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나노입자 연구단
나노입자 연구단
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Self-assembled Fe3O4 nanoparticle clusters as high-performance anodes for lithium ion batteries via geometric confinement Highly Cited Paper

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Title
Self-assembled Fe3O4 nanoparticle clusters as high-performance anodes for lithium ion batteries via geometric confinement
Author(s)
Soo Hong Lee; Seung-Ho Yu; Ji Eun Lee; Aihua Jin; Dong Jun Lee; Nohyun Lee; Jo H.; Kwangsoo Shin; Ahn T.-Y.; Kim Y.-W.; Choe H.; Yung Eun Sung; Taeg Hwan Hyeon
Publication Date
2013-09
Journal
NANO LETTERS, v.13, no.9, pp.4249 - 4256
Publisher
AMER CHEMICAL SOC
Abstract
Although different kinds of metal oxide nanoparticles continue to be proposed as anode materials for lithium ion batteries (LIBs), their cycle life and power density are still not suitable for commercial applications. Metal oxide nanoparticles have a large storage capacity, but they suffer from the excessive generation of solid-electrolyte interphase (SEI) on the surface, low electrical conductivity, and mechanical degradation and pulverization resulted from severe volume expansion during cycling. Herein we present the preparation of mesoporous iron oxide nanoparticle clusters (MIONCs) by a bottom-up self-assembly approach and demonstrate that they exhibit excellent cyclic stability and rate capability derived from their three-dimensional mesoporous nanostructure. By controlling the geometric configuration, we can achieve stable interfaces between the electrolyte and active materials, resulting in SEI formation confined on the outer surface of the MIONCs. © 2013 American Chemical Society.
URI
https://pr.ibs.re.kr/handle/8788114/1252
ISSN
1530-6984
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
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