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The Effect of CoSn/CoSn2 phase ratio on the electrochemical behaviour of Sn40Co40C20 ternary alloy electrodes in lithium cells

Hassoun, Jusef and Ochal, P. and Panero, Stefania and Mulas, Gabriele Raimondo Celestino and Bonatto Minella, Christian and Scrosati, Bruno (2008) The Effect of CoSn/CoSn2 phase ratio on the electrochemical behaviour of Sn40Co40C20 ternary alloy electrodes in lithium cells. Journal of Power Sources, Vol. 180 (1), p. 568-575. ISSN 0378-7753. Article.

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DOI: 10.1016/j.jpowsour.2008.01.059

Abstract

Samples of a SnCoC-based electrodes, all having the molar composition Sn40Co40C20, but differing by the high energy ball milling synthesis conditions, have been tested in lithium cells. The investigation was carried out by using a series of complementary techniques, including potentiodynamic cycling with galvanostatic acceleration, galvanostatic charge–discharge cycling and impedance spectroscopy. The results confirmed the high capacity delivery of this type of ternary electrodes but also revealed that their electrochemical behaviour is influenced by the relative abundance of the nanosized domains of CoSn and CoSn2 in their structure.

Item Type:Article
ID Code:1974
Status:Published
Refereed:Yes
Uncontrolled Keywords:Tin, alloy, ternary, electrode, lithium, battery
Subjects:Area 03 - Scienze chimiche > CHIM/02 Chimica fisica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:Elsevier
ISSN:0378-7753
Deposited On:18 Aug 2009 10:06

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