Addressing the Carbonate Issue: Electrocatalysts for Acidic CO2 Reduction Reaction

W Wu, L Xu, Q Lu, J Sun, Z Xu, C Song… - Advanced …, 2025 - Wiley Online Library
Electrochemical CO2 reduction reaction (CO2RR) powered by renewable energy provides a
promising route to CO2 conversion and utilization. However, the widely used …

Investigation of iridium-based OER catalyst layers in a GDE half-cell setup: Opportunities and challenges

M Geuß, M Milosevic, M Bierling, L Löttert… - Journal of The …, 2023 - iopscience.iop.org
To achieve widespread commercialization of proton exchange membrane (PEM) water
electrolyzers, the optimization of iridium (Ir) utilization is crucial. Traditional full-cell-based …

Benchmarking electrocatalyst stability for acidic oxygen evolution reaction: The crucial role of dissolved ion concentration

C Wei, Z Wang, K Otani, D Hochfilzer, K Zhang… - ACS …, 2023 - ACS Publications
Develo** robust catalysts for the acidic oxygen evolution reaction (OER) is critical for large-
scale implementation of proton exchange membrane (PEM) water electrolyzers. A promising …

Quantification of Iridium Dissolution at Water Electrolysis Relevant Conditions Using a Gas Diffusion Electrode Half-Cell Setup

M Geuß, L Löttert, T Böhm, A Hutzler… - ACS …, 2024 - ACS Publications
Recently, attempts have been made to understand and quantify Ir dissolution in application-
relevant single-cell electrolyzers. While obtaining crucial insights, these studies are …

Standardizing OER Electrocatalyst Benchmarking in Aqueous Electrolytes: Comprehensive Guidelines for Accelerated Stress Tests and Backing Electrodes

M Zlatar, D Escalera-López, MG Rodríguez… - ACS …, 2023 - ACS Publications
The scarcity of iridium, needed to catalyze the sluggish oxygen evolution reaction (OER),
hinders large-scale hydrogen production with proton exchange membrane water …

Bridging gaps between lab-and fab-oriented anode design for proton exchange membrane water electrolyzers

J Xu, Y Yang, H **, Y Zheng, SZ Qiao - Chem, 2025 - cell.com
Rationally designing anode electrocatalysts is crucial for advancing next-generation proton
exchange membrane water electrolyzers (PEMWEs). However, the most developed oxygen …

Design of PEM water electrolysers with low iridium loading

C Wang, K Lee, CP Liu, D Kulkarni… - International …, 2024 - journals.sagepub.com
To enable gigawatt-scale deployment of proton exchange membrane water electrolysers
(PEMWEs), drastic reductions from current iridium loadings of 2–3 mgIr cm− 2 to less than …

[HTML][HTML] Oxygen flow rate measurement as a whistleblower for degradation effects in PEM water electrolysis

M Stähler, A Burdzik, I Friedrich, A Everwand… - International Journal of …, 2024 - Elsevier
This study introduces analyzes a slow-growing degradation effect that can occur when using
thin catalyst-coated membranes for PEM water electrolysis. The electric current through a …

Proton Exchange Membrane (PEM) Water Electrolysis: Cell-Level Considerations for Gigawatt-Scale Deployment

CR Wang, JM Stansberry, R Mukundan… - Chemical …, 2025 - ACS Publications
Hydrogen produced with no greenhouse gas emissions is termed “green hydrogen” and will
be essential to reaching decarbonization targets set forth by nearly every country as per the …

Stability of Carbon Supported Silver Electrocatalysts for Alkaline Oxygen Reduction and Evolution Reactions

JM Linge, V Briega-Martos, A Hutzler… - ACS Applied Energy …, 2023 - ACS Publications
Ag-based electrocatalysts are promising candidates to catalyze the sluggish oxygen
reduction reaction (ORR) in anion exchange membrane fuel cells (AEMFC) and oxygen …