Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 157, Issue 1, Pages A46-A49Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3254161
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Funding
- Korea Science and Engineering Foundation (KOSEF) [R112002-102-00000-0]
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Intermetallic TiSb2 and Sb/TiC/C nanocomposites were prepared by alloying and dealloying reactions, respectively, and their potential as anode materials for rechargeable Li-ion batteries was investigated. The Sb/TiC/C nanocomposite was composed of nanocrystalline Sb and TiC, which were distributed uniformly in an amorphous carbon matrix. The reaction mechanism of intermetallic TiSb2 with Li was examined by ex situ X-ray diffraction and high resolution transmission electron microscopy. The Sb/TiC/C nanocomposite exhibited good electrochemical performance, such as a high initial coulombic efficiency of 87% and a long cycle retention of 83% after 100 cycles. (C) 2009 The Electrochemical Society. [DOI: 10.1149/1.3254161] All rights reserved.
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