Graphical Abstract

Influence of a binder on the electrochemical behaviour of Si/RGO composite as negative electrode material for Li-ion batteries

A. V. Korchun, E. Yu. Evshchik, S. A. Baskakov, O. V. Bushkova, Y. A. Dobrovolsky

Abstract


A composite consisting of silicon nanoparticles and reduced graphene oxide nanosheets (Si/RGO) was studied as a promising material for the negative electrode of lithium-ion batteries. Commonly used polyvinylidene fluoride (PVdF) and carboxymethyl cellulose (CMC) served as a binder. To reveal the influence of the binder on the electrochemical behaviour of the Si/RGO composite, binder-free electrodes were also prepared and examined. Anode half-cells with composites comprising CMC as a binder demonstrated the best properties: capacity over 1200 mAh∙g-1, excellent cycling performance and good rate capability up to 1.0C.

Keywords


Li-ion battery; negative electrode nanocomposite; reduced graphene oxide; silicon nanoparticles

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References


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DOI: https://doi.org/10.15826/chimtech.2020.7.4.21

Copyright (c) 2020 Korchun A.V., Evshchik E.Yu., Baskakov S.A., Bushkova O.V., Dobrovolsky Y.A.

© Chimica Techno Acta, 2014-2020
ISSN 2411-1414 (Online), ISSN 2409-5613 (Print)

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