Bifunctional Catalyst Directed Closed-Pore Engineering in Hard Carbon for Enhanced Sodium Storage

Key Points

• The study aims to improve the energy density of sodium-ion batteries by enhancing the plateau capacity of hard carbon through closed-pore engineering.
• Developed a bifunctional catalyst to regulate closed-pore structures.
• Conducted experiments to assess sodium storage capacity.
• Analyzed structural changes in hard carbon materials.
• Significantly increased plateau capacity in sodium-ion batteries.
• Enhanced energy density observed with optimized closed-pore structures.