Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 3, Pages 4586-4593Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.11.156
Keywords
Tin; Carbon nanosheets; Ball milling; Anode material; Lithium ion battery
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Funding
- National Natural Science Foundation of China [21473042, 51364004, 51474077, 51474110]
- Guangxi Natural Science Foundation [2012GXNSFAA053214]
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A facile and scalable strategy is developed to fabricate carbon nanosheetS encapsulated Sn/SnOx nanoparticles as anode material for lithium ion battery. In the constructed architecture, the carbon nanosheets can effectively not only avoid the direct exposure of Sn/SnOx to the electrolyte but also suppress the aggregation of nanoparticles and buffer the volume expansion during the charge and discharge process. Electrochemical measurements demonstrated that the Sn/SnOx/C composite delivered a reversible capacity of 577 mA h g(-1) at a current density of 500 mA g(-1) after 200 cycles. Even at a very high current density of 5 A g(-1), a specific capacity of 385 mA h g(-1) was also obtained. These outstanding results suggest the Sn/SnOx/C composite as a promising anode material for high-performance lithium ion battery. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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