气候变化领域集成服务门户(CCPortal): Fluoride graphdiyne as a free-standing electrode displaying ultra-stable and extraordinary high Li storage performance

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DOI	10.1039/c8ee01642a
	Fluoride graphdiyne as a free-standing electrode displaying ultra-stable and extraordinary high Li storage performance
	He J.; Wang N.; Yang Z.; Shen X.; Wang K.; Huang C.; Yi Y.; Tu Z.; Li Y.
发表日期	2018
ISSN	17545692
起始页码	2893
结束页码	2903
卷号	11 期号:10
英文摘要	In natural two-dimensional (2D) materials (such as graphene, transition metal dichalcogenides and transition metal carbides), energy and power density are inevitably hindered by Li ion diffusion perpendicular to the compact atomic layer. At the same time, their cycling stability is affected by side reactions due to the large specific surface area and high activity of surface atoms. Here we report the preparation of a new 2D carbon rich framework called fluoride graphdiyne (F-GDY). The experiments, together with theoretical calculations, show that extraordinarily high reversible capacity (1700 mA h g-1) and extremely stable cycle performance (9000 cycles) are achieved by the reversible transition between C-F semi-ionic bonds and ionic bonds at the plateaus of 0.9 V. This bottom-up strategy offers a versatile approach to the rational design of ultra-stable flexible 2D materials through solution-based processability for application in the efficient electrodes of high performance rechargeable batteries. © 2018 The Royal Society of Chemistry.
英文关键词	Carbides; Electrodes; Fluorine compounds; Lithium-ion batteries; Transition metal compounds; Transition metals; Free-standing electrode; High reversible capacities; Large specific surface areas; Reversible transitions; Theoretical calculations; Transition metal carbide; Transition metal dichalcogenides; Two Dimensional (2 D); Lithium; chemical bonding; diffusion; electrode; energy efficiency; energy storage; fluoride; performance assessment
语种	英语
来源期刊	Energy & Environmental Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/190101
作者单位	Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao, 266101, China; Beijing National Laboratory for Molecular Sciences (BNLMS), CAS, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
推荐引用方式 GB/T 7714	He J.,Wang N.,Yang Z.,et al. Fluoride graphdiyne as a free-standing electrode displaying ultra-stable and extraordinary high Li storage performance[J],2018,11(10).
APA	He J..,Wang N..,Yang Z..,Shen X..,Wang K..,...&Li Y..(2018).Fluoride graphdiyne as a free-standing electrode displaying ultra-stable and extraordinary high Li storage performance.Energy & Environmental Science,11(10).
MLA	He J.,et al."Fluoride graphdiyne as a free-standing electrode displaying ultra-stable and extraordinary high Li storage performance".Energy & Environmental Science 11.10(2018).