NDLI: Facile synthesis of nano-Li4 Ti5O12 for high-rate Li-ion battery anodes.

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Facile synthesis of nano-Li4 Ti5O12 for high-rate Li-ion battery anodes.

Content Provider	Europe PMC
Author	Jin, Yun-Ho Min, Kyung-Mi Shim, Hyun-Woo Seo, Seung-Deok Hwang, In-Sung Park, Kyung-Soo Kim, Dong-Wan
Copyright Year	2012
Abstract	One of the most promising anode materials for Li-ion batteries, Li4Ti5O12, has attracted attention because it is a zero-strain Li insertion host having a stable insertion potential. In this study, we suggest two different synthetic processes to prepare Li4Ti5O12 using anatase TiO2 nanoprecursors. TiO2 powders, which have extraordinarily large surface areas of more than 250 m2 g-1, were initially prepared through the urea-forced hydrolysis/precipitation route below 100°C. For the synthesis of Li4Ti5O12, LiOH and Li2CO3 were added to TiO2 solutions prepared in water and ethanol media, respectively. The powders were subsequently dried and calcined at various temperatures. The phase and morphological transitions from TiO2 to Li4Ti5O12 were characterized using X-ray powder diffraction and transmission electron microscopy. The electrochemical performance of nanosized Li4Ti5O12 was evaluated in detail by cyclic voltammetry and galvanostatic cycling. Furthermore, the high-rate performance and long-term cycle stability of Li4Ti5O12 anodes for use in Li-ion batteries were discussed.
ISSN	19317573
Journal	Nanoscale Research Letters
Volume Number	7
PubMed Central reference number	PMC3284389
Issue Number	1
PubMed reference number	22222097
e-ISSN	1556276X
DOI	10.1186/1556-276x-7-10
Language	English
Publisher	Springer
Publisher Date	2012-01-05
Access Restriction	Open
Rights License	This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Copyright ©2012 Jin et al; licensee Springer.
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Condensed Matter Physics Materials Science

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