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Straightforward fabrication of robust Fe–doped Ni3Se2 supported nickel foam as a highly efficient electrocatalyst for oxygen evolution reaction

Abstract

Sluggish kinetics in the reaction of water splitting is the major obstruction. Design and development of noble metal-free, active and bifunctional electrocatalysts are crucial for the oxygen evolution reaction (OER). Transition-metal selenides have been applied to be OER catalyst alternatives to noble metal-based catalysts. Herein, we report that a Fe-doped Ni3Se2 film electrodeposited on a conductive three dimensional macro-porous Ni foam (NF) substrate behaves as a robust electrocatalyst for OER in strongly basic media (1 M, KOH), with good activity over a un-doped counterpart. This catalyst showed excellent performances, exhibiting a 10 mA cm-2 current density at an overpotential of 225 mV and low Tafel slope (35.3 mV dec-1), indicating an enticing prospect in OER.

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Publication details

The article was received on 05 Oct 2019, accepted on 01 Dec 2019 and first published on 02 Dec 2019


Article type: Paper
DOI: 10.1039/C9SE00896A
Sustainable Energy Fuels, 2019, Accepted Manuscript

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    Straightforward fabrication of robust Fe–doped Ni3Se2 supported nickel foam as a highly efficient electrocatalyst for oxygen evolution reaction

    M. Ghaemmaghami, Y. Yamini, E. I. saievar and A. Bayat, Sustainable Energy Fuels, 2019, Accepted Manuscript , DOI: 10.1039/C9SE00896A

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