期刊
JOURNAL OF POWER SOURCES
卷 217, 期 -, 页码 351-357出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2012.05.072
关键词
Tin oxide; Carbon nanofibers; Lithium-ion battery; Anode materials
资金
- National Natural Science Foundation of China [60976012]
- Program for New Century Excellent Talents in University
- Fundamental Research Funds for the Central Universities [2011QNA3019]
- Special-Program for the Science and Technology Plan of Zhejiang Province [2009C14005]
- Science and Technology Innovative Research Team of Zhejiang Province [2009R50010]
SnO2 nanoparticles (NPs)@carbon nanofibers as anode materials for lithium-ion battery are synthesized by a novel facile route using the commercial filter paper and tin dichloride dehydrate (SnCl2 center dot 2H(2)O). The weight ratio between carbon nanofibers and SnO2 NPs, which seriously affects the battery performance, has been demonstrated to be easily tuned by adjusting the sintering temperature. The electrochemical investigations show that the SnO2 NPs@carbon nanofibers with 9 wt% carbon have the best performance with the highest capacity of 383 mAh g(-1) after 30 cycles at a current density of 100 mA g(-1). The method introduced in this study provides an easy strategy for the controlled introduction of carbon to optimize the performance of lithium-ion battery using SnO2 NPs@carbon nanofibers as anode materials. (C) 2012 Elsevier B.V. All rights reserved.
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