Diffusion-limited abrupt capacity degradation in SiOx/Gr composite electrodes of lithium-ion batteries

Key Points

• Capacity degradation occurs rapidly in composite electrodes due to diffusion limitations, impacting performance.
• The study shows that the diffusion rate significantly influences the overall lifespan of lithium-ion batteries.
• Assessment using advanced electrochemical techniques and diffusion analysis provides insights into electrode behavior.
• The findings may enable better designs for lithium-ion batteries, enhancing energy storage efficiency.