Atomic-Level Growth Engineering of Si via Acetylene-Silane Co-Deposition for Enhanced Cycle Stability and High Li + Dynamics in Si/C Anodes

Puntos clave

• To improve the performance of silicon/carbon anodes by addressing issues of volumetric expansion and lithium ion dynamics.
• Used chemical vapor deposition to co-deposit acetylene and silane for silicon growth.
• Analyzed the structure and properties of the created silicon/carbon anodes.
• Evaluated lithium ion transport and cycle stability under various conditions.
• Achieved enhanced cycle stability in Si/C anodes compared to standard methods.
• Demonstrated improved lithium ion dynamics, indicating faster transport through the anode.
• Reduced issues related to solid electrolyte interphase formation, leading to better battery longevity.