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Cited by 391

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Fast, Completely Reversible Li Insertion in Vanadium Pentoxide Nanoribbons

Chan, Candace K., Peng, Hailin, Twesten, Ray D., Jarausch, Konrad, Zhang, Xiao Feng, Cui, Yi·2007·Nano Letters

Abstract

Layered-structure nanoribbons with efficient electron transport and short lithium ion insertion lengths are promising candidates for Li battery applications. Here we studied at the single nanostructure level the chemical, structural, and electrical transformations of V2O5 nanoribbons. We found that transformation of V2O5 into the omega-Li3V2O5 phase depends not only on the width but also the thickness of the nanoribbons. Transformation can take place within 10 s in thin nanoribbons, suggesting a Li diffusion constant 3 orders of magnitude faster than in bulk materials, resulting in a significant increase in battery power density (360 C power rate). For the first time, complete delithiation of omega-Li3V2O5 back to the single-crystalline, pristine V2O5 nanoribbon was observed, indicating a 30% higher energy density. These new observations are attributed to the ability of facile strain relaxation and phase transformation at the nanoscale. In addition, efficient electronic transport can be maintained to charge a Li3V2O5 nanoribbon within less than 5 s. These exciting nanosize effects can be exploited to fabricate high-performance Li batteries for applications in electric and hybrid electric vehicles.

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Metadata

Authors
Chan, C. K., Peng, H., Twesten, R. D., Jarausch, K., Zhang, X. F., & Cui, Y.
Venue
Nano Letters
Published
2007-01-26
Volume
7
Issue
2
Pages
490-495
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2141358977
Cited by
391
References
13
FWCI
20.79
Type
journal article
Language
en
Open access
closed

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