• 3D “branch-leaf” biomimetic design is proposed for high-performance Na-S batteries.

• The conductive “branch” can ensure adequate electron and electrolyte supply with the “leaf” can catalyze the conversion of polysulfides.

• DFT calculation reveals that the Co nanoparticles can enable fast reduction reaction of the polysulfides;

• The prepared CNF-L@Co/S electrode exhibits a high initial specific capacity of 1201 mAh g⁻¹ at 0.1 C and superior rate performance.

中文翻译：

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高能钠硫电池“枝叶”电极仿生设计高效催化转化多硫化物

• 3D“枝叶”仿生设计被提出用于高性能钠硫电池。

• 导电“分支”可以保证充足的电子和电解质供应，“叶子”可以催化多硫化物的转化。

• DFT计算表明，Co纳米颗粒可以使多硫化物快速还原反应；

• 制备的 CNF-L@Co/S 电极在 0.1 C时具有 1201 mAh g ^-1的高初始比容量和优异的倍率性能。