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	Self-assembled 3D hierarchical nanostructure of reduced GO nanosheets intercalated with CDs for high-rate supercapacitor electrodes
	Wang, Meiling1; Han, Fangming1
	2017-12-15
发表期刊	JOURNAL OF ALLOYS AND COMPOUNDS
摘要	A simple hydrothermal method for the preparation of 3D net-work hierarchical nanostructures consisting of carbon dots (CDs) intercalated between reduced graphene oxide (GO) nanosheets (denoted as CDs@rGONS) is demonstrated in this work. The incorporation of CDs as nano-spacers has effectively preventing aggregations of the rGONS, and at the same time greatly improved the reduction efficiency of the GO, both of which obviously enhance the electrochemical performance of the hierarchical nanostructures. Simple supercapacitors were assembled using the samples with different CDs/GO mass ratios, and it was proved that for the sample obtained with a CDs/GO mass ratio of 0.6 (denoted as CDs@rGONS(0.6)), a high specific capacitance of 239 F/g was obtained according to the CV curves. Moreover, a high energy density of 24 Wh/kg at 1 A/g and a high power density of 15.8 kW/kg at 10 A/g were obtained respectively, both of which are much higher than those without the presence of CDs. The good cycle stability (92.1% capacitance retention after 11500 cycles) of the sample was studied too. These excellent electrochemical performances proved their potential energy storage applications. (C) 2017 Elsevier B.V. All rights reserved.
文章类型	Article
关键词	Graphene Nanosheets Carbon Dots Supercapacitor
WOS标题词	Science & Technology ; Physical Sciences ; Technology
DOI	10.1016/j.jallcom.2017.08.229
关键词[WOS]	SOLID-STATE SUPERCAPACITORS ; CARBON SPHERES ; GRAPHENE ; PERFORMANCE ; NANOPARTICLES ; FILMS ; FLUORESCENCE ; HYDROGELS ; NITROGEN ; DOTS
收录类别	SCI
语种	英语
项目资助者	National Natural Science Foundation of China(21307138 ; National Natural Science Foundation of China(21307138 ; National Natural Science Foundation of China(21307138 ; National Natural Science Foundation of China(21307138 ; 51372247) ; 51372247) ; 51372247) ; 51372247)
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000412712900117
引用统计	被引频次：7[WOS]   [WOS记录]     [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/33796
专题	中科院固体物理研究所
作者单位	1.Chinese Acad Sci, Inst Solid State Phys, CAS Ctr Excellence Nanosci, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China 2.Chinese Acad Sci, Inst Solid State Phys, Anhui Key Lab Nanomat & Nanotechnol, Hefei 230031, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Wang, Meiling,Han, Fangming. Self-assembled 3D hierarchical nanostructure of reduced GO nanosheets intercalated with CDs for high-rate supercapacitor electrodes[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,727(无):991-997.
APA	Wang, Meiling,&Han, Fangming.(2017).Self-assembled 3D hierarchical nanostructure of reduced GO nanosheets intercalated with CDs for high-rate supercapacitor electrodes.JOURNAL OF ALLOYS AND COMPOUNDS,727(无),991-997.
MLA	Wang, Meiling,et al."Self-assembled 3D hierarchical nanostructure of reduced GO nanosheets intercalated with CDs for high-rate supercapacitor electrodes".JOURNAL OF ALLOYS AND COMPOUNDS 727.无(2017):991-997.

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