Wearable rechargeable batteries require electrode platforms that can withstand various physical motions, such as bending, folding, and twisting. To this end, conductive textiles and paper have been highlighted, as their porous structures can accommodate the stress built during various physical motions. However, fabrics with plain weaves or knit structures have been mostly adopted without exploration of nonwoven counterparts. Also, the integration of conductive materials, such as carbon or metal nanomaterials, to achieve sufficient conductivity as current collectors is not well‐aligned with large‐scale processing in terms of cost and quality control. Here, the superiority of nonwoven fabrics is reported in electrochemical performance and bending capability compared to currently dominant woven counterparts, due to smooth morphology near the fiber intersections and the homogeneous distribution of fibers. Moreover, solution‐processed electroless deposition of aluminum and nickel–copper composite is adopted for cathodes and anodes, respectively, demonstrating the large‐scale feasibility of conductive nonwoven platforms for wearable rechargeable batteries.

中文翻译：

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用于可穿戴充电电池的无纺布的固溶处理金属涂层

可穿戴式可充电电池需要能够承受各种物理运动（例如弯曲，折叠和扭曲）的电极平台。为此，导电纺织品和纸已成为人们关注的焦点，因为它们的多孔结构可以适应各种物理运动过程中产生的应力。但是，通常采用具有平纹组织或针织结构的织物，而无需探索非织造织物。此外，由于集电器的集成，以达到足够的导电性，例如碳或金属纳米材料，在成本和质量控制方面与大规模加工并没有很好地匹配。在这里，与目前的主要机织同类产品相比，据报道非织造布在电化学性能和弯曲能力方面的优势，由于纤维交叉点附近的形态平滑，并且纤维分布均匀。此外，阴极和阳极分别采用溶液处理的铝和镍-铜复合材料进行化学沉积，证明了可穿戴式充电电池导电无纺布平台的大规模可行性。