Issue 1, 2020

Electron-withdrawing anion intercalation and surface sulfurization of NiFe-layered double hydroxide nanoflowers enabling superior oxygen evolution performance

Abstract

Developing earth-abundant, highly active, and durable electrocatalysts for the oxygen evolution reaction (OER) is of crucial importance for renewable energy conversion processes. Herein, we fabricated novel flower-like NiFe-layered double hydroxide nanostructures with electron-withdrawing anion intercalation and surface sulfurization via a two-step hydrothermal treatment. Benefiting from the dual-modified electronic structure of the surface active sites of NiFe-LDHs, the as-obtained catalyst showed excellent electrocatalytic activity for the OER, only demanding a low overpotential of 259 mV to achieve 10 mA cm−2 in 1.0 M KOH.

Graphical abstract: Electron-withdrawing anion intercalation and surface sulfurization of NiFe-layered double hydroxide nanoflowers enabling superior oxygen evolution performance

Supplementary files

Article information

Article type
Research Article
Submitted
21 Oct 2019
Accepted
16 Nov 2019
First published
18 Nov 2019

Inorg. Chem. Front., 2020,7, 270-276

Electron-withdrawing anion intercalation and surface sulfurization of NiFe-layered double hydroxide nanoflowers enabling superior oxygen evolution performance

Y. Dong, D. Ma, X. Wu and Q. Zhu, Inorg. Chem. Front., 2020, 7, 270 DOI: 10.1039/C9QI01367A

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