Tracing Iridium Dissolution Pathways in Proton Exchange Membrane Water Electrolyzers at Relevant Current Densities in Real Time

Tracing Iridium Dissolution Pathways in Proton Exchange Membrane Water Electrolyzers at Relevant Current Densities in Real Time

Catalyst dissolution is one of the key challenges in achieving long‐term performance in proton exchange membrane water electrolysis with low iridium loading. However, most of the dissolved catalyst remains in the catalyst‐coated membrane, inaccessible for operando quantification. While simpler aqueo...

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Bibliographic Details
Main Authors: Nico C. Röttcher, Jiahua Zhou, Lukas Löttert, Karl J. J. Mayrhofer, Dominik Dworschak
Format: Article
Language:English
Published: Wiley-VCH 2025-07-01
Series:ChemElectroChem
Subjects:
high‐current operation
high‐throughput screening
iridium dissolution
online ICP‐MS
water electrolysis
Online Access:https://doi.org/10.1002/celc.202500098
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https://doi.org/10.1002/celc.202500098

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