Wearable Al-air batteries are regarded as the potential power systems for flexible electronics due to the ultra-high capacity and energy density of Al-based materials. However, the battery failure caused by the accumulation of parasitic product Al(OH)₃ upon the anode surface has hindered the commercialization. Herein, we report a polyacrylic acid hydrogel integrating KF and KOH (F@PAA), which decompose Al(OH)₃ for ameliorating discharge performance of wearable Al-air battery. The ions channels upon the anode surface are dredged by a competitive attack of F⁻ on Al-O, thus improving the battery durability. The results show that the binding of Al³⁺ with F⁻ is more stable than that with O²⁻. The formed complex AlF₆³⁻ corrodes the passivation layer, and then ensures the continuous anodic oxidation. When 1.0 M F⁻ is introduced into F@PAA hydrogel, the effect of byproduct decomposition and battery discharge are optimal. Hence, A wearable Al-air battery using the proposed hydrogel achieves a maximum power density of 58.28 mW/cm². A high capacity of 2199.10 mAh/g and anode efficiency of 73.80% for the battery can be obtained at 10 mA/cm². Moreover, the key performance of the battery is improved by up to 104.08%, developing interface cleaning technology in wearable Al-air batteries.

由于铝基材料的超高容量和能量密度，可穿戴铝空气电池被认为是柔性电子产品的潜在动力系统。_{然而，寄生产物Al(OH) 3}在阳极表面的积累导致电池失效阻碍了商业化。在此，我们报道了一种结合了 KF 和 KOH 的聚丙烯酸水凝胶 (F@PAA)，它可以分解 Al(OH) ₃以改善可穿戴铝空气电池的放电性能。^F-对Al-O的竞争性攻击疏通了负极表面的离子通道，从而提高了电池的耐久性。结果表明Al ³⁺与F ⁻的结合比与O ^{2−的结合更稳定}. 形成的络合物AlF ₆ ³⁻腐蚀钝化层，进而保证阳极氧化的连续进行。当将1.0 MF ^-引入到F@PAA水凝胶中时，副产物分解和电池放电的效果最佳。因此，使用所提出的水凝胶的可穿戴铝空气电池实现了 58.28 mW/cm ²的最大功率密度。^{该电池在10 mA/cm 2}时可获得2199.10 mAh/g的高容量和73.80%的负极效率。此外，电池关键性能提升高达104.08%，开发可穿戴铝空气电池界面清洁技术。