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A carbon nanotubes-silicon nanoparticles network for high performance lithium rechargeable battery anodes
Cited 7 time in
Web of Science
Cited 0 time in Scopus
- Authors
- Issue Date
- 2012-09
- Publisher
- The Korean Electrochemical Society
- Citation
- Journal of Electrochemical Science and Technology, Vol.3 No.3, pp.116-122
- Abstract
- As an effort to address the chronic capacity fading of Si anodes and thus achieve their robust cycling performance, herein, we develop a unique electrode in which silicon nanoparticles are embedded in the carbon nanotubes network. Utilizing robust contacts between silicon nanoparticles and carbon nanotubes, the composite electrodes exhibit excellent electrochemical performance : 95.5% capacity retention after 140 cycles as well as rate capability such that at the C-rate increase from 0.1C to 1C to 10C, the specific capacities of 850, 698, and 312 mAh/g are obtained, respectively. The present investigation suggests a useful design principle for silicon as well as other high capacity alloying electrodes that undergo large volume expansions during battery operations.
- ISSN
- 2093-8551
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