Preparation and Electrochemical Performance of Carbon-encapsulated NiO Nanoparticles

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	Preparation and Electrochemical Performance of Carbon-encapsulated NiO Nanoparticles
	Zhang Xudong 1,2; Wei Zhiqiang 1,2; Zhao Wenhua 2; Bai Junshan 2; Zhu Xueliang 2; Jiang Jinlong 2
刊名	RARE METAL MATERIALS AND ENGINEERING
	2019-04
卷号	48 期号:4 页码:1304-1309
关键词	supercapacitor carbon-encapsulated NiO core-shell structure electrochemical performance
ISSN号	1002-185X
英文摘要	The core shell structure carbon-encapsulated NiO nanoparticles were prepared by DC arc discharging plasma technology. The microstructure of the samples were studied by X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), X-ray energy dispersive spectrometry (EDS) and surface physical adsorption. The electrochemical performances of the composites as the electrode materials for super-capacitors were investigated by cyclic voltammetry, galvanostatic charging-discharging and electrochemical impedance spectroscopy. The results indicate that the carbon-encapsulated NiO nanoparticles prepared by DC arc plasma technology possess typical core shell structure, the core of the particles is NiO with face centered cubic structure, and the outer shell is disordered carbon layer. The particle morphology exhibit cube structure with uniform particle size and good dispersion. The particle size distribution is in the range of 30 similar to 70 nm, the average particle size is 50 nm, and the thickness of the carbon shell is about 5 nm. The carbon-encapsulated NiO nanoparticles has high specific capacity and good electrochemical activity.
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	中文
出版者	NORTHWEST INST NONFERROUS METAL RESEARCH
WOS记录号	WOS:000467321400043
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/31972]
专题	理学院省部共建有色金属先进加工与再利用国家重点实验室
通讯作者	Wei Zhiqiang
作者单位	1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China 2.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Zhang Xudong,Wei Zhiqiang,Zhao Wenhua,et al. Preparation and Electrochemical Performance of Carbon-encapsulated NiO Nanoparticles[J]. RARE METAL MATERIALS AND ENGINEERING,2019,48(4):1304-1309.
APA	Zhang Xudong,Wei Zhiqiang,Zhao Wenhua,Bai Junshan,Zhu Xueliang,&Jiang Jinlong.(2019).Preparation and Electrochemical Performance of Carbon-encapsulated NiO Nanoparticles.RARE METAL MATERIALS AND ENGINEERING,48(4),1304-1309.
MLA	Zhang Xudong,et al."Preparation and Electrochemical Performance of Carbon-encapsulated NiO Nanoparticles".RARE METAL MATERIALS AND ENGINEERING 48.4(2019):1304-1309.