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Issue 68, 2019
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An advanced FeCoNi nitro-sulfide hierarchical structure from deep eutectic solvents for enhanced oxygen evolution reaction

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Abstract

A tri-metal material system of FeCoNi-based nitro-sulfide (FeCoNi-NS) hierarchical structure has been successfully synthesized via a deep eutectic solvent annealing process. The as-prepared FeCoNi-NS possesses interesting N,S-binary heteroatoms evenly doped with Fe, Co, and Ni. By taking advantage of the unique structure including multi-metal sites, high BET area and porous structures, the as-prepared FeCoNi-NS exhibited excellent oxygen evolution reaction (OER) performance, achieving a current density of 10 mA cm−2 at an overpotential of 251 mV and a low Tafel slope of 58 mV dec−1 in 1 M KOH. Furthermore, FeCoNi-NS also demonstrated highly efficient mass/charge transportation, long-term stability with 2% deactivation after ten hours continuous operation and high faradaic efficiency of 98%. Such a facile synthetic strategy is applicable to the fabrication of more mutil-metal hierarchical structures for energy conversion and storage.

Graphical abstract: An advanced FeCoNi nitro-sulfide hierarchical structure from deep eutectic solvents for enhanced oxygen evolution reaction

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Publication details

The article was received on 13 Jul 2019, accepted on 30 Jul 2019 and first published on 30 Jul 2019


Article type: Communication
DOI: 10.1039/C9CC05389A
Chem. Commun., 2019,55, 10174-10177

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    An advanced FeCoNi nitro-sulfide hierarchical structure from deep eutectic solvents for enhanced oxygen evolution reaction

    J. Jiang, L. Chang, W. Zhao, Q. Tian and Q. Xu, Chem. Commun., 2019, 55, 10174
    DOI: 10.1039/C9CC05389A

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