Solid-solution hexagonal Ni0.5Co0.5Se nanoflakes toward boosted oxygen evolution reaction

Lei Zhu; Yanxin Liao; Yubao Jia; Xin Zhang; Ruguang Ma; Kuikui Wang

doi:10.1039/D0CC05247G

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Solid-solution hexagonal Ni_0.5Co_0.5Se nanoflakes toward boosted oxygen evolution reaction†

Lei Zhu,^ab Yanxin Liao,^a Yubao Jia,^a Xin Zhang,^a Ruguang Ma

*^c and Kuikui Wang

*^ad

Author affiliations

* Corresponding authors

^a Institute of Materials for Energy and Environment, Laboratory of New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
E-mail: kkwang@qdu.edu.cn

^b Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China

^c State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, China
E-mail: maruguang@mail.sic.ac.cn

^d Guangdong Provincial Key Laboratory of Advance Energy Storage Materials, South China University of Technology, Guangzhou 510640, China

Abstract

The oxygen evolution reaction (OER) with sluggish kinetics is a bottleneck for the large-scale application of water electrolysis. Herein, solid-solution hexagonal Ni_0.5Co_0.5Se nanoflakes are designed and successfully synthesized via a facile hydrothermal method with a much lower overpotential of 216 mV at 10 mA cm⁻² and a Tafel slope of 37.08 mV dec⁻¹.

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Article information

DOI: https://doi.org/10.1039/D0CC05247G
Article type: Communication
Submitted: 01 Aug 2020
Accepted: 17 Sep 2020
First published: 17 Sep 2020

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Chem. Commun., 2020,56, 13113-13116

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Solid-solution hexagonal Ni_0.5Co_0.5Se nanoflakes toward boosted oxygen evolution reaction

L. Zhu, Y. Liao, Y. Jia, X. Zhang, R. Ma and K. Wang, Chem. Commun., 2020, 56, 13113 DOI: 10.1039/D0CC05247G

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