What question did this study set out to answer?

The aim is to evaluate the role of molecular catalysts based on earth-abundant metals in oxygen reduction reactions.

May 7, 2026Chemical Communications2 citations

Molecular Catalysts for Oxygen Reduction Reaction Based on Earth Abundant Transition Metals: Progress, Limitations, and Future Opportunities

SRSoumalya Roy SPSudipta Palit SDSourav Das

Key Points

The aim is to evaluate the role of molecular catalysts based on earth-abundant metals in oxygen reduction reactions.
Literature review of current molecular catalysts for ORR
Analysis of limitations of platinum group metals in fuel cells
Assessment of future opportunities for transition metal catalysts
Identified key kinetic bottlenecks in electrochemical energy conversion technologies
Highlighted the potential of earth-abundant transition metals to improve ORR
Exposed limitations of existing catalysts and directed future research opportunities.

Abstract

The oxygen reduction reaction (ORR) remains a central kinetic bottleneck in electrochemical energy conversion technologies, including polymer electrolyte membrane fuel cells and metal air batteries. Although the platinum group metals...

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