Art.Nr.: 106152
ISSN: 2352-152X
DOI: 10.1016/j.est.2022.106152

Braig M., Deissler NH., Lüdeking I., Regnet F., Bevilacqua N., Zeis R.:
FIB-SEM and ToF-SIMS Analysis of High-Temperature PEM Fuel Cell Electrodes
In: Advanced Materials Interfaces 10 (2023), Art.Nr.: 2202430
ISSN: 2196-7350
DOI: 10.1002/admi.202202430
Braig M., Zeis R.:
Distribution of relaxation times analysis of electrochemical hydrogen pump impedance spectra
In: Journal of Power Sources 576 (2023), Art.Nr.: 233203
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2023.233203
Köble K., Jaugstetter M., Schilling M., Braig M., Diemant T., Tschulik K., Zeis R.:
Multimodal characterization of carbon electrodes' thermal activation for vanadium redox flow batteries
In: Journal of Power Sources 569 (2023), Art.Nr.: 233010
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2023.233010
Köble K., Schilling M., Eifert L., Bevilacqua N., Fahy KF., Atanassov P., Bazylak A., Zeis R.:
Revealing the Multifaceted Impacts of Electrode Modifications for Vanadium Redox Flow Battery Electrodes
In: ACS Applied Materials and Interfaces (2023)
ISSN: 1944-8244
DOI: 10.1021/acsami.3c07940
Rampf A., Braig M., Passerini S., Zeis R.:
The Oxygen Reduction Reaction on Pt and Ag Catalysts in Alkaline Media in Rrde and Half-Cell Setups
In: ECS Meetings Abstracts MA2023-02 (2023), S. 2040-2040
ISSN: 2151-2043
DOI: 10.1149/MA2023-02412040mtgabs
Schilling M., Eifert L., Köble K., Jaugstetter M., Bevilacqua N., Fahy KF., Tschulik K., Bazylak A., Zeis R.:
Investigating the Influence of Treatments on Carbon Felts for Vanadium Redox Flow Batteries
In: Chemsuschem (2023)
ISSN: 1864-5631
DOI: 10.1002/cssc.202301063
Zeis R.:
Radiography and Tomography
In: Christina Roth, Jens Noack, Maria Skyllas-Kazacos (Hrsg.): Flow Batteries: From Fundamentals to Applications, Volume 2, Wiley‐VCH, 2023, S. 263-280
ISBN: 9783527832767
DOI: 10.1002/9783527832767.ch12

2022

Dianati B., Hahn I.:
Nonlinear Modeling of MGSPMs Based on Hybrid Subdomain and Magnetic Equivalent Circuitry
In: IEEE Transactions on Magnetics 58 (2022)
ISSN: 0018-9464
DOI: 10.1109/TMAG.2021.3128739
Igney J., Hahn I.:
Modulation Strategy and Control Range Function for Matrix Converters Without Trigonometric Functions
2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2022 (Sorrento, 22. Juni 2022 - 24. Juni 2022)
In: 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2022 2022
DOI: 10.1109/SPEEDAM53979.2022.9842119
Ruzbehi S., Hahn I.:
Hybrid Structure Optimization of a PMSM Using Global and Local Methods for Higher Torque and Lower Volume
11th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2022 (Istanbul, 18. September 2022 - 21. September 2022)
In: 11th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2022 2022
DOI: 10.1109/ICRERA55966.2022.9922851
Ruzbehi S., Hahn I.:
Structural Optimization of PM Synchronous Machine Based on Multi-objective Algorithm for Lower Torque Ripple and Volume
23rd International Conference on the Computation of Electromagnetic Fields, COMPUMAG 2022 (Cancun, MEX, 16. Januar 2022 - 20. Januar 2022)
In: 2022 23rd International Conference on the Computation of Electromagnetic Fields, COMPUMAG 2022 2022
DOI: 10.1109/COMPUMAG55718.2022.9827519
Ruzbehi S., Hahn I.:
Topology optimization of a PMSM based on a local method to gain lightweight structure and better operation
11th International Conference on Power Electronics, Machines and Drives (PEMD 2022) (Newcastle, UK, 21. Juni 2022 - 23. Juni 2022)
In: 11th International Conference on Power Electronics, Machines and Drives (PEMD 2022) 2022
DOI: 10.1049/icp.2022.1121
Ruzbehi S., Hahn I.:
Topology Optimization of a PM Synchronous Machine Based on Novel Metaheuristic Algorithm for Lower Cogging Torque and Magnet Volume
2022 IEEE International Conference on Industrial Technology, ICIT 2022 (Shanghai, CHN, 22. August 2022 - 25. August 2022)
In: Proceedings of the IEEE International Conference on Industrial Technology 2022
DOI: 10.1109/ICIT48603.2022.10002791
Ryu J., Hahn I.:
Numerical Modeling for Induced Eddy Current Calculation on a Non-uniform Mesh
20th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC) (Online)
In: TWENTIETH BIENNIAL IEEE CONFERENCE ON ELECTROMAGNETIC FIELD COMPUTATION (IEEE CEFC 2022), NEW YORK: 2022
DOI: 10.1109/CEFC55061.2022.9940693
Zollet B., Ruzbehi S., Hahn I.:
Magnetic Direction Analysis of Permanent Magnet in a Permanent Magnet Synchronous Machine
2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2022 (Sorrento, ITA, 22. Juni 2022 - 24. Juni 2022)
In: 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2022 2022
DOI: 10.1109/SPEEDAM53979.2022.9842173

Duan K., Zeis R., Sui P.:
Pore-scale modelling of reconstructed catalyst layer for high-temperature proton-exchange membrane fuel cell 高温质子交换膜燃料电池催化层孔尺度模拟
In: Chongqing Daxue Xuebao/Journal of Chongqing University 45 (2022), S. 34-43
ISSN: 1000-582X
DOI: 10.11835/j.issn.1000-582X.2021.111
Schilling M., Braig M., Köble K., Zeis R.:
Investigating the V(IV)/V(V) electrode reaction in a vanadium redox flow battery – A distribution of relaxation times analysis
In: Electrochimica Acta 430 (2022), Art.Nr.: 141058
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2022.141058
Xiao L., Bian M., Zhu L., Duan K., Leng W., Zeis R., Sui PC., Zhang H.:
High-density and low-density gas diffusion layers for proton exchange membrane fuel cells: Comparison of mechanical and transport properties
In: International Journal of Hydrogen Energy 47 (2022), S. 22532-22544
ISSN: 0360-3199
DOI: 10.1016/j.ijhydene.2022.05.092
Xiao L., Yin Z., Bian M., Bevilacqua N., Zeis R., Yuan J., Sui PC.:
Microstructure reconstruction using fiber tracking technique and pore-scale simulations of heterogeneous gas diffusion layer
In: International Journal of Hydrogen Energy 47 (2022), S. 20218-20231
ISSN: 0360-3199
DOI: 10.1016/j.ijhydene.2022.04.143
Xiao L., Zhu L., Clökler C., Grünzweig A., Wilhelm F., Scholta J., Zeis R., Shen ZG., Luo M., Sui PC.:
Experimental validation of pore-scale models for gas diffusion layers
In: Journal of Power Sources 536 (2022), Art.Nr.: 231515
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2022.231515

2021

Igney J., Hahn I.: Control Algorithms for Matrix Converters With Low Mathematical Complexity 21st International Symposium on Power Electronics (Ee) (Novi Sad, 27. Oktober 2021 - 30. Oktober 2021) DOI: 10.1109/Ee53374.2021.9628311 URL: https://ieeexplore.ieee.org/document/9628311
Khoshzaman S., Hahn I.: A Performance Comparison of GaN FET and Silicon MOSFET 2021 22nd IEEE International Conference on Industrial Technology (ICIT) (Valencia, Spain (Virtuell), 10. März 2021 - 12. März 2021) DOI: 10.1109/ICIT46573.2021.9453693
Khoshzaman S., Tang Y., Hahn I.: Dynamic On-State Resistance Characterization of GaN FET under Hard-Switching Conditions IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society (Toronto, ON, 13. Oktober 2021 - 16. Oktober 2021) DOI: 10.1109/IECON48115.2021.9589413 URL: https://ieeexplore.ieee.org/document/9589413
Ruzbehi S., Hahn I.: Two-level Topology Optimization based on a Metaheuristic Method and Morphological Reconstruction 47th Annual Conference of the IEEE Industrial Electronics Society 2021 (Toronto, ON, Canada, 13. Oktober 2021 - 16. Oktober 2021) In: IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society 2021 DOI: 10.1109/IECON48115.2021.9589937 URL: https://ieeexplore.ieee.org/document/9589937
Ryu J., Hahn I.: Numerical modeling for 3D eddy current calculation in magneto-quasistatic approximation 22nd IEEE International Conference on Industrial Technology (ICIT) In: 2021 22ND IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY (ICIT), NEW YORK: 2021 DOI: 10.1109/ICIT46573.2021.9453688
Stiller M., Hahn I.: Deterministic winding function model for slotted induction machines validated by air gap magnetic field measurements 47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021 (Toronto, ON, 13. Oktober 2021 - 16. Oktober 2021) In: IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society 2021 DOI: 10.1109/IECON48115.2021.9589567
Wagner J., Hahn I.: Modelling the Influence of the Mechanical Forces on the Commutation Process of a DC Motor IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society (Toronto, 13. Oktober 2021 - 16. Oktober 2021) DOI: 10.1109/IECON48115.2021.9589149

Balakrishnan M., Shrestha P., Lee C., Ge N., Fahy KF., Messerschmidt M., Scholta J., Eifert L., Maibach J., Zeis R., Hatton BD., Bazylak A.: Degradation Characteristics of Electrospun Gas Diffusion Layers with Custom Pore Structures for Polymer Electrolyte Membrane Fuel Cells In: ACS Applied Materials and Interfaces 13 (2021), S. 2414-2427 ISSN: 1944-8244 DOI: 10.1021/acsami.0c15324
Bevilacqua N., Asset T., Schmid MA., Markötter H., Manke I., Atanassov P., Zeis R.: Impact of catalyst layer morphology on the operation of high temperature PEM fuel cells In: Journal of Power Sources Advances 7 (2021), Art.Nr.: 100042 ISSN: 2666-2485 DOI: 10.1016/j.powera.2020.100042
Duan K., Zhu L., Li M., Xiao L., Bevilacqua N., Eifert L., Manke I., Markötter H., Zhang R., Zeis R., Sui PC.: Multiphase and pore scale modeling on catalyst layer of high-temperature polymer electrolyte membrane fuel cell In: Journal of The Electrochemical Society 168 (2021), Art.Nr.: 054521 ISSN: 0013-4651 DOI: 10.1149/1945-7111/abff03
Köble K., Eifert L., Bevilacqua N., Fahy KF., Bazylak A., Zeis R.: Synchrotron X-Ray radiography of vanadium redox flow batteries – Time and spatial resolved electrolyte flow in porous carbon electrodes In: Journal of Power Sources 492 (2021), Art.Nr.: 229660 ISSN: 0378-7753 DOI: 10.1016/j.jpowsour.2021.229660
Pimperl N., Bevilacqua N., Schmid MA., Loichet Torres PA., El-Sayed HA., Zeis R., Zeyer KP.: Nitrogen-functionalized carbon-supported Pt catalysts implemented in high-temperature polymer electrolyte membrane fuel cell In: Journal of Power Sources 507 (2021), Art.Nr.: 229971 ISSN: 0378-7753 DOI: 10.1016/j.jpowsour.2021.229971
Zhang E., Fulik N., Zhang H., Bevilacqua N., Zeis R., Xu F., Brunner E., Kaskel S.: NMR analysis of phosphoric acid distribution in porous fuel cell catalysts In: Chemical Communications 57 (2021), S. 2547-2550 ISSN: 1359-7345 DOI: 10.1039/d0cc07738k
Zhang H., Zhu L., Harandi HB., Duan K., Zeis R., Sui PC., Chuang PYA.: Microstructure reconstruction of the gas diffusion layer and analyses of the anisotropic transport properties In: Energy Conversion and Management 241 (2021), Art.Nr.: 114293 ISSN: 0196-8904 DOI: 10.1016/j.enconman.2021.114293