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Low-Temperature Conversion (IET-1)
Replication Data for: Cross-plane iridium-based filaments sap efficiency in Proton Exchange Membrane Electrolyzers
Replication Data for: Cross-plane iridium-based filaments sap efficiency in Proton Exchange Membrane Electrolyzers
Version 1.0
Heume, Christine; Javed, Ali; Karyofylli, Violeta; Dzieciol, Krzysztof; Basak, Shibabrata; Poc, Jean-Pierre; Tasdemir, Yasemin; Rutsch, Yannik; Rein, Lukas; Wolf, Niklas; Speer, Sebastian; Jovanovic, Sven; Treutlein, Leander; Borowec, Julian; Hausen, Florian; Dobrenizki, Ladislaus; Malmberg, Stephan; Granwehr, Josef; Kungl, Hans; Jodat, Eva; Geskes, Peter; Karl, André; Schmid, Günter; Eichel, Rüdiger-A,, 2026, "Replication Data for: Cross-plane iridium-based filaments sap efficiency in Proton Exchange Membrane Electrolyzers", https://doi.org/10.26165/JUELICH-DATA/IMZWZM, Jülich DATA, V1
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Description
This repository contains the primary datasets associated with the publication “Cross-plane iridium-based filaments sap efficiency in Proton Exchange Membrane Electrolyzers” (DOI: https://doi.org/10.1016/j.joule.2025.102238). It provides raw and processed data as used in the publication, organized into sub-folders by measurement technique. Each dataset folder includes its own README.txt file describing file formats and instructions for data handling.

The data were collected to investigate an aging phenomenon in PEM electrolysis cell MEAs involving the growth of cross-plane iridium filaments within the membrane, correlated with the porous transport layer design. The aim of the study is to improve efficiency, durability, and large-scale green hydrogen production.

Folder contents (switch to "tree" view to see the folders):

- README.txt: Please read the README.txt file within this folder first. It contains more detailed information of the contents in each sub folder.

- Atomic_Force_Microscopy: AFM data. Please read the READM.txt file within this folder for more information.

- Computational_Model: Computational model data. Please read the READM.txt file within this folder for more information.

- Electrochemical_Impedance_Spectroscopy: Electrochemical impedance data. Please read the READM.txt file within this folder for more information.

- Hydrogen_Permeability: Hydrogen permeability data. Please read the READM.txt file within this folder for more information.

- Polarization_Curves: Polarization curve data. Please read the READM.txt file within this folder for more information.

- Raman_Spectroscopy: Raman spetroscopy data. Please read the READM.txt file within this folder for more information.

- SEM_EDS_TEM: SEM, EDS and TEM data. Please read the READM.txt file within this folder for more information.

Subject Physics; Engineering; Computer and Information Science; Chemistry
Related Publication Heume, Christine, et al. "Cross-plane iridium-based filaments sap efficiency in Proton Exchange Membrane Electrolyzers." Joule 10 (2026): 102238.
Institute IET-1
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1 long filament 0.1mW (B+R) (Sub BG).txt
Data_Repository/Raman_Spectroscopy/long filament/
Plain Text - 6.7 KB - Jan 22, 2026 - 0 Downloads
SHA-256: d171eb8b959535eefe769e8ee7bc4c902a86975b665ddb1c1b3a49c595192e45
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1 long filament 0.1mW (B+R).txt
Data_Repository/Raman_Spectroscopy/long filament/
Plain Text - 6.6 KB - Jan 22, 2026 - 0 Downloads
SHA-256: 6fe3db4617546b96dceede2bd5f2a0a8d3fc0f080cab513b0cc2f655cc80536f
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1 long filament 0.1mW.txt
Data_Repository/Raman_Spectroscopy/long filament/
Plain Text - 27.0 KB - Jan 22, 2026 - 0 Downloads
SHA-256: b0fd5ee4736bc1debf2e39041231fcd243d76786548f6a7cdbec9bf82ea30883
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1 small filament 0.1mW (B+R) (Sub BG).txt
Data_Repository/Raman_Spectroscopy/small filament/
Plain Text - 5.4 KB - Jan 22, 2026 - 0 Downloads
SHA-256: 22d746569606412750134d0f7ff49361082d32c6c339476fb7e12552b0ac237c
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1 small filament 0.1mW (B+R).txt
Data_Repository/Raman_Spectroscopy/small filament/
Plain Text - 5.4 KB - Jan 22, 2026 - 0 Downloads
SHA-256: 89fdd2584036e71755faec85a6d4416a747d4ba03b1fd09e0d4f5118ec453aad
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1 small filament 0.1mW.txt
Data_Repository/Raman_Spectroscopy/small filament/
Plain Text - 27.0 KB - Jan 22, 2026 - 0 Downloads
SHA-256: 9f1b508a1e1443fbbb711722418663a9bc73924c0ab42179f2d68b3425ca607e
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2 long filament 0.5mW (B+R) (Sub BG).txt
Data_Repository/Raman_Spectroscopy/long filament/
Plain Text - 6.7 KB - Jan 22, 2026 - 0 Downloads
SHA-256: bd65e4802b7671a73079243d53cbee1da0a314b0e1ba8f2aa1b86943ec518cf6
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2 long filament 0.5mW (B+R).txt
Data_Repository/Raman_Spectroscopy/long filament/
Plain Text - 6.6 KB - Jan 22, 2026 - 0 Downloads
SHA-256: 505799bf4a4b086c263deef24eadf387f4e522ecf696eb43797f933ca513d711
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2 long filament 0.5mW.txt
Data_Repository/Raman_Spectroscopy/long filament/
Plain Text - 27.0 KB - Jan 22, 2026 - 0 Downloads
SHA-256: 12b5ac879da7d9c7123317dbf73d7641a3ab307f079974210a0489685a28bf09
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2 small filament 0.5mW (B+R) (Sub BG).txt
Data_Repository/Raman_Spectroscopy/small filament/
Plain Text - 5.4 KB - Jan 22, 2026 - 0 Downloads
SHA-256: b2f36426f7d2cc950d82b257cc2a62c56a13a8bd1c6c5ac540f5d37b15533576
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