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|Title:||Direct fabrication of double-rough chestnut-like multifunctional Sn@C composites on copper foil: Lotus effect and lithium ion storage properties||Authors:||Deng, D.
|Issue Date:||7-Oct-2010||Citation:||Deng, D., Lee, J.Y. (2010-10-07). Direct fabrication of double-rough chestnut-like multifunctional Sn@C composites on copper foil: Lotus effect and lithium ion storage properties. Journal of Materials Chemistry 20 (37) : 8045-8049. ScholarBank@NUS Repository. https://doi.org/10.1039/c0jm00738b||Abstract:||This paper reports the fabrication of a new, double-rough chestnut-like Sn@C composite in the form of mesospheres with nanohairs directly on a copper surface by a simple and scalable procedure. The hierarchical order in the nanostructure and the composition of the nanocomposite impart at least two functional properties: the lotus effect and reversible storage of lithium ions. The nanohairs of carbon nanotube-encapsulated metallic tin; and the underlying core of carbon-tin mesospheres with rough exterior; give rise to nanoscale and mesoscale roughness not unlike the double-rough surface of a lotus leave (nanohairs on microbumps). Subsequently the modified copper surface is superhydrophobic just like the lotus leaves. On the other hand the ability to directly deposit lithium-active storage compounds (Sn, C) on a current conductor (Cu) has also resulted in an electrode immediately usable as a lithium ion battery anode without additional processing. Indeed electrochemical measurements have shown quite satisfying properties for lithium ion battery applications. © 2010 The Royal Society of Chemistry.||Source Title:||Journal of Materials Chemistry||URI:||http://scholarbank.nus.edu.sg/handle/10635/63732||ISSN:||09599428||DOI:||10.1039/c0jm00738b|
|Appears in Collections:||Staff Publications|
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