Please use this identifier to cite or link to this item: https://doi.org/10.1002/adma.200600733
Title: Template-free synthesis of SnO2 hollow nanostructures with high lithium storage capacity
Authors: Lou, X.W.
Wang, Y. 
Yuan, C.
Lee, J.Y. 
Archer, L.A.
Issue Date: 5-Sep-2006
Citation: Lou, X.W., Wang, Y., Yuan, C., Lee, J.Y., Archer, L.A. (2006-09-05). Template-free synthesis of SnO2 hollow nanostructures with high lithium storage capacity. Advanced Materials 18 (17) : 2325-2329. ScholarBank@NUS Repository. https://doi.org/10.1002/adma.200600733
Abstract: A simple one-pot template-free synthesis of SnO2 hollow nanostructures, based on an inside-out Ostwald ripening mechanism, was analyzed. The synthesis was performed in an ethanol-water mixed solvent using potassium stannate as the precursor. It was found that the precursor concentration has a dramatic effect on both the morphology and size of the product in template-free synthesis. The precursor concentration when reduced, the product consisted entirely of discrete hollow nanospheres with a diameter in the range 5--200nm and wall thickness of about 10nm. The SAED pattern confirms that these hollow nanospheres were polycrystalline tetragonal SnO2 and a higher concentration produced similar core/shell hollow nanoparticles but with a larger size. The results show that the as-prepared SnO2 hollow nanospheres exhibit superior lithium storage capacity and cycle performance when used as anode materials in lithium-ion batteries.
Source Title: Advanced Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/90311
ISSN: 09359648
DOI: 10.1002/adma.200600733
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