Nanostructured Si/TiB[sub 2] Composite Anodes for Li-Ion Batteries
Authors:
- 1 January 2003
- journal article
- Published by The Electrochemical Society in Electrochemical and Solid-State Letters
- Vol. 6 (8) , A157-A161
Abstract
Silicon and titanium boride nanocomposites were synthesized using high-energy mechanical milling. The nanocomposites obtained after mechanical milling consist of amorphous silicon and nanocrystalline titanium boride. The nanocomposite containing 40 mol % silicon obtained after milling for 20 h exhibits a stable capacity of X-ray diffraction and scanning electron microscopy analyses indicated that the nanocomposite retains its initial phase and microstructure during electrochemical cycling. Premilling of the inactive component appears to increase the stability of the capacity of the nanocomposite electrodes due to a probable homogeneous distribution of the induced stress during cycling. © 2003 The Electrochemical Society. All rights reserved.Keywords
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