The long-debated intrinsic nature, less exposed active sites, as well as the tedious fabrication process of the metal-nitrogen-carbon structures severely impede the applications in the energy storage and conversion devices. Herein, we report a facile Ostwald ripening-assisted template method to controllably synthesize one-dimensional S-doped Co/N/C mesoporous nanorods as electrode materials for electrocatalytic oxygen reduction and Li-ions batteries. Introducing the S doping into the Co/N/C structure increases the intrinsic activity and electrochemically active surface area, and the structural characteristics (e.g., the surface area, pore structure) of mesoporous nanorods are optimized on the basis of the Ostwald ripening effect for sufficiently exposing active centres and facilitating fast ion transport. Hence, it demonstrates efficient catalytic activity towards the oxygen reduction reaction in alkaline medium with the half-wave potential of 0.890 V vs. RHE, and even outerperforms the state-of-the-art Pt/C catalyst. In addition, as the anode material for Li-ion batteries, it also exhibits superior electrochemical performance with the specific capacity of 623.3 mAh g⁻¹ after 500 cycles at 1.0 A g⁻¹.

长期争论的内在本质，较少暴露的活性位点以及金属-氮-碳结构的繁琐制造过程严重阻碍了在储能和转换装置中的应用。在这里，我们报告了一种简便的Ostwald成熟辅助模板方法，可控制地合成一维S掺杂的Co / N / C介孔纳米棒作为电催化氧还原和锂离子电池的电极材料。将S掺杂引入Co / N / C结构可提高固有活性和电化学活性表面积以及结构特性（例如介孔纳米棒的表面积，孔结构）的优化基于奥斯特瓦尔德（Ostwald）熟化效应，以充分暴露活性中心并促进快速离子迁移。因此，它证明了在碱性介质中对氧还原反应具有有效的催化活性，其半波电位为RHE的0.890 V，甚至表现出最先进的Pt / C催化剂。此外，作为用于锂离子电池的阳极材料，它也表现出与的623.3毫安克的比容量优良的电化学性能^-1 1.0 A G 500次循环后^-1。