A LiF Nanoparticle-Modified Graphene Electrode for High-Power and High-Energy Lithium Ion Batteries

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	A LiF Nanoparticle-Modified Graphene Electrode for High-Power and High-Energy Lithium Ion Batteries
	Z. S. Wu ; L. L. Xue ; W. C. Ren ; F. Li ; L. Wen ; H. M. Cheng
刊名	Advanced Functional Materials
	2012
卷号	22 期号:15 页码:3290-3297
关键词	graphene surface modification anodes lithium ion batteries solid electrolyte interphase surface-film formation high-rate capability anode materials high-capacity reversible capacity cyclic performance graphite electrode vinylene carbonate thermal-stability solid-electrolyte
ISSN号	1616-301X
中文摘要	Surface modification of carbon materials plays an important role in tailoring carbon surface chemistry to specify their electrochemical performance. Here, a surface modification strategy for graphene is proposed to produce LiF-nanoparticle-modified graphene as a high-rate, large-capacity pre-lithiated electrode for high-power and high-energy lithium ion batteries. The LiF nanoparticles covering the active sites of the graphene surface provide an extra Li source and act as an effective solid electrolyte interphase (SEI) inhibiter to suppress LiFP6 electrolyte decomposition reactions, affect SEI components, and reduce their thickness. Consequently, the Li-ion diffusion is greatly sped up and the thermodynamic stability of the electrode is significantly improved. This modified graphene electrode shows excellent rate capability and improved first-cycle coulombic efficiency, cycling stability, and ultrahigh power and energy densities accessible during fast charge/discharge processes.
原文出处	://WOS:000307006200022
公开日期	2013-02-05
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/60345]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. S. Wu,L. L. Xue,W. C. Ren,et al. A LiF Nanoparticle-Modified Graphene Electrode for High-Power and High-Energy Lithium Ion Batteries[J]. Advanced Functional Materials,2012,22(15):3290-3297.
APA	Z. S. Wu,L. L. Xue,W. C. Ren,F. Li,L. Wen,&H. M. Cheng.(2012).A LiF Nanoparticle-Modified Graphene Electrode for High-Power and High-Energy Lithium Ion Batteries.Advanced Functional Materials,22(15),3290-3297.
MLA	Z. S. Wu,et al."A LiF Nanoparticle-Modified Graphene Electrode for High-Power and High-Energy Lithium Ion Batteries".Advanced Functional Materials 22.15(2012):3290-3297.