Modifying MOF Electrocatalysts for Enhanced Oxygen and Hydrogen Evolution Reactions

Area of Science:

• Materials Science
• Electrochemistry
• Sustainable Energy

Background:

• Electrocatalytic water splitting is crucial for sustainable hydrogen production.
• Metal-organic frameworks (MOFs) are emerging as versatile catalysts for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER).

Purpose of the Study:

• To provide a comprehensive review of recent advances in MOF electrocatalysts for water splitting.
• To critically analyze strategies for enhancing MOF catalytic performance and discuss future research directions.

Main Methods:

• Review of rational design and modification strategies for MOF electrocatalysts.
• Analysis of morphology, doping, reconstruction, composite, facet, and defect engineering.
• Highlighting applications in HER, OER, bifunctional catalysis, and alternative oxidation reactions.

Main Results:

• MOFs demonstrate significant potential for both HER and OER catalysis.
• Various engineering strategies effectively enhance the catalytic performance of MOFs.
• Applications span single and bifunctional water splitting and alternative oxidation reactions.

Conclusions:

• MOF electrocatalysts offer a promising avenue for efficient hydrogen production.
• Further research is needed to address challenges in operational stability, mechanistic understanding, and scalable synthesis.
• Bridging the gap between lab research and industrial application is key for next-generation MOF catalysts.