期刊
RSC ADVANCES
卷 2, 期 29, 页码 10805-10808出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra21653a
关键词
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资金
- Global Research Lab (GRL) Program of the Ministry of Education, Science and Technology
- Green City Technology Flagship Program
- Korea Institute of Science and Technology [KIST-2012-2E23337]
- National Research Foundation of Korea
- Korean Government (MEST) (University-Institute cooperation program)
A facile, fast, and effective method for the preparation of a core-shell LTO/C nanocomposite via a supercritical alcohol route is presented. Organic-modified LTO nanocrystals were first synthesized in supercritical methanol at a short reaction time of 15 min using oleylamine as a surface-modifier and as a carbon precursor. Subsequent calcination under inert conditions resulted in a highly crystalline LTO core with a size of 5-15 nm and highly graphitic carbon shell with a thickness of 0.7-2.3 nm. The obtained core-shell LTO/C nanocomposite exhibited superior high rate performance, long-term cyclability, and low-temperature discharge capacity.
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