Crossref journal-article
Wiley
Advanced Functional Materials (311)
Abstract

AbstractMulti‐walled carbon nanotube (MWCNT)/silicon nanocomposites obtained by a grafting technique using the diazonium chemistry are used to prepare silicon negative electrodes for lithium‐ion batteries. The covalent bonding of the two compounds is obtained via mono‐ and multi‐layers of phenyl bridges, leading to an ideal dispersion of MWCNTs and silicon nanoparticles that are bound together. The presence of MWCNTs close to silicon nanoparticles enhances the electronic pathway to the active material particles and probably helps to prevent silicon decrepitation upon repeated lithium insertion/extraction by improving the mechanical stability of the electrode at a nanoscale level. This effect results in the enhancement of cycling ability and capacity, which are demonstrated by comparing the nanocomposite electrode to a simple mixture of the two compounds. This technique can be applied to other carbon conductive additives together with silicon or other nanosized active compounds.

Bibliography

Martin, C., Crosnier, O., Retoux, R., Bélanger, D., Schleich, D. M., & Brousse, T. (2011). Chemical Coupling of Carbon Nanotubes and Silicon Nanoparticles for Improved Negative Electrode Performance in Lithium‐Ion Batteries. Advanced Functional Materials, 21(18), 3524–3530. Portico.

Authors 6
  1. Cédric Martin (first)
  2. Olivier Crosnier (additional)
  3. Richard Retoux (additional)
  4. Daniel Bélanger (additional)
  5. Donald M. Schleich (additional)
  6. Thierry Brousse (additional)
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Dates
Type When
Created 14 years, 1 month ago (July 18, 2011, 3:03 a.m.)
Deposited 1 year, 10 months ago (Oct. 11, 2023, 1:05 p.m.)
Indexed 3 days, 10 hours ago (Aug. 19, 2025, 6:49 a.m.)
Issued 14 years, 1 month ago (July 18, 2011)
Published 14 years, 1 month ago (July 18, 2011)
Published Online 14 years, 1 month ago (July 18, 2011)
Published Print 13 years, 10 months ago (Sept. 23, 2011)
Funders 0

None

@article{Martin_2011, title={Chemical Coupling of Carbon Nanotubes and Silicon Nanoparticles for Improved Negative Electrode Performance in Lithium‐Ion Batteries}, volume={21}, ISSN={1616-3028}, url={http://dx.doi.org/10.1002/adfm.201002100}, DOI={10.1002/adfm.201002100}, number={18}, journal={Advanced Functional Materials}, publisher={Wiley}, author={Martin, Cédric and Crosnier, Olivier and Retoux, Richard and Bélanger, Daniel and Schleich, Donald M. and Brousse, Thierry}, year={2011}, month=jul, pages={3524–3530} }