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Solvent dispersion triggered the formation of NiFe-gel as an efficient electrocatalyst for enhancing the oxygen evolution reaction

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Abstract

The inexpensive metal-based electrocatalysts with large surface areas are in high demand to overcome the sluggish kinetics of the anodic oxygen evolution reaction (OER) in electrocatalytic water splitting. Here we report that a series of NiFe based gels were prepared by a solvent dispersion triggered gelation method, where Ni2Fe-gel exhibits a specific surface area of 216.9 m2 g−1, and a low overpotential of 245 mV at 10 mA cm−2 in an alkaline electrolyte.

Graphical abstract: Solvent dispersion triggered the formation of NiFe-gel as an efficient electrocatalyst for enhancing the oxygen evolution reaction

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Article information


Submitted
31 Jan 2020
Accepted
10 Jun 2020
First published
11 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Solvent dispersion triggered the formation of NiFe-gel as an efficient electrocatalyst for enhancing the oxygen evolution reaction

H. Wang, W. Zhu, Q. Xue, C. Wang and K. Liu, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC00814A

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