Sulfonation-enabled dual electron-ion transport in N, S-co-doped polymer-derived carbon nanotubes for high-performance lithium-ion batteries

Key Points

• Performance of lithium-ion batteries is significantly enhanced through dual electron-ion transport mechanisms.
• Notably, the sulfonation process improves ion transport by 45% while maintaining high electron mobility.
• Experimental analysis using N, S-co-doped polymer-derived carbon nanotubes demonstrates substantial performance advances.
• These findings highlight the potential for developing better-performing battery materials through chemical modifications.