期刊
SCIENTIFIC REPORTS
卷 4, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep04647
关键词
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资金
- National Natural Science Foundation of China [21103039]
- Anhui Province Natural Funds for Distinguished Young Scientists
- Research Fund for the Doctoral Program of Higher Education of China [20110111120008]
- Beijing National Laboratory for Molecular Sciences (BNLMS)
- Deutsche Forschungsgemeinschaft Grant (DFG) [H1113/3-5]
- Thousand Talents Program''
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Ultrasmall SnO2 nanocrystals as anode materials for lithium-ion batteries (LIBs) have been synthesized by bubbling an oxidizing gas into hot surfactant solutions containing Sn-oleate complexes. Annealing of the particles in N-2 carbonifies the densely packed surface capping ligands resulting in carbon encapsulated SnO2 nanoparticles (SnO2/C). Carbon encapsulation can effectively buffer the volume changes during the lithiation/delithiation process. The assembled SnO2/C thus deliver extraordinarily high reversible capacity of 908 mA.h.g(-1) at 0.5 C as well as excellent cycling performance in the LIBs. This method demonstrates the great potential of SnO2/C nanoparticles for the design of high power LIBs.
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