Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 3, Issue 9, Pages 3704-3708Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am200884k
Keywords
sonochemical method; ordered SnO2/CMK-3; nanocomposites; anode; lithium-ion batteries
Funding
- Fundamental Research Funds for the Central Universities [JUSRP11102, JUSRP20903]
- National Natural Science Foundation of China [51006046]
- Natural Science Fundation of Jiangsu Province [BK2010140]
- Youth Science Foundation of Jiangnan University [2009LQN01]
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, China [KLET0908]
- Research Fund for the Doctoral Program of Higher Education of China [200802951011, 20090093110004]
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In this study, we successfully prepare SnO2 nanoparticles inside the pore channels of CMK-3 ordered mesoporous carbon via sonochemical method. The content of SnO2 is 17 wt % calculated according to the energy-dispersive X-ray spectroscopy (EDS) result. CMK-3 with 17 wt % loading of SnO2 nanoparticles has a large specific surface area and pore volume. Electrochemical performance demonstrates that the ordered SnO2/CMK-3 nanocomposites electrode possesses higher reversible capacity and cycling stability than that of original CMK-3 electrode. Moreover, the ordered SnO2/CMK-3 nanocomposites electrode also exhibits high capacity at higher charge/discharge rate. The improved electrochemical performance is attributed to the nanometer-sized SnO2 formed inside CMK-3 and the large surface area of the mesopores (3.4 nm) in which the SnO2 nanoparticles are formed.
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