Electronic modulation of Fe–N4 sites by second-shell sulfur for enhanced oxygen reduction electrocatalysis

Jiayun Wu; Xiangxiong Chen; Jing Hu; Dong Qian; Jinlong Liu

doi:10.1039/d6cc02788a

January 1, 2026Chemical Communications

Electronic modulation of Fe–N4 sites by second-shell sulfur for enhanced oxygen reduction electrocatalysis

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Key Points

This research aims to improve oxygen reduction reactions (ORR) using Fe single-atom catalysts modified with sulfur.
Engineered atomically dispersed Fe single-atom catalysts with sulfur as a second-shell modulator.
Evaluated ORR performance and zinc-air battery efficacy.
Observed superior ORR activity compared to traditional configurations.
Demonstrated excellent performance in zinc-air battery applications.

Implication

Demonstrates improved oxygen reduction activity in iron catalysts with sulfur modulation, indicating enhanced battery performance.

Abstract

Atomically dispersed Fe single-atom catalysts are engineered with S as a second-shell environmental modulator rather than a direct ligand. This configuration delivers superior ORR activity and excellent zinc-air battery performance,...

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Cite This Study

Wu et al. (2026) studied this question.

synapsesocial.com/papers/6a28fe9f6f82f25be989be4c https://doi.org/10.1039/d6cc02788a

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Electronic modulation of Fe–N4 sites by second-shell sulfur for enhanced oxygen reduction electrocatalysis

Key Points

Implication

Abstract

Discussion

Cite This Study

Electronic modulation of Fe–N4 sites by second-shell sulfur for enhanced oxygen reduction electrocatalysis

Key Points

Implication

Abstract

Discussion

Cite This Study

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