Trimetallic MOF-derived CoFeNi/Z-P NC nanocomposites as efficient catalysts for oxygen evolution reaction

Xudun Shen; Liping Huang; Shuaishuai Li; Longnian Tang; Qiumei Lei; Bowang Zhao; Huilian Hao; Wenyao Li; Min Zeng; Guanjie He

doi:10.1039/d3dt02818f

Trimetallic MOF-derived CoFeNi/Z-P NC nanocomposites as efficient catalysts for oxygen evolution reaction

Dalton Trans. 2023 Dec 5;52(47):17711-17716. doi: 10.1039/d3dt02818f.

Authors

Xudun Shen¹, Liping Huang¹, Shuaishuai Li¹, Longnian Tang¹, Qiumei Lei¹, Bowang Zhao¹, Huilian Hao¹, Wenyao Li^{1

2}, Min Zeng³, Guanjie He²

Affiliations

¹ School of Materials Science and Engineering, Shanghai University of Engineering Science, Shanghai 201620, China. liwenyao314@gmail.com.
² Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK. g.he@ucl.ac.uk.
³ Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai, 200240, PR China. minzeng@sjtu.edu.cn.

PMID: 37902882
DOI: 10.1039/d3dt02818f

Abstract

We used sodium hydroxide-mediated approach and tannic acid etching to prepare hollow structured trimetallic MOF-derived CoFeNi/Z-P NC nanocomposites. Remarkably, the resulting CoFeNi/Z-P NC nanocomposites have large specific surface area and mesoporous structure, making their active sites more accessible and mass transfer more effective. More complex trimetallic components provide greater possibilities for further improving electrocatalytic performance. The CoFeNi/Z-P NC nanocomposites demonstrate notable enhancements for the OER, and 10 mA cm^-2 current density is achieved at a low overpotential of 244 mV, with a low Tafel slope of 66.2 mV dec^-1 and have good stability in alkaline solutions. In addition, as a cathode material for overall alkaline water splitting, CoFeNi/Z-P NC is better than RuO₂ with longer cycling stability.