Journal
ELECTROCHIMICA ACTA
Volume 55, Issue 24, Pages 7310-7314Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.07.015
Keywords
Anode; Electroless tin plating; Copper foam; Cycleability; Lithium-ion battery
Categories
Funding
- Major State Basic Research Development Program of China (973 Program) [2009CB220100]
- Science and Technology Commission of Shanghai municipality, China [08DZ2270500]
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A binder-free three-dimensional (3D) porous Cu6Sn5 anode was prepared for lithium-ion batteries. In this novel approach, tin was deposited by electroless-plating on copper foam which was served as anode current collector as well as the source of copper for Cu6Sn5 alloy formation With optimized post-treatment condition. Cu6Sn5 alloy with thickness of 1 2 mu m was formed on the surface of copper foam network 3D porous Sn-Cu6Sn5 and Cu3Sn-Cu10Sn3-Cu6Sn5 composite anodes were also prepared for comparison Electrochemical tests showed that 3D porous Cu6Sn5 anode exhibits the best electrochemical performance in terms of specific capacitance and cycleability, which delivers a rechargeable capacity of 404 mAh g(-1) over 100 cycles (C) 2010 Elsevier Ltd All rights reserved
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