Electrodeposition of (hydro)oxides for an oxygen evolution electrode

Area of Science:

• Materials Science
• Electrochemistry
• Sustainable Energy

Background:

• Electrochemical water splitting is crucial for hydrogen production but limited by inefficient anodic electrodes for the oxygen evolution reaction (OER).
• Current electrolyzers lack robust and highly active anodic electrodes, hindering efficient water splitting.
• Developing advanced electrode materials is essential for improving hydrogen production and energy conversion.

Purpose of the Study:

• To review recent electrodeposition strategies for metal (hydro)oxide design for OER applications.
• To highlight the advantages of electrodeposition over traditional methods for electrode fabrication.
• To provide insights into the properties, principles, and applications of electrodeposited metal (hydro)oxides in water splitting.

Main Methods:

• Focuses on electrodeposition techniques for synthesizing metal (hydro)oxide electrodes.
• Reviews recent advances in materials structural design and controllable synthesis via electrochemical methods.
• Analyzes the underlying principles and mechanisms of electrodeposited materials in the oxygen evolution reaction.

Main Results:

• Electrodeposition enables the preparation of freestanding OER electrodes with high active site utilization and efficient mass transport.
• This method offers a simple fabrication process attractive for both academic research and commercial applications.
• Recent advances showcase improved structural design, synthesis control, and mechanistic understanding of electrodeposited (hydro)oxides.

Conclusions:

• Electrodeposited metal (hydro)oxides present significant potential for practical application in water splitting devices.
• The review provides new insights into freestanding (hydro)oxide electrodes prepared via electrodeposition.
• This work aims to inspire further research and development in water splitting technology.