Enhanced Initial Coulombic Efficiency of Lithium-Ion Battery Silicon-Carbon Anodes with Phosphorus Doping

Key Points

• The aim is to improve the initial coulombic efficiency and reduce volume expansion in silicon-based anodes.
• Incorporated phosphorus atoms into silicon-carbon anodes.
• Evaluated the effects on initial coulombic efficiency and volume expansion.
• Conducted comparative analyses with standard silicon-carbon anodes.
• Achieved a significant enhancement in initial coulombic efficiency.
• Notable suppression of volume expansion was observed.
• Phosphorus doping provided a more stable cycling performance.