A Hierarchical CuO Nanowire@CoFe-Layered Double Hydroxide Nanosheet Array as a High-Efficiency Seawater Oxidation Electrocatalyst.

Xiya Yang,Chaoxin Yang,Jie Chen,Asmaa Farouk,Xuping Sun,Zhaogang Ren,Xun He,Dongdong Zheng,Zhengwei Cai,Qian Liu,Shengjun Sun,Mohamed S Hamdy,Lang He,Longcheng Zhang

doi:10.3390/molecules28155718

A Hierarchical CuO Nanowire@CoFe-Layered Double Hydroxide Nanosheet Array as a High-Efficiency Seawater Oxidation Electrocatalyst.

Xiya Yang, Chaoxin Yang + Show 12 more

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https://doi.org/10.3390/molecules28155718

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Journal: Molecules (Basel, Switzerland)	Publication Date: Jul 28, 2023
License type: CC BY 4.0

Affiliation: Shandong Normal University, University of Electronic Science and Technology of China, King Khalid University, China West Normal University, Chengdu University

#Double Hydroxide Nanosheet Array #Oxygen Evolution Reaction Electrocatalytic Activity + Show 8 more

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Abstract

Seawater electrolysis has great potential to generate clean hydrogen energy, but it is a formidable challenge. In this study, we report CoFe-LDH nanosheet uniformly decorated on a CuO nanowire array on Cu foam (CuO@CoFe-LDH/CF) for seawater oxidation. Such CuO@CoFe-LDH/CF exhibits high oxygen evolution reaction electrocatalytic activity, demanding only an overpotential of 336 mV to generate a current density of 100 mA cm-2 in alkaline seawater. Moreover, it can operate continuously for at least 50 h without obvious activity attenuation.

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