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Title: SnO2 nanoparticles with controlled carbon nanocoating as high-capacity anode materials for lithium-ion batteries
Authors: Jayaprakash, N.
Chen, Jun Song
Cheah, Yan Ling
Chen, Yuanting
Madhavi, Srinivasan
Yang, Yanhui
Lou, David Xiong Wen
Keywords: DRNTU::Science::Chemistry::Physical chemistry
Issue Date: 2009
Source: Chen, J. S., Cheah, Y. L., Chen, Y., Jayaprakash, N., Madhavi, S., Yang, Y. H., et al. (2009). SnO2 nanoparticles with controlled carbon nanocoating as high-capacity anode materials for lithium-ion batteries. The journal of physical chemistry C, 113(47), 20504-20508.
Series/Report no.: The journal of physical chemistry C
Abstract: We demonstrate a facile route for the scalable synthesis of SnO2 nanoparticles with controlled carbon nanocoating for use as high-capacity anode materials for next-generation lithium-ion batteries. SnO2 nanoparticles with size in the range of 6 −10 nm are produced via a simple hydrothermal method with high yield, which are then encapsulated by a carbon layer through a modified method. The weight fraction of carbon present in the final product can be readily tuned by varying the concentration of glucose used during the hydrothermal coating process. A systematic study has been carried out to examine the effect of carbon content upon lithium-ion battery performance. It is found that the optimized SnO2@carbon nanoparticles manifest excellent lithium storage properties. As an example, SnO2@carbon with 8 wt % carbon can deliver a capacity as high as 631 mA h g^−1 even after 100 charge/discharge cycles at a current drain of 400 mA g^−1.
DOI: 10.1021/jp908244m
Rights: © 2009 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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