Publications list

Tracking the Formation of High Entropy Solid Solutions and High Entropy Intermetallics by In Situ X-ray Diffraction and Spectroscopy

Nicolas Schlegel, Stefanie Punke, Christian M Clausen, Ulrik Friis-Jensen, Adam F Sapnik, Dragos Stoian, Olivia Aalling-Frederiksen, Divyansh Gautam, Jan Rossmeisl, Rebecca K Pittkowski, Matthias Arenz, Kirsten MØ Jensen

Chemistry of Materials, 37 (3), (2025), 939-953, DOI: 10.1021/acs.chemmater.4c02470

Investigation of NiFe alloy foams at high oxygen evolution reaction rates using a dry anode setup in alkaline environment

E Berner, GKH Wiberg, M Arenz

Journal of Power Sources, 631, (2025), 236245, DOI: 10.1016/j.jpowsour.2025.236245

Structural Changes of NiFe Layered Double Hydroxides During the Oxygen Evolution Reaction: A Diffraction and Total Scattering Operando Study

Olivia Aalling‐Frederiksen, Nicolas Schlegel, Stefanie Punke, Andy S Anker, Gustav KH Wiberg, Baiyu Wang, Jens Edelvang‐Pejrup, Freja B Holde, María Paula Salinas‐Quezada, Nicolas PL Magnard, Laura G Graversen, Matthias Arenz, Rebecca K Pittkowski, Kirsten MØ Jensen

Small, 21, (2025), 2411211, DOI: 10.1002/smll.202411211

Structural aspects of oxygen evolution reaction catalyst support materials: Identifying the most important factors for catalytic performance

Annabelle Maletzko, Birgit Kintzel, Aline Bornet, Matthias Arenz, Julia Melke

International Journal of Hydrogen Energy, 141, (2025), 1285-1293, DOI: 10.1016/j.ijhydene.2025.02.446

Exploring Nanoengineered Manganese Oxide‐Based Composite Catalysts for Acidic Water Electrooxidation

Jia Du, Gustav KH Wiberg, Matthias Arenz

ChemElectroChem, 12, (2025), e202500275, DOI: 10.1002/celc.202500275

Towards selective Ir/IrO2 electrochemical dissolution of Ir-based electrocatalysts for enhanced proton exchange membrane water electrolyzer sustainability

Jia Du, Matej Zlatar, Damin Zhang, Daniel Escalera-López, Jonathan Quinson, Serhiy Cherevko, Matthias Arenz

Journal of Power Sources, 657, (2025), 238224, DOI: 10.1016/j.jpowsour.2025.238224

Monitoring the Structural Changes in Iridium Nanoparticles during Oxygen Evolution Electrocatalysis with Operando X-ray Total Scattering

Rebecca K Pittkowski, Stefanie Punke, Andy S Anker, Aline Bornet, Nicolas Pierre Louis Magnard, Nicolas Schlegel, Laura G Graversen, Jonathan Quinson, Alexandra Dworzak, Mehtap Oezaslan, Jacob JK Kirkensgaard, Marta Mirolo, Jakub Drnec, Matthias Arenz, Kirsten MØ Jensen

Journal of the American Chemical Society, 146 (40), (2024), 27517-27527, DOI: 10.1021/jacs.4c08149

Beyond RDE characterisation–Unveiling IrRu/ATO OER catalyst stability with a GDE setup

Aline Bornet, Simon Pitscheider, Annabelle Maletzko, Nedjeljko Seselj, Erlend Bertheussen, Christoffer M Pedersen, Gustav KH Wiberg, Julia Melke, Christian Kallesøe, Matthias Arenz

Electrochimica Acta, 501, (2024), 144773, DOI: 10.1016/j.electacta.2024.144773

Disentangling the pitfalls of rotating disk electrode-based OER stability assessment: bubble blockage or substrate passivation?

Aline Bornet, Pavel Moreno-García, Abhijit Dutta, Ying Kong, Mike Liechti, Soma Vesztergom, Matthias Arenz, Peter Broekmann

ACS catalysis, 14 (23), (2024), 17331-17346, DOI: 10.1021/acscatal.4c05447

Impact of nickel on iridium-ruthenium structure and activity for the oxygen evolution reaction under acidic conditions

Erlend Bertheussen, Simon Pitscheider, Susan R. Cooper, Rebecca Pittkowski, Katrine L. Svane, Aline Bornet, Erik M. Wisaeus, Kirsten M. Ø. Jensen, Jan Rossmeisl, Matthias Arenz, Christian Kallesøe, Christoffer M. Pedersen

ACS Materials Au, (2024), DOI: 10.1021/acsmaterialsau.4c00025

Catalyst Interaction in Unitized Regenerative Fuel Cells

A. Maletzko, E. D. Gomez Villa, B. Kintzel, H. Fietzek, G. Schmidt, J. Christen, P. Veit, P. Kühne, Aline Bornet, Matthias Arenz, J. Melke

Journal of The Electrochemical Society, 171, (2024), 054523, DOI: 10.1149/1945-7111/ad4e75

(Ni_1-xFe_x)OOH Binary Nanoparticles in as-Prepared and Purified KOH Electrolyte Solutions for Water Splitting

Baiyu Wang, Nicolas Schlegel, Olivia Aalling-Frederiksen, Etienne Berner, Damin Zhang, Rebecca K. Pittkowski, Kirsten M. Ø. Jensen, Matthias Arenz

ACS Applied Nano Materials, 7, (2024), 12345-12355, DOI: 10.1021/acsanm.3c05983

Design and Application of a Gas Diffusion Electrode (GDE) Cell for Operando and In Situ Studies

Gustav K. H. Wiberg, Rebecca K. Pittkowski, Stefanie Punke, Olivia Aalling-Frederiksen, Kirsten M. Ø. Jensen, Matthias Arenz

Chimia, 78, (2024), 344, DOI: 10.2533/chimia.2024.344

Attaining Substantially Enhanced Oxygen Evolution Reaction Rates on Ni Foam Catalysts in a Gas Diffusion Electrode Setup

Etienne Berner, Gustav Karl Henrik Wiberg, Matthias Arenz

Advanced Energy and Sustainability Research, (2024), 2400050, DOI: 10.1002/aesr.202400050

Exploring the High-Entropy Oxide Composition Space: Insights through Comparing Experimental with Theoretical Models for the Oxygen Evolution Reaction

Vladislav A. Mints, Katrine L. Svane, Jan Rossmeisl, Matthias Arenz

ACS Catalysis, 14, (2024), 6936–6944, DOI: 10.1021/acscatal.3c05915

Monitoring the Morphological Changes of Skeleton-PtCo Electrocatalyst during PEMFC Start-Up/Shut-Down probed by in situ WAXS and SAXS

Marek Janssen, Jakub Drnec, Isaac Martens, Jonathan Quinson, Rebecca Pittkowski, Daesung Park, Philipp Weber, Matthias Arenz, Mehtap Oezaslan

ChemSusChem, (2024), e202400303, DOI: 10.1002/cssc.202400303

Recycalyse – New Sustainable and Recyclable Catalytic Materials for Proton Exchange Membrane Electrolysers

Julia Melke, Annabelle Maletzko, Eduardo Daniel Gomez Villa, Aline Bornet, Gustav K. H. Wiberg, Matthias Arenz, Lesia Sandig-Predzymirska, Alexandra Thiere, Alexandros Charitos, Michael Stelter, Zhangqi Wang, Simon Pitscheider, Erlend Bertheussen, Christoffer M. Pedersen, Sára Finsdóttir, Morten S. Kokborg, Daniel G. Berman, Simone Dalvang, Sebastian S. Müller, Fabian Seidel, Nedjeljko Seselj, Martin Höglinger, Stefan Kartusch, Joshua Eder, Marie Macherhammer, Alexander Trattner, Christian Kallesøe

Chemie Ingenieur Technik, 96, (2024), 126-142, DOI: 10.1002/cite.202300143

Optimizing the use of a gas diffusion electrode setup for CO₂ electrolysis imitating a zero-gap MEA design

Shima Alinejad, Jonathan Quinson, Yao Li, Ying Kong, Sven Reichenberger, Stephan Barcikowski, Peter Broekmann, Matthias Arenz

Journal of Catalysis, 429, (2024), 115209, DOI: 10.1016/j.jcat.2023.115209

Physical and Chemical Stability of Nanoparticles in Ferrofluid Before and After Impregnation: Implications for Magnetic Pore Fabric Studies

Andrea R. Biedermann, Martin Mazurek, Johanna Schröder, Matthias Arenz

Geochemistry, Geophysics, Geosystems, 24, (2023), e2023GC011125, DOI: 10.1029/2023GC011125

Formation of intermetallic PdIn nanoparticles: influence of surfactants on nanoparticle atomic structure

Baiyu Wang, Jette K. Mathiesen, Andrea Kirsch, Nicolas Schlegel, Andy S. Anker, Frederik L. Johansen, Emil T. S. Kjær, Olivia Aalling-Frederiksen, Tobias M. Nielsen, Maria S. Thomsen, Rasmus K. Jakobsen, Matthias Arenz, Kirsten M. Ø. Jensen

Nanoscale Advances, 5, (2023), 6913-6924, DOI: 10.1039/D3NA00582H