Electrocatalysts for the oxygen evolution reaction in acidic media

Y Lin, Y Dong, X Wang, L Chen - Advanced Materials, 2023 - Wiley Online Library
The well‐established proton exchange membrane (PEM)‐based water electrolysis, which
operates under acidic conditions, possesses many advantages compared to alkaline water …

[HTML][HTML] Recent advances in Ru/Ir-based electrocatalysts for acidic oxygen evolution reaction

G Gao, Z Sun, X Chen, G Zhu, B Sun… - Applied Catalysis B …, 2024 - Elsevier
The electrocatalytic process of water splitting offers a promising approach to produce
sustainable hydrogen. However, the slow kinetics of the oxygen evolution reaction (OER) …

Non-iridium-based electrocatalyst for durable acidic oxygen evolution reaction in proton exchange membrane water electrolysis

ZY Wu, FY Chen, B Li, SW Yu, YZ Finfrock, DM Meira… - Nature Materials, 2023 - nature.com
Iridium-based electrocatalysts remain the only practical anode catalysts for proton exchange
membrane (PEM) water electrolysis, due to their excellent stability under acidic oxygen …

Eliminating over-oxidation of ruthenium oxides by niobium for highly stable electrocatalytic oxygen evolution in acidic media

H Liu, Z Zhang, J Fang, M Li, MG Sendeku, X Wang… - Joule, 2023 - cell.com
Proton exchange membrane (PEM) water electrolysis shows advantages including high
current density, high efficiency, and compact configuration but suffers from the scarcity and …

Dynamic rhenium dopant boosts ruthenium oxide for durable oxygen evolution

H **, X Liu, P An, C Tang, H Yu, Q Zhang… - Nature …, 2023 - nature.com
Heteroatom-do** is a practical means to boost RuO2 for acidic oxygen evolution reaction
(OER). However, a major drawback is conventional dopants have static electron …

Iridium single atoms incorporated in Co3O4 efficiently catalyze the oxygen evolution in acidic conditions

Y Zhu, J Wang, T Koketsu, M Kroschel, JM Chen… - Nature …, 2022 - nature.com
Designing active and stable electrocatalysts with economic efficiency for acidic oxygen
evolution reaction is essential for develo** proton exchange membrane water …

Tailored electronic structure of Ir in high entropy alloy for highly active and durable bifunctional electrocatalyst for water splitting under an acidic environment

J Kwon, S Sun, S Choi, K Lee, S Jo, K Park… - Advanced …, 2023 - Wiley Online Library
Proton‐exchange‐membrane water electrolysis (PEMWE) requires an efficient and durable
bifunctional electrocatalyst for the hydrogen evolution reaction (HER) and oxygen evolution …

Reconstructed Ir‒O‒Mo species with strong Brønsted acidity for acidic water oxidation

S Chen, S Zhang, L Guo, L Pan, C Shi, X Zhang… - Nature …, 2023 - nature.com
Surface reconstruction generates real active species in electrochemical conditions; rational
regulating reconstruction in a targeted manner is the key for constructing highly active …

Ir-Sn pair-site triggers key oxygen radical intermediate for efficient acidic water oxidation

X Zheng, J Yang, P Li, Q Wang, J Wu, E Zhang… - Science …, 2023 - science.org
The anode corrosion induced by the harsh acidic and oxidative environment greatly restricts
the lifespan of catalysts. Here, we propose an antioxidation strategy to mitigate Ir dissolution …

Valence oscillation of Ru active sites for efficient and robust acidic water oxidation

L Deng, SF Hung, ZY Lin, Y Zhang, C Zhang… - Advanced …, 2023 - Wiley Online Library
The continuous oxidation and leachability of active sites in Ru‐based catalysts hinder
practical application in proton‐exchange membrane water electrolyzers (PEMWE). Herein …