期刊
NANOTECHNOLOGY
卷 23, 期 46, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/23/46/465402
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资金
- National Research Foundation of Korea
- Korean Government (MEST) [NRF-2011-0030300, 2009-0094046, 2012R1A2A2A01045382]
- National Research Foundation of Korea [2012M1A2A2671802, 2009-0094046] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We demonstrate the fabrication of hybrid nanocomposite electrodes with a combination of SnO2 nanoparticles (NPs) and conducting multiwalled carbon nanotube (MWCNT) anodes (SnO2@CNT) through the direct anchoring of SnO2 NPs on the surface of electrophoretically pre-deposited MWCNT (EPD-CNT) networks via a metal-organic chemical vapor deposition process. This SnO2@CNT nanocomposite displays large reversible capacities of over 780, 510, and 470 mA h g(-1) at 1 C after 100, 500, and 1000 cycles, respectively. This outstanding long-term cycling stability is a result of the uniform distribution of SnO2 NPs (similar to 8.5 nm), a nanoscale EPD-CNT network with good electrical conductivity, and the creation of open spaces that buffer a large volume change during the Li-alloying/dealloying reaction of SnO2.
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