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Evaluation of alloys synthesized by mechanical alloying as potential anode materials for lithium-ion batteries

Wachtler, Mario and Schiffini, Liliana and Amadei, Ilaria and Serra Moreno, Judith and Scrosati, Bruno and Cocco, Giorgio (2004) Evaluation of alloys synthesized by mechanical alloying as potential anode materials for lithium-ion batteries. Journal of Metastable and Nanocrystalline Materials, Vol. 20-21 , p. 263-268. ISSN 1422-6375. Article.

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DOI: 10.4028/www.scientific.net/JMNM.20-21.263

Abstract

Several alloys (Mg2Si, Li4Mg2Si, Sn0.66Sb0.34, and Li4Sn0.72Sb0.28) have been synthesized by mechanical alloying and characterized for their performance as anode materials for Li-ion batteries. Sn0.66Sb0.34 shows a better cycling performance than Mg2Si, whose higher initial capacities fade after a few cycles only. The pre-lithiated materials Li4Mg2Si and Li4Sn0.72Sb0.28 give good cycling stabilities, however, at much smaller capacities than exhibited by their unlithiated counterparts.

Item Type:Article
ID Code:2697
Status:Published
Refereed:Yes
Uncontrolled Keywords:Mechanical alloying, SHS, lithium battery, lithium storage alloy
Subjects:Area 03 - Scienze chimiche > CHIM/02 Chimica fisica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:Trans Tech Publications
ISSN:1422-6375
Additional Information:Paper presented at: Metastable, mechanically alloyed and nanocrystalline materials: 10th International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials (ISMANAM), Foz do Iguaçu, Brazil, August 24-28, 2003.
Deposited On:18 Aug 2009 10:08

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