期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 12, 期 2, 页码 307-310出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2009.12.025
关键词
U ion batteries; Pulsed laser deposition; SnS nanosheets; Self-supported nanostructuring; Rate capabilities
资金
- Korea Institute of Science and Technology (KIST) Institutional Program [2E21060]
- Korea government (MEST) [2009-0082544]
- National Research Council of Science & Technology (NST), Republic of Korea [2E21060] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2009-0082544] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We report on the self-supported, two-dimensional (2D) SnS nanosheets electrode directly grown on metallic current collectors via non-catalytic and template-free, vapor transport synthetic route. The self-supported SnS nanosheets electrode demonstrates good cycling performance and superior rate capabilities: a capacity of similar to 380 mAh g(-1) even at 20C rate (after charging for 3 min), larger than the theoretical capacity of the carbon-based electrodes currently used in commercial Li ion batteries. The origin of such an improvement in the long-term cycle stability and electronic/ionic transport kinetics, is understood by means of various microscopic investigation as well as unique characteristics of self-supported nanostructuring strategy itself. (C) 2009 Elsevier B.V. All rights reserved.
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