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
13 Jan 2024
Accepted
30 Upu 2024
First published
01 Pha 2024

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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