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나노입자 연구단
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SnO2 nanotube arrays embedded in a carbon layer for high-performance lithium-ion battery applications

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Title
SnO2 nanotube arrays embedded in a carbon layer for high-performance lithium-ion battery applications
Author(s)
Ji Hyun Um; Seung-Ho Yu; Cho Y.-H.; Yung-Eun Sung
Publication Date
2015-01
Journal
NEW JOURNAL OF CHEMISTRY, v.39, no.4, pp.2541 - 2546
Publisher
ROYAL SOC CHEMISTRY
Abstract
A facile strategy for preparing one-dimensional (1D) SnO2 nanotube arrays embedded in a carbon layer (C-SnO2 NTs) has been developed via a sol-gel method using polycarbonate (PC) as a template. The introduction of a carbon layer (carbonized from a PC membrane) at the top of SnO2 nanotube arrays results in the SnO2 nanotubes standing on the current collector and preserving their 1D structure without aggregation between each other, which enables their direct application to the anode of lithium-ion batteries. The binder- and carbon-free C-SnO2 NTs as a self-supporting anode exhibits a stable and high reversible capacity of 500 mA h g-1 at 0.1 A g-1 after 40 cycles. The improved Li ion storage and stable capability are attributed to the 1D hollow structure, alleviating the large volume changes of SnO2 and enhancing electron and Li ion diffusion transport in the nanotubes. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2015
URI
https://pr.ibs.re.kr/handle/8788114/2147
ISSN
1144-0546
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
19.New Jornal of Chemistry_201501.pdfDownload

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