Highly active hollow mesoporous NiFeCr hydroxide as an electrode material for the oxygen evolution reaction and a redox capacitor

Ding Zhang; Zhaoguang Yang; Ying Yang; Haipu Li; Xiujuan Wang

doi:10.1039/D0CC05421F

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Highly active hollow mesoporous NiFeCr hydroxide as an electrode material for the oxygen evolution reaction and a redox capacitor†

Ding Zhang,^ab Zhaoguang Yang,^ab Ying Yang,

*^a Haipu Li

*^ab and Xiujuan Wang^ab

Author affiliations

* Corresponding authors

^a College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
E-mail: yangy@csu.edu.cn

^b Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, Changsha 410083, P. R. China
E-mail: lihaipu@csu.edu.cn

Abstract

A hollow mesoporous trimetallic NiFeCr hydroxide electrode is prepared via a four-step procedure involving the fast electrodeposition of an Ni/Cr/Fe alloy onto a nickel foam substrate, followed by dealloying, oxidation, and activation. The title electrode shows an ultralow onset overpotential of 210 mV for the oxygen evolution reaction and a high specific capacity of 1768 F g⁻¹ as a redox capacitor.

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Article information

DOI: https://doi.org/10.1039/D0CC05421F
Article type: Communication
Submitted: 09 Aug 2020
Accepted: 10 Nov 2020
First published: 10 Nov 2020

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Chem. Commun., 2020,56, 15549-15552

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Highly active hollow mesoporous NiFeCr hydroxide as an electrode material for the oxygen evolution reaction and a redox capacitor

D. Zhang, Z. Yang, Y. Yang, H. Li and X. Wang, Chem. Commun., 2020, 56, 15549 DOI: 10.1039/D0CC05421F

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Chemical Communications

Highly active hollow mesoporous NiFeCr hydroxide as an electrode material for the oxygen evolution reaction and a redox capacitor†

Abstract

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Highly active hollow mesoporous NiFeCr hydroxide as an electrode material for the oxygen evolution reaction and a redox capacitor

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