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Crystalline Sb–Cu alloy films as anode materials for Li-ion rechargeable batteries
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Ramasamy, Gnanamuthu , Jo, Yong Nam and Lee, Chang Woo (2013) Crystalline Sb–Cu alloy films as anode materials for Li-ion rechargeable batteries. Current Applied Physics, Volume 13 (Number 7). pp. 1454-1458. doi:10.1016/j.cap.2013.04.029 ISSN 1567-1739.
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Official URL: http://dx.doi.org/10.1016/j.cap.2013.04.029
Abstract
A crystalline Sb–Cu alloy is investigated for use in Li-ion rechargeable batteries, and its structural, electrochemical and thermal properties are characterized. A pulse electrodeposition method is used to prepare Sb–Cu alloy film on Cu foil as a negative electrode. The structure of the alloy film electrode is characterized using XRD, FE-SEM and EDX. The electrochemical behavior of the Sb–Cu alloy film is investigated at the current rate of 0.1C to the cut-off potential range of 1.8 and 0.01 V vs. Li/Li+. Our experimental results demonstrate that the initial discharge capacity is 850 mAh g−1 and that the discharge capacity increases to 1034 mAh g−1 at the end of the 30th cycle with a stable cycle life. The Coulombic efficiency is approximately 83.5% with good cyclability. Moreover, the crystalline Sb–Cu alloy film has relatively low exothermic properties, and it may be an interesting candidate for use in the negative electrodes of Li-ion 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: | Current Applied Physics | ||||||||||
Publisher: | Elsevier | ||||||||||
ISSN: | 1567-1739 | ||||||||||
Official Date: | September 2013 | ||||||||||
Dates: |
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Volume: | Volume 13 | ||||||||||
Number: | Number 7 | ||||||||||
Page Range: | pp. 1454-1458 | ||||||||||
DOI: | 10.1016/j.cap.2013.04.029 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access |
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