Essentials of high performance water electrolyzers–from catalyst layer materials to electrode engineering

CV Pham, D Escalera‐López… - Advanced energy …, 2021 - Wiley Online Library
Proton‐exchange membrane water electrolyzers (PEMWEs) will play a key role in future
sustainable hydrogen production for mobility, households or chemical industry. Yet, the …

High efficiency PEM water electrolysis: Enabled by advanced catalysts, membranes, and processes

K Ayers - Current Opinion in Chemical Engineering, 2021 - Elsevier
Hydrogen is a key part of the transition to more sustainable processes, not only as a
possible transportation fuel for passenger cars, buses, and heavy duty trucks, but across …

[HTML][HTML] 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 …, 2021 - Elsevier
Cost and stability remain the greatest technical barriers to sustainably commercialize low-
temperature fuel cells and electrolyzers. For tackling this problem, numerous advanced …

The impact of ink and spray variables on catalyst layer properties, electrolyzer performance, and electrolyzer durability

SM Alia, KS Reeves, JS Baxter… - Journal of The …, 2020 - iopscience.iop.org
In proton exchange membrane-based electrolysis, cell-level performance and durability is
affected not only by individual components, but also by how those components are …

Multi-scale multi-technique characterization approach for analysis of PEM electrolyzer catalyst layer degradation

SF Zaccarine, M Shviro, JN Weker… - Journal of The …, 2022 - iopscience.iop.org
Polymer electrolyte membrane water electrolyzers (PEMWEs) are devices of paramount
importance, enabling the large-scale storage of hydrogen from intermittent renewable …

Control of Ir oxidation states to overcome the trade-off between activity and stability for the oxygen evolution reaction

SW Lee, C Baik, DH Kim, C Pak - Journal of Power Sources, 2021 - Elsevier
To improve the efficiency of polymer electrolyte membrane water electrolyzers (PEMWEs),
catalysts with high activity and stability in the oxygen evolution reaction (OER) have been …

In-situ and in-operando analysis of voltage losses using sense wires for proton exchange membrane water electrolyzers

Z Kang, SM Alia, M Carmo, G Bender - Journal of Power Sources, 2021 - Elsevier
Proton exchange membrane water electrolyzer development requires understanding
processes at the materials and interface levels to reach the required performance and …

Electrolyzer performance loss from accelerated stress tests and corresponding changes to catalyst layers and interfaces

SM Alia, KS Reeves, H Yu, J Park… - Journal of the …, 2022 - iopscience.iop.org
Stress tests are developed for proton exchange membrane electrolyzers that utilize low
catalyst loading, elevated potential, and frequent cycling with square-and triangle-waves to …

Formation of Core‐Shell Ir@TiO2 Nanoparticles through Hydrogen Treatment as Acidic Oxygen Evolution Reaction Catalysts

J Park, E Liu, S Angizi, A Abdellah… - Advanced Functional …, 2024 - Wiley Online Library
The transition to a sustainable energy economy requires the availability of renewably
produced hydrogen through proton exchange membrane water electrolysis. The techno …

Iridium–nickel nanoparticle-based aerogels for oxygen evolution reaction

S Park, N Utsch, M Carmo, M Shviro… - ACS Applied Nano …, 2022 - ACS Publications
Iridium is considered the state-of-the-art electrocatalyst for the oxygen evolution reaction
(OER) in acidic media owing to its considerably high activity and stability, yet it is a raw …