Synergistic Improvement of Electrochemical Performance of Silica-Graphite Anode by LA132 Binder and SWCNTs
Silicon-based anodes,due to their high capacity,are considered ideal candidate materials for next-generation lithium-ion batteries.However,the intrinsic low conductivity of silicon and significant volume changes during cycling inevitably lead to poor cycle stability.The silicon oxide material was mixed with graphite and single-walled carbon nanotubes(SWCNTs)were added to obtain a SiO/G composite electrode.Compare with traditional binder systems to explore the synergistic effect between LA132 binder and SWCNTs.The introduction of SWCNTs significantly enhances the electrochemical performance of the SiO/G composite anode.When the SWCNTs addition ratio is 0.04%,the SiO/G-5 exhibits excellent charge-discharge performance,achieving a reversible capacity of 616.90 mAh/g,along with good anti-swelling and cycle stability,which outperforms traditional binder systems.
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