Tremendous efforts are made to design nanostructured functional materials utilized in cathode or separator for lithium-sulfur (Li–S) batteries. However, it is still limited to grant specified functions to each component and integrate into a cell to achieve a synergistic effect for high performance. This paper presents a function-convertible synthetic platform based on metal-organic crystal derived from the liquid-solid interfacial reaction, which prepares distinct nanostructured materials with each desired function for the separator and cathode in Li–S batteries. This approach yields carbon nanorods decorated with zinc oxide quantum dots (ZQDs) on a separator, which provides both functions of alleviating the shuttle phenomenon and facilitating the conversion reactions. Further increase in temperature produces a mesostructured carbon nanorod with open porosity, supplying abundant electrochemical reaction sites for sulfur and polysulfide as a sulfur host material for the cathode. Combining specialized functions for the separator and cathode, the resulting cell exhibits outstanding rate capability and cycling performance (579.3 mAh g⁻¹ at 5 C and 682.9 mAh g⁻¹ at 1 C after 400 cycles).

在设计用于锂硫（Li–S）电池阴极或隔板的纳米结构功能材料方面，我们付出了巨大的努力。但是，仍然限于将指定功能授予每个组件并集成到单元中以实现高性能的协同效应。本文提出了一种基于液-固界面反应的金属有机晶体的功能可转换合成平台，该平台可为Li-S电池的隔膜和阴极制备具有每种所需功能的独特纳米结构材料。这种方法会在隔板上产生装饰有氧化锌量子点（ZQD）的碳纳米棒，该碳纳米棒既具有缓解穿梭现象并促进转化反应的作用。温度的进一步升高产生具有开孔的介孔结构的碳纳米棒，为硫和作为阴极的硫主体材料的多硫化物提供了丰富的电化学反应位点。结合隔膜和阴极的特殊功能，所得电池具有出色的速率能力和循环性能（579.3 mAh g400个循环后在5 C ^-1和68 C 6.8 mAh g ^-1在1 C）。