Issue 69, 2024

The N-anchoring effect in NH2-functionalized MOF-derived iron–carbon nanomaterials for oxygen reduction

Abstract

The incorporation of an iron source into NH2-MOF-5, followed by thermal decomposition, yields a porous metal–carbon catalyst (MOF5A-Fe@NC). This catalyst possesses significant N content, a high degree of graphitization, and abundant Fe–Nx sites, which contribute to enhanced oxygen reduction. Specifically, the obtained MOF5A-Fe@NC demonstrates a positive onset potential (0.972 V), a substantial limiting current density (4.815 mA cm−2), and a small Tafel slope (58.7 mV dec−1), and maintains a high current retention of 96.3% after 10 hours.

Graphical abstract: The N-anchoring effect in NH2-functionalized MOF-derived iron–carbon nanomaterials for oxygen reduction

Supplementary files

Article information

Article type
Communication
Submitted
07 ذو الحجة 1445
Accepted
24 محرم 1446
First published
26 محرم 1446

Chem. Commun., 2024,60, 9250-9253

The N-anchoring effect in NH2-functionalized MOF-derived iron–carbon nanomaterials for oxygen reduction

Y. Shen, L. Mao, R. Lin, Q. Li and J. Qian, Chem. Commun., 2024, 60, 9250 DOI: 10.1039/D4CC02873B

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