Torsion strained iridium oxide for efficient acidic water oxidation in proton exchange membrane electrolyzers

S Hao, H Sheng, M Liu, J Huang, G Zheng… - Nature …, 2021 - nature.com
Acidic oxygen evolution reaction is crucial for practical proton exchange membrane water
splitting electrolysers, which have been hindered by the high catalytic overpotential and high …

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 …

Significantly enhanced overall water splitting performance by partial oxidation of Ir through Au modification in core–shell alloy structure

H Wang, Z Chen, D Wu, M Cao, F Sun… - Journal of the …, 2021 - ACS Publications
Develo** efficient bifunctional electrocatalysts for overall water splitting in acidic
conditions is the essential step for proton exchange membrane water electrolyzers …

Breaking long-range order in iridium oxide by alkali ion for efficient water oxidation

J Gao, CQ Xu, SF Hung, W Liu, W Cai… - Journal of the …, 2019 - ACS Publications
Oxygen electrochemistry plays a critical role in clean energy technologies such as fuel cells
and electrolyzers, but the oxygen evolution reaction (OER) severely restricts the efficiency of …

Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis

X Duan, Q Sha, P Li, T Li, G Yang, W Liu, E Yu… - Nature …, 2024 - nature.com
Seawater electrolysis offers a renewable, scalable, and economic means for green
hydrogen production. However, anode corrosion by Cl-pose great challenges for its …

Highly active and stable amorphous IrOx/CeO2 nanowires for acidic oxygen evolution

W Gou, Z **a, X Tan, Q Xue, F Ye, S Dai, M Zhang, R Si… - Nano Energy, 2022 - Elsevier
Abstract Development of highly active and durable electrocatalysts for acidic oxygen
evolution reaction (OER) remains an unresolved grand challenge. Here, we reported the …

Identification of the Active-Layer Structures for Acidic Oxygen Evolution from 9R-BaIrO3 Electrocatalyst with Enhanced Iridium Mass Activity

N Li, L Cai, C Wang, Y Lin, J Huang… - Journal of the …, 2021 - ACS Publications
Iridium-based perovskites show promising catalytic activity for oxygen evolution reaction
(OER) in acid media, but the iridium mass activity remains low and the active-layer structures …

A highly active and stable 3D dandelion spore-structured self-supporting Ir-based electrocatalyst for proton exchange membrane water electrolysis fabricated using …

KR Yeo, KS Lee, H Kim, J Lee, SK Kim - Energy & Environmental …, 2022 - pubs.rsc.org
Proton exchange membrane water electrolysis (PEMWE), the most energy-efficient low-
temperature electrolysis method, is promising for converting intermittent renewable energies …

Phase-and surface composition-dependent electrochemical stability of Ir-Ru nanoparticles during oxygen evolution reaction

D Escalera-López, S Czioska, J Geppert… - ACS …, 2021 - ACS Publications
The increasing scarcity of iridium (Ir) and its rutile-type oxide (IrO2), the current state-of-the-
art oxygen evolution reaction (OER) catalysts, is driving the transition toward the use of …

Precise strain tuning boosts electrocatalytic hydrogen generation

H Guo, L Li, Y Chen, W Zhang, C Shang… - Advanced …, 2023 - Wiley Online Library
Strain engineering has been utilized as an effective approach to regulate the binding of
reaction intermediates and modify catalytic behavior on noble metal nanocatalysts …