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MOF-derived CuCoNi trimetallic hybrids as efficient oxygen evolution reaction electrocatalysts

Abstract

Metal-organic frameworks (MOFs) as the templates can easily form the homogeneous multimetallic materials via metal ion exchange, which have been widely used as electrocatalysts of oxygen evolution reaction (OER) due to synergistic effect of metal ions. Herein, selecting Cu(BDC) as a template, a simple one-step impregnation method was used to prepare CuCoNi trimetallic electrocatalysts, which exhibited an excellent catalytic performance of OER with a low overpotential of 327 mV at a 10 mA·cm-2 current density and a small Tafel slope of 75.7 mV·dec-1. The outstanding OER activity may be attributed to the transformed 2D lamellar morphology, amorphous structure and the synergistic effect of metal species.

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Article information


Submitted
06 Nov 2019
Accepted
14 Jan 2020
First published
14 Jan 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

MOF-derived CuCoNi trimetallic hybrids as efficient oxygen evolution reaction electrocatalysts

J. Ma, B. Lu, S. Wang, W. He, X. Bai, T. Wang, X. Zhang, Y. Li, L. Zhang, J. Chen, F. Meng and Y. Fu, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/C9NJ05562B

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