Influence of a binder on the electrochemical behaviour of Si/RGO composite as negative electrode material for Li-ion batteries
oleh: A. V. Korchun, E. Yu. Evshchik, S. A. Baskakov, O. V. Bushkova, Y. A. Dobrovolsky
| Format: | Article |
|---|---|
| Diterbitkan: | Uralʹskij federalʹnyj universitet imeni pervogo Prezidenta Rossii B.N. Elʹcina 2021-01-01 |
Deskripsi
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.