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Development of high energy capacities of nanoscaled Sn–Cu alloy thin film electrode materials for Li-ion batteries
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Ramasamy, Gnanamuthu , Mohan, S. and Lee, Chang Woo (2012) Development of high energy capacities of nanoscaled Sn–Cu alloy thin film electrode materials for Li-ion batteries. Materials Letters, Volume 84 . pp. 101-103. doi:10.1016/j.matlet.2012.06.049 ISSN 0167-577X.
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Official URL: http://dx.doi.org/10.1016/j.matlet.2012.06.049
Abstract
A nanoscaled Sn–Cu alloy film material is intended to improve charge–discharge capacities with respect to the negative electrode in Li-ion batteries. Sn–Cu alloy film electrodes are prepared using sulfate electrolyte by a pulse current plating method. Pulse duty cycles of 10% at a frequency of 10 Hz with a peak current density 1 A dm−2 are employed. The electrochemical discharge–charge capacities of the lithium insertion process and the reversible charging process are 1058 mA h g−1 and 612 mA h g−1 in the initial cycling, respectively. Also, Coulombic efficiency was 87.2% at the end of the 30th cycle. Thus, nanoscaled Sn–Cu alloy film electrodes are good candidates for anode material in Li-ion rechargeable batteries.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||
Journal or Publication Title: | Materials Letters | ||||||||||
Publisher: | Elsevier BV | ||||||||||
ISSN: | 0167-577X | ||||||||||
Official Date: | 1 October 2012 | ||||||||||
Dates: |
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Volume: | Volume 84 | ||||||||||
Page Range: | pp. 101-103 | ||||||||||
DOI: | 10.1016/j.matlet.2012.06.049 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access |
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