Engineering closed pores in N/P co-doped hard carbon derived from coals for enhanced sodium storage

Key Points

• Enhanced sodium storage capacity observed in co-doped hard carbon structures, improving performance metrics significantly.
• Electrochemical performance achieved an increase of 25% in charge capacity at 100 mA/g compared to previous materials.
• Analysis involved engineering closed pores in hard carbon derived from coal to optimize sodium-ion battery applications.
• Findings suggest potential advancements in sodium storage technologies, though further investigation in real-world settings is needed.