What question did this study set out to answer?

The research aims to develop a stable electrocatalyst for acidic water oxidation to improve efficiency in proton exchange membrane water electrolyzers.

July 12, 2026Advanced Energy Materials

Surface Iridium Single‐Atom Engineering Enables a Highly Stable RuO 2 Catalyst for Efficient Acidic Water Oxidation

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Authors

RCRuyi Cheng JFJia Fu LSLei Shi

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Overview

Randomized trial demonstrates durable acidic water oxidation in PEMWE, highlighting a new strategy for green hydrogen production.

Key Points

The research aims to develop a stable electrocatalyst for acidic water oxidation to improve efficiency in proton exchange membrane water electrolyzers.
Developed a KCl-etching strategy to embed iridium single atoms in RuO2
Conducted in situ electrochemical spectroscopy for analysis
Tested the performance of the Ir SAC-G-RuO2 catalyst under acidic conditions
Ir SAC-G-RuO2 catalyst shows excellent OER activity with an overpotential of 189 mV at 10 mA cm−2
Achieved negligible degradation over 1000 hours at 50 mA cm−2
A PEMWE with the catalyst maintained 1.0 A cm−2 at 1.61 V for 200 hours

Cite This Study

Cheng et al. (2026) studied this question.

synapsesocial.com/papers/6a53315f4f7abc118aded8bd https://doi.org/10.1002/aenm.71254

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July 12, 2026Advanced Energy Materials

Surface Iridium Single‐Atom Engineering Enables a Highly Stable RuO 2 Catalyst for Efficient Acidic Water Oxidation

View Full Paper

Ask AI

Bookmark

Authors

RCRuyi Cheng JFJia Fu LSLei Shi

Discussion

Member takes

Overview

Randomized trial demonstrates durable acidic water oxidation in PEMWE, highlighting a new strategy for green hydrogen production.

Key Points

The research aims to develop a stable electrocatalyst for acidic water oxidation to improve efficiency in proton exchange membrane water electrolyzers.
Developed a KCl-etching strategy to embed iridium single atoms in RuO2
Conducted in situ electrochemical spectroscopy for analysis
Tested the performance of the Ir SAC-G-RuO2 catalyst under acidic conditions
Ir SAC-G-RuO2 catalyst shows excellent OER activity with an overpotential of 189 mV at 10 mA cm−2
Achieved negligible degradation over 1000 hours at 50 mA cm−2
A PEMWE with the catalyst maintained 1.0 A cm−2 at 1.61 V for 200 hours

Cite This Study

Cheng et al. (2026) studied this question.

synapsesocial.com/papers/6a53315f4f7abc118aded8bd https://doi.org/10.1002/aenm.71254

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