Self-assembled Fe3O4 nanoparticle clusters as high-performance anodes for lithium ion batteries via geometric confinement

Soo Hong Lee, Seung-Ho Yu, Ji Eun Lee, Aihua Jin, Dong Jun Lee, Nohyun Lee, Hyungyung Jo, Kwangsoo Shin, Tae Young Ahn, Young Woon Kim, Heeman Choe, Yung Eun Sung, Taeghwan Hyeon

Research output: Contribution to journalArticle

257 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)4249-4256
Number of pages8
JournalNano Letters
Volume13
Issue number9
DOIs
Publication statusPublished - 2013 Sep 11
Externally publishedYes

Fingerprint

electric batteries
Anodes
anodes
lithium
Nanoparticles
nanoparticles
Solid electrolytes
solid electrolytes
Iron oxides
iron oxides
Oxides
metal oxides
ions
Metals
cycles
Self assembly
Electrolytes
self assembly
radiant flux density
Life cycle

Keywords

  • anodes
  • iron oxide
  • lithium ion batteries
  • Nanoparticles
  • self-assembly
  • solid-electrolyte interphase

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Self-assembled Fe3O4 nanoparticle clusters as high-performance anodes for lithium ion batteries via geometric confinement. / Lee, Soo Hong; Yu, Seung-Ho; Lee, Ji Eun; Jin, Aihua; Lee, Dong Jun; Lee, Nohyun; Jo, Hyungyung; Shin, Kwangsoo; Ahn, Tae Young; Kim, Young Woon; Choe, Heeman; Sung, Yung Eun; Hyeon, Taeghwan.

In: Nano Letters, Vol. 13, No. 9, 11.09.2013, p. 4249-4256.

Research output: Contribution to journalArticle

Lee, SH, Yu, S-H, Lee, JE, Jin, A, Lee, DJ, Lee, N, Jo, H, Shin, K, Ahn, TY, Kim, YW, Choe, H, Sung, YE & Hyeon, T 2013, 'Self-assembled Fe3O4 nanoparticle clusters as high-performance anodes for lithium ion batteries via geometric confinement', Nano Letters, vol. 13, no. 9, pp. 4249-4256. https://doi.org/10.1021/nl401952h
Lee, Soo Hong ; Yu, Seung-Ho ; Lee, Ji Eun ; Jin, Aihua ; Lee, Dong Jun ; Lee, Nohyun ; Jo, Hyungyung ; Shin, Kwangsoo ; Ahn, Tae Young ; Kim, Young Woon ; Choe, Heeman ; Sung, Yung Eun ; Hyeon, Taeghwan. / Self-assembled Fe3O4 nanoparticle clusters as high-performance anodes for lithium ion batteries via geometric confinement. In: Nano Letters. 2013 ; Vol. 13, No. 9. pp. 4249-4256.
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