Progress in Manipulating Dynamic Surface Reconstruction via Anion Modulation for Electrocatalytic Water Oxidation.
Zexing He1,2,3, Muhammad Ajmal1,2,3, Minghui Zhang1,2,3
1Key Laboratory for Green Chemical Technology of the Ministry of Education, Institute of Molecular Plus, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|August 8, 2023
Summary
Anion modulation is key to improving electrocatalysts for the oxygen evolution reaction (OER) by controlling surface reconstruction. This strategy enhances catalyst performance for sustainable energy applications.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- Efficient electrocatalysts for the oxygen evolution reaction (OER) are crucial for renewable energy storage and fuel production.
- Sluggish OER kinetics, due to complex proton-electron transfer, limit current system efficiency.
Purpose of the Study:
- To review the role of anion modulation in surface reconstruction for OER electrocatalysts.
- To explore how anions influence catalyst performance and water oxidation activity.
Main Methods:
- Discussion of anion-triggered dynamic surface reconstruction mechanisms.
- Analysis of in situ characterization techniques to study reconstruction.
- Review of the impact of residual anionic groups on catalytic activity.
Main Results:
- Anions dynamically control surface reconstruction in pre-catalysts.
- Surface reconstruction significantly impacts OER performance.
- Residual anions in reconstructed species influence water oxidation activity.
Conclusions:
- Anion modulation is a promising strategy for designing advanced OER electrocatalysts.
- Further research into anion effects can lead to highly efficient and practical water oxidation catalysts.
