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Markova, I. N., Chauvet, O., Petrov, T. I., Stefanova, V. P., Denev, I. D. & Uzunova, S. A. (2013) Influence of the carbon-based support on the electrochemical behavior of nanocomposites with Cu-Sn nanoparticles. Rev. Adv. Mater. Sci. 35 59–66. 
Added by: Richard Baschera (2020-05-18 17:22:01)   Last edited by: Richard Baschera (2020-05-18 17:22:31)
Type de référence: Article
Numéro d'identification (ISBN etc.): 1606-5131
Clé BibTeX: Markova2013
Voir tous les détails bibliographiques
Mots-clés: alloy, Anode, Electrode, insertion, lithium
Créateurs: Chauvet, Denev, Markova, Petrov, Stefanova, Uzunova
Collection: Rev. Adv. Mater. Sci.
Consultations : 7/351
Indice de consultation : 5%
Indice de popularité : 1.25%
Cu-Sn nanoparticle powder have been synthesized through a borohydride reduction in a mixture of water solutions of chloride salts and also applying a template technique using a support. As supports for the template synthesis of the Cu-Sn nanoparticle have been used carbon foam (C-foam), carbon powder (C-powder) and graphite. It has been examined the influence of the support on the formation and phase composition of the obtained nanoparticles. X-ray diffraction (XRD), scanning electron microscopy (SEM), and electrochemical analyses of the carbon-based (C-based) nanocomposites with Cu-Sn nanoparticles have been carried out. Cu(65)n(5) and Cu10Sn3 phases are formed depending on the support used. The obtained C-based nanocomposites exhibit a different electrochemical behavior depending on the C-based support and respectively the particle size and their phase composition. According to the carbon matrix different nanocomposites are formed such as graphite/Cu10Sn3, Cu6Sn5, Cu2O; C-powder/Cu6Sn5, Cu2O; C-foam/ Cu10Sn3,Cu,Sn. The composite of graphite/Cu-Sn alloy is characterized by the highest irreversible discharge capacity of 62%, lower efficiency of the first cycle of 38% and the highest average discharge capacity of 410 mAh g(-1), while the composite of C-foam/Cu-Sn alloy is characterized by the highest efficiency at the first cycle of 73%.
Place: Warsaw Publisher: De Gruyter Poland Sp Z O O WOS:000329084000005
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