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Soft Template strategy to synthesize iron oxide-titania yolk-shell nanoparticles as high-performance anode materials for lithium-ion battery applications

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Title
Soft Template strategy to synthesize iron oxide-titania yolk-shell nanoparticles as high-performance anode materials for lithium-ion battery applications
Author(s)
Lim J.; Ji Hyun Um; Ahn J.; Seung-Ho Yu; Yung-Eun Sung; Lee J.-K.
Publication Date
2015-05
Journal
CHEMISTRY-A EUROPEAN JOURNAL, v.21, no.21, pp.7954 - 7961
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Yolk-shell-structured nanoparticles with iron oxide core, void, and a titania shell configuration are prepared by a simple soft template method and used as the anode material for lithium ion batteries. The iron oxide-titania yolk-shell nanoparticles (IO@void@TNPs) exhibit a higher and more stable capacity than simply mixed nanoparticles of iron oxide and hollow titania because of the unique structure obtained by the perfect separation between iron oxide nanoparticles, in combination with the adequate internal void space provided by stable titania shells. Moreover, the structural effect of IO@void@TNPs clearly demonstrates that the capacity retention value after 50 cycles is approximately 4 times that for IONPs under harsh operating conditions, that is, when the temperature is increased to 80°C. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/2029
ISSN
0947-6539
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
31.Chemistry A European Journal_201505.pdfDownload

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