期刊
JOURNAL OF POWER SOURCES
卷 146, 期 1-2, 页码 190-194出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2005.03.113
关键词
nanocomposites; silicon; titanium carbide; anode; lithium-ion batteries
Silicon and titanium carbide (TiC) nanocomposites were synthesized using a high-energy ball-milling technique. X-ray diffraction analyses show that the nanocomposite consists of amorphous silicon and nanocrystalline titanium carbide. The electrochemically inactive TiC working as a buffer matrix successfully prevents Si from cracking/crumbling during the charging/discharging process. The nanocomposite containing 40 mol% silicon obtained after milling for 4 h exhibits a stable capacity of similar to 380 mAh g(-1), suggesting its promising nature in anode materials for the lithium ion battery. (c) 2005 Elsevier B.V. All rights reserved.
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