Flexible Zn-air battery (ZAB) plays a pivotal role in the eventual realization of wearable/portable electronic devices such as hearing aids and electronic wristwatches owing to its high energy density and stable working voltage. However, the efficiency and long-term durability are still inevitably limited by the sluggish kinetics of oxygen reduction reaction (ORR) in air electrode. Herein, we fabricated a planar all-solid-state rechargeable ZAB with excellent scalability by integrating atomically dispersed FeN_x anchored on nitrogen-sulfur dual-doped porous carbon spheres and a highly conductive poly (acrylamide-co-acrylic acid) solid polymer alkaline electrolyte. Owing to the introduction of sulfur in carbon substrate, the catalyst exhibits superior ORR performance over 20% commercial Pt/C. Specially, it also displays outstanding all-solid-state ZAB capacity with a maximum power density of 85.5 mW/cm², as well as ultralong cycle life for more than 40 h, which outperforms that of most conventional polyvinyl alcohol alkaline gel electrolyte-based flexible quasi-solid-state or all-solid-state ZAB. Density functional theory results reveal that the dopants N and S play a synergetic interplay in modulating the electronic structure of atomically dispersed FeN_x species and provide a fast electron transfer path for ORR.

柔性锌空气电池（ZAB）由于其高能量密度和稳定的工作电压，在最终实现可穿戴/便携式电子设备（如助听器和电子手表）中起着举足轻重的作用。然而，效率和长期耐用性仍然不可避免地受到空气电极中氧还原反应（ORR）缓慢的动力学的限制。在此，我们通过整合原子分散FEN制造的平面全固态可充电ZAB具有优良的可扩展性_X锚固在氮-硫双掺杂多孔碳球和导电性高的聚（丙烯酰胺-共-丙烯酸）固体聚合物碱性电解质。由于在碳基质中引入了硫，因此该催化剂的ORR性能超过了商品Pt / C的20％。特别是，它还具有出色的全固态ZAB容量，最大功率密度为85.5 mW / cm ²，并且超长循环寿命超过40小时，这优于大多数传统的聚乙烯醇碱性凝胶电解质基电池灵活的准固态或全固态ZAB。密度泛函理论结果表明，掺杂剂N和S在调节原子分散的FeN _x物种的电子结构中起协同作用，并为ORR提供快速的电子转移路径。