Konrad Ehelebe
Konrad Ehelebe
Development Engineer Electrolysis at Siemens Energy
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Platinum Dissolution in Realistic Fuel Cell Catalyst Layers
K Ehelebe, J Knöppel, M Bierling, B Mayerhöfer, T Böhm, N Kulyk, ...
Angewandte Chemie International Edition 60 (16), 8882-8888, 2021
Evaluating Electrocatalysts at Relevant Currents in a Half-Cell: The Impact of Pt Loading on Oxygen Reduction Reaction
K Ehelebe, D Seeberger, MTY Paul, S Thiele, KJJ Mayrhofer, S Cherevko
Journal of The Electrochemical Society 166 (16), F1259-F1268, 2019
Benchmarking fuel cell electrocatalysts using gas diffusion electrodes: inter-lab comparison and best practices
K Ehelebe, N Schmitt, G Sievers, AW Jensen, A Hrnjić, ...
ACS energy letters 7 (2), 816-826, 2022
Oxygen reduction reaction in alkaline media causes iron leaching from Fe–N–C electrocatalysts
YP Ku, K Ehelebe, A Hutzler, M Bierling, T Böhm, A Zitolo, M Vorokhta, ...
Journal of the American Chemical Society 144 (22), 9753-9763, 2022
Limitations of aqueous model systems in the stability assessment of electrocatalysts for oxygen reactions in fuel cell and electrolyzers
K Ehelebe, D Escalera-López, S Cherevko
Current opinion in electrochemistry 29, 100832, 2021
On the effect of anion exchange ionomer binders in bipolar electrode membrane interface water electrolysis
B Mayerhöfer, K Ehelebe, FD Speck, M Bierling, J Bender, JA Kerres, ...
Journal of Materials Chemistry A 9 (25), 14285-14295, 2021
Fuel Cell Catalyst Layer Evaluation using a Gas Diffusion Electrode Half-Cell: Oxygen Reduction Reaction on Fe-NC in Alkaline Media
K Ehelebe, T Ashraf, S Hager, D Seeberger, S Thiele, S Cherevko
Electrochemistry Communications, 106761, 2020
Toward the continuous production of multigram quantities of highly uniform supported metallic nanoparticles and their application for synthesis of superior intermetallic Pt …
L Pavko, M Gatalo, G Križan, J Križan, K Ehelebe, F Ruiz-Zepeda, ...
ACS applied energy materials 4 (12), 13819-13829, 2021
Graphene-derived carbon support boosts proton exchange membrane fuel cell catalyst stability
L Pavko, M Gatalo, M Finšgar, F Ruiz-Zepeda, K Ehelebe, P Kaiser, ...
ACS catalysis 12 (15), 9540-9548, 2022
In search of lost iridium: quantification of anode catalyst layer dissolution in proton exchange membrane water electrolyzers
M Milosevic, T Böhm, A Körner, M Bierling, L Winkelmann, K Ehelebe, ...
ACS Energy Letters 8 (6), 2682-2688, 2023
Heating up the OER: Investigation of IrO2 OER Catalysts as Function of Potential and Temperature**
S Czioska, K Ehelebe, J Geppert, D Escalera‐López, A Boubnov, ...
ChemElectroChem 9 (19), e202200514, 2022
Comparison of methods to determine electrocatalysts’ surface area in gas diffusion electrode setups: a case study on Pt/C and PtRu/C
NC Röttcher, YP Ku, M Minichova, K Ehelebe, S Cherevko
Journal of Physics: Energy 5 (2), 024007, 2023
Investigation of Iridium-Based OER Catalyst Layers in a GDE Half-Cell Setup: Opportunities and Challenges
M Geuß, M Milosevic, M Bierling, L Löttert, D Abbas, D Escalera, V Lloret, ...
Journal of The Electrochemical Society, 2023
Characterization of Oxygen and Ion Mass Transport Resistance in Fuel Cell Catalyst Layers in Gas Diffusion Electrode Setups
P Lauf, V Lloret, M Geuß, CC Collados, M Thommes, KJJ Mayrhofer, ...
Journal of The Electrochemical Society 170 (6), 064509, 2023
Oxygen reduction reaction causes iron leaching from Fe-NC electrocatalysts
YP Ku, K Ehelebe, M Bierling, F Speck, D Seeberger, K Mayrhofer, ...
Bridging the gap between fundamental and applied fuel cell electrocatalysis using gas diffusion electrodes
K Ehelebe
(Invited) Electrocatalysts Dissolution Assessment in Fuel Cell and Water Electrolysis Research
S Cherevko, K Ehelebe, D Escalera López, J Knöppel, YP Ku, ...
Electrochemical Society Meeting Abstracts 241, 2052-2052, 2022
Catalyst Dissolution Analysis in PEM Water Electrolyzers during Intermittent Operation
M Milosevic, J Knöppel, K Ehelebe, D Abbas, D Escalera López, S Thiele, ...
Electrochemical Society Meeting Abstracts 241, 1369-1369, 2022
Gas Diffusion Electrode Half Cells–a Powerful Tool for Fuel Cell Electrocatalyst Evaluation in Relevant Conditions
K Ehelebe, S Cherevko
Electrochemical Society Meeting Abstracts 239, 1868-1868, 2021
Impact of Carbon Corrosion and Denitrogenation on the Deactivation of Fe–N–C Catalysts in Alkaline Media
YP Ku, K Kumar, A Hutzler, C Götz, M Vorochta, MT Sougrati, V Lloret, ...
ACS Catalysis 14, 8576-8591, 2024
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