Perovskite Oxides Toward Oxygen Evolution Reaction: Intellectual Design Strategies, Properties and Perspectives

Area of Science:

• Materials Science
• Electrochemistry
• Catalysis

Background:

• Intermittent renewable energy sources necessitate efficient electrochemical energy storage and conversion devices.
• The oxygen evolution reaction (OER) is kinetically sluggish, limiting overall device efficiency.
• Perovskite oxides offer cost-effectiveness, catalytic activity, and stability for OER applications.

Purpose of the Study:

• To comprehensively review intellectual design strategies for perovskite oxides to enhance OER efficiency.
• To provide deeper insights into synthetic modulation, doping, surface engineering, structure mutation, and hybrid approaches.
• To bridge the gap in existing literature by focusing on systematic and comparative analyses of perovskite oxide OER catalysts.

Main Methods:

• Systematic review of recent research on perovskite oxide design for OER.
• Comparative analysis of various strategies including synthetic modulation, doping, surface engineering, and hybrid formation.
• Elucidation of structure-property-performance relationships, focusing on electronic structure, M-O bonding, and conductivity.

Main Results:

• Intellectual design strategies significantly enhance OER performance in perovskite oxides.
• Tuning physiochemical properties like electronic structure and M-O bonding is crucial for high catalytic efficiency.
• Various approaches, including doping and surface engineering, effectively improve OER activity and stability.

Conclusions:

• Advanced perovskite oxides are promising for efficient OER, crucial for renewable energy technologies.
• Understanding the causality between material design and OER performance is vital for future development.
• Further research into novel design strategies and applications holds significant potential for energy transition.