Flexible graphene-based lithium ion batteries with ultrafast charge and discharge rates

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	Flexible graphene-based lithium ion batteries with ultrafast charge and discharge rates
	N. Li; Z. P. Chen; W. C. Ren; F. Li; H. M. Cheng
	2012
发表期刊	Proceedings of the National Academy of Sciences of the United States of America
ISSN	0027-8424
卷号	109 期号:43 页码:17360-17365
摘要	There is growing interest in thin, lightweight, and flexible energy storage devices to meet the special needs for next-generation, high-performance, flexible electronics. Here we report a thin, lightweight, and flexible lithium ion battery made from graphene foam, a three-dimensional, flexible, and conductive interconnected network, as a current collector, loaded with Li4Ti5O12 and LiFePO4, for use as anode and cathode, respectively. No metal current collectors, conducting additives, or binders are used. The excellent electrical conductivity and pore structure of the hybrid electrodes enable rapid electron and ion transport. For example, the Li4Ti5O12/graphene foam electrode shows a high rate up to 200 C, equivalent to a full discharge in 18 s. Using them, we demonstrate a thin, lightweight, and flexible full lithium ion battery with a high-rate performance and energy density that can be repeatedly bent to a radius of 5 mm without structural failure and performance loss.
部门归属	[li, na; chen, zongping; ren, wencai; li, feng; cheng, hui-ming] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [li, na] univ sci & technol china, sch chem & mat sci, dept mat sci & engn, hefei 230026, peoples r china.;cheng, hm (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china.;cheng@imr.ac.cn
关键词	Flexible Device Full Battery High-power Storage Devices Electrodes Performance Insertion Paper Cell
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60060
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	N. Li,Z. P. Chen,W. C. Ren,et al. Flexible graphene-based lithium ion batteries with ultrafast charge and discharge rates[J]. Proceedings of the National Academy of Sciences of the United States of America,2012,109(43):17360-17365.
APA	N. Li,Z. P. Chen,W. C. Ren,F. Li,&H. M. Cheng.(2012).Flexible graphene-based lithium ion batteries with ultrafast charge and discharge rates.Proceedings of the National Academy of Sciences of the United States of America,109(43),17360-17365.
MLA	N. Li,et al."Flexible graphene-based lithium ion batteries with ultrafast charge and discharge rates".Proceedings of the National Academy of Sciences of the United States of America 109.43(2012):17360-17365.