Issue 30, 2021

Tuning the electronic structures of self-supported vertically aligned CoFe LDH arrays integrated with Ni foam toward highly efficient electrocatalytic water oxidation

Abstract

Low cost electrodes with high activity and stability are the key to water splitting for green hydrogen production. Herein, an efficient integrated Ni/CoFe LDH array electrocatalyst is synthesized by a one-step electrodeposition strategy. The Ni/CoFe LDH shows splendid electrocatalytic performance for water oxidation, with a low overpotential (324 mV at a 50 mA cm−2 current output), a small Tafel slope (32 mV dec−1), and excellent durability. The improved activity can be attributed to the synergy of the electronic structure fine-tuning and the hydrophilic nanostructured surface.

Graphical abstract: Tuning the electronic structures of self-supported vertically aligned CoFe LDH arrays integrated with Ni foam toward highly efficient electrocatalytic water oxidation

Supplementary files

Article information

Article type
Communication
Submitted
07 May 2021
Accepted
05 Jul 2021
First published
05 Jul 2021

New J. Chem., 2021,45, 13266-13270

Tuning the electronic structures of self-supported vertically aligned CoFe LDH arrays integrated with Ni foam toward highly efficient electrocatalytic water oxidation

M. Li, J. Zhang, X. Li, W. Bao, C. Yang, C. Jin, M. Li, S. Wang and N. Zhang, New J. Chem., 2021, 45, 13266 DOI: 10.1039/D1NJ02229F

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