Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 564, Issue -, Pages 95-99Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.02.146
Keywords
Lithium-ion batteries; Alloy anode; Brush plating; Energy storage; Electrochemistry
Categories
Funding
- National Research Foundation of Korea (NRF)
- Korea Government Ministry of Education, Science and Technology (MEST) [20100013703]
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We report the application of CoSn2 alloy films deposited by brush electrodeposition as negative electrode, for the first time, in lithium-ion batteries. In this study, we prepared CoSn2 alloy film electrodes by brush electrodeposition on copper foil as a current collector. This technique is very convenient, because of its simplicity and short time process. We characterized the dense structure of the brush-plated CoSn2 alloy film electrodes by XRD, FE-SEM with EDX, and AFM studies. The initial discharge capacity of the electrodes was 336 mA h g (1) which increased to approximately 740 mA h g (1) at the 30th cycle. The charge capacity of 632 mA h g (1) at the 30th cycle corresponds to a coulombic efficiency of 85.4%. Thus, brush-plated CoSn2 alloy film is a promising electrode material for application in new-generation lithium-ion batteries. (C) 2013 Elsevier B.V. All rights reserved.
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