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Cited by 894

The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Arrays of Sealed Silicon Nanotubes As Anodes for Lithium Ion Batteries

Song, Taeseup, Xia, Jianliang, Lee, Jin-Hyon, Lee, Dong Hyun, Kwon, Moon-Seok, Choi, Jae-Man, Wu, Jian, Doo, Seok Kwang, Chang, Hyuk, Park, Won Il, Zang, Dong Sik, Kim, Hansu, Huang, Yonggang, Hwang, Keh-Chih, Rogers, John A., Paik, Ungyu·2010·Nano Letters

Abstract

Silicon is a promising candidate for electrodes in lithium ion batteries due to its large theoretical energy density. Poor capacity retention, caused by pulverization of Si during cycling, frustrates its practical application. We have developed a nanostructured form of silicon, consisting of arrays of sealed, tubular geometries that is capable of accommodating large volume changes associated with lithiation in battery applications. Such electrodes exhibit high initial Coulombic efficiencies (i.e., >85%) and stable capacity-retention (>80% after 50 cycles), due to an unusual, underlying mechanics that is dominated by free surfaces. This physics is manifested by a strongly anisotropic expansion in which 400% volumetric increases are accomplished with only relatively small (<35%) changes in the axial dimension. These experimental results and associated theoretical mechanics models demonstrate the extent to which nanoscale engineering of electrode geometry can be used to advantage in the design of rechargeable batteries with highly reversible capacity and long-term cycle stability.

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Crossref · 10.1021/nl100086e

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Metadata

Authors
Song, T., Xia, J., Lee, J.-H., Lee, D. H., Kwon, M.-S., Choi, J.-M., Wu, J., Doo, S. K., Chang, H., Park, W. I., Zang, D. S., Kim, H., Huang, Y., Hwang, K.-C., Rogers, J. A., & Paik, U.
Venue
Nano Letters
Published
2010-04-06
Volume
10
Issue
5
Pages
1710-1716
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2119608471
Cited by
894
References
28
FWCI
54.07
Type
journal article
Language
en
Open access
closed

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