Mesoporous carbon-coated Li4Ti5O12 spheres for fast Li+ ion insertion/deinsertion in lithium battery anodes

被引：11
|
作者：
Jayaprakash N. [1 ]
Moganty S.S. [1 ]
Lou X.W. [2 ]
Archer L.A. [1 ]
机构：
[1] School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, 14853-5201, NY
[2] School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore
来源：
Applied Nanoscience | 2011年 / 1卷 / 1期
关键词：
C@Li[!sub]4[!/sub]Ti[!sub]5[!/sub]O[!sub]12[!/sub; Electrochemical study; Lithium battery anode; Pitch;
D O I：
10.1007/s13204-011-0001-8
中图分类号：
学科分类号：
摘要：
We report on synthesis and electrochemical properties of a family of carbon-coated, mesoporous lithium titanate nanostructures (C@Li4Ti5O12). Synthesized using a scalable solvothermal approach employing low-cost petroleum pitch as the carbon source, the nanostructured C@Li4Ti5O12 materials manifest exceptional capacity to reversibly intercalate/de-intercalate lithium at both low and high charge rates. The combination of fast electrolyte and ion transport made possible in the inherently zero-strain material, Li4Ti5O12, is thought to be responsible for our observations. © 2011, The Author(s).
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页码：7 / 11
页数：4
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