气候变化领域集成服务门户(CCPortal): Ultrasonic-assisted synthesis of nickel metal-organic framework for efficient urea removal and water splitting applications

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DOI	10.1016/j.synthmet.2023.117309
	Ultrasonic-assisted synthesis of nickel metal-organic framework for efficient urea removal and water splitting applications
	Eliwa, Ayman S.; Hefnawy, Mahmoud A.; Medany, Shymaa S.; Deghadi, Reem G.; Hosny, Wafaa M.; Mohamed, Gehad G.
发表日期	2023
ISSN	0379-6779
卷号	294
英文摘要	The change in the climate is considered a critical environmental issue that humanity will deal with through the next decade. Herein, the ultrasonic-assisted method prepared the metal-organic framework for several envi-ronmental applications. The Ni-MOF was used as an efficient electrocatalyst for electrochemical urea removal. The prepared materials were characterized by analytical techniques like powder infrared spectroscopy, X-Ray diffraction, scanning electron microscopy, and Brunauer-Emmett-Teller surface area analysis. Several electro-chemical techniques were used to study the activity of Ni-MOF toward urea removals, like cyclic voltammetry, linear sweep voltammetry, chronoamperometry, and electrochemical impedance spectroscopy. The activity of the modified GC/Ni-MOF electrode toward urea oxidation was expressed as a function of current density. Thus, the current density value reached 64 mA cm-2 at a potential of 0.41 V (vs. Ag/AgCl). Many kinetic parameters were studied, like diffusion coefficient (D), surface coverage (Gamma), Tafel slope, and charge transfer coefficient (alpha). Else, the activity of the electrode was investigated toward water splitting. The oxygen evolution was studied in an alkaline medium. Accordingly, the electrode recorded 50 mA cm-2 at the potential of 0.76 and 0.85 V (vs. Ag/ AgCl) for GC/Ni-MOF and GC/NiO, respectively.
英文关键词	Ultrasonic assisted; Urea removal; Nickel-MOF; Water splitting; Electrochemical oxidation
语种	英语
WOS研究方向	Materials Science, Multidisciplinary ; Physics, Condensed Matter ; Polymer Science
WOS类目	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000981281400001
来源期刊	SYNTHETIC METALS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/281466
作者单位	Egyptian Knowledge Bank (EKB); Cairo University; Egyptian Knowledge Bank (EKB); Egypt-Japan University of Science & Technology
推荐引用方式 GB/T 7714	Eliwa, Ayman S.,Hefnawy, Mahmoud A.,Medany, Shymaa S.,et al. Ultrasonic-assisted synthesis of nickel metal-organic framework for efficient urea removal and water splitting applications[J],2023,294.
APA	Eliwa, Ayman S.,Hefnawy, Mahmoud A.,Medany, Shymaa S.,Deghadi, Reem G.,Hosny, Wafaa M.,&Mohamed, Gehad G..(2023).Ultrasonic-assisted synthesis of nickel metal-organic framework for efficient urea removal and water splitting applications.SYNTHETIC METALS,294.
MLA	Eliwa, Ayman S.,et al."Ultrasonic-assisted synthesis of nickel metal-organic framework for efficient urea removal and water splitting applications".SYNTHETIC METALS 294(2023).