Selective 2e-/4e- Oxygen Reduction Reactions Using Cobalt Porphyrin-Based Electrocatalysts

The oxygen reduction reaction (ORR) is crucial in fuel cells and metal-air batteries. It proceeds via both four-electron and two-electron pathways, producing water and hydrogen peroxide, respectively. Precise control over ORR selectivity is key. Cobalt-based electrocatalysts have become a research hotspot due to their high activity, low cost, and ease of synthesis. High selectivity can be achieved through structural design.

This article focuses on catalysts such as cobalt porphyrins. It reveals key structural factors that provide guidance for the future design of efficient and highly selective molecular and material catalysts.

Reference:

Selective two-electron and four-electron oxygen reduction reactions using Co-based electrocatalystsDOI https://doi.org/10.1039/D4CS01199FSelective 2e-/4e- Oxygen Reduction Reactions Using Cobalt Porphyrin-Based Electrocatalysts

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