High-performance lithium battery anodes using silicon nanowires

Candace Chan, Hailin Peng, Gao Liu, Kevin McIlwrath, Xiao Feng Zhang, Robert A. Huggins, Yi Cui

Research output: Contribution to journalArticle

4203 Citations (Scopus)

Abstract

There is great interest in developing rechargeable lithium batteries with higher energy capacity and longer cycle life for applications in portable electronic devices, electric vehicles and implantable medical devices. Silicon is an attractive anode material for lithium batteries because it has a low discharge potential and the highest known theoretical charge capacity (4,200 mAh g-1; ref. 2). Although this is more than ten times higher than existing graphite anodes and much larger than various nitride and oxide materials, silicon anodes have limited applications because silicon's volume changes by 400% upon insertion and extraction of lithium which results in pulverization and capacity fading. Here, we show that silicon nanowire battery electrodes circumvent these issues as they can accommodate large strain without pulverization, provide good electronic contact and conduction, and display short lithium insertion distances. We achieved the theoretical charge capacity for silicon anodes and maintained a discharge capacity close to 75% of this maximum, with little fading during cycling.

Original languageEnglish
Pages (from-to)31-35
Number of pages5
JournalNature Nanotechnology
Volume3
Issue number1
DOIs
Publication statusPublished - Jan 2008

Fingerprint

Lithium batteries
lithium batteries
Silicon
Nanowires
Anodes
anodes
nanowires
silicon
fading
Lithium
insertion
lithium
cycles
Graphite
Electric vehicles
electronics
Nitrides
Oxides
nitrides
electric batteries

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering
  • Materials Science(all)
  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics

Cite this

Chan, C., Peng, H., Liu, G., McIlwrath, K., Zhang, X. F., Huggins, R. A., & Cui, Y. (2008). High-performance lithium battery anodes using silicon nanowires. Nature Nanotechnology, 3(1), 31-35. https://doi.org/10.1038/nnano.2007.411

High-performance lithium battery anodes using silicon nanowires. / Chan, Candace; Peng, Hailin; Liu, Gao; McIlwrath, Kevin; Zhang, Xiao Feng; Huggins, Robert A.; Cui, Yi.

In: Nature Nanotechnology, Vol. 3, No. 1, 01.2008, p. 31-35.

Research output: Contribution to journalArticle

Chan, C, Peng, H, Liu, G, McIlwrath, K, Zhang, XF, Huggins, RA & Cui, Y 2008, 'High-performance lithium battery anodes using silicon nanowires', Nature Nanotechnology, vol. 3, no. 1, pp. 31-35. https://doi.org/10.1038/nnano.2007.411
Chan, Candace ; Peng, Hailin ; Liu, Gao ; McIlwrath, Kevin ; Zhang, Xiao Feng ; Huggins, Robert A. ; Cui, Yi. / High-performance lithium battery anodes using silicon nanowires. In: Nature Nanotechnology. 2008 ; Vol. 3, No. 1. pp. 31-35.
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