Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 24, Issue -, Pages 89-92Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.08.023
Keywords
Lithium batteries; Composite material; Electrode; Anode; Electrolyte; Binder
Categories
Funding
- ANR programme [ANR-11BS09-009-01]
- ADEME
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We report significant electrochemical performance improvement for micron size TiSnSb negative electrode material for Li-ion batteries when formulated with the carboxymethyl cellulose binder and carbon nanofibres and cycled in fluoro ethylene containing electrolyte. It displays a high capacity of approximately 600 mAh g(-1), a cycle life of more than 400 cycles, and satisfactory rate capability with a capacity of 250 mAh g(-1) even at a rate of 4 Lithium per unit formula in half an hour. TiSnSb could favourably compete with silicon if the practical gravimetric capacity is considered. (C) 2012 Elsevier B.V. All rights reserved.
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