Ionic liquid (IL) electrolytes have enormous potential for the development of high energy density supercapacitors (SCs) owing to their wide potential windows, but ILs are plagued by sluggish ionic diffusion due to their high viscosity and large ion size. Exploiting superwettable electrodes possessing high compatibility with IL electrolytes remains challenging. Inspired by the biological characteristics observed in nature, a unique film electrode with a Monstera leaf-like nanostructure is synthesized and used to overcome the aforementioned bottleneck. Similar to the pores in Monstera leaves that allow the permeation of air and water vapor, the film electrode is based on porous g-C₃N₄ nanosheets (~1 nm thick) as ion-accessible “highway” channels, allowing ultrafast diffusion of IL ions. The film exhibits a high diffusion coefficient (3.68 × 10⁻¹⁰ m² s⁻¹), low activation energy (0.078 mJ mol⁻¹) and extraordinary wettability in the IL electrolyte, indicating its superior IL ion dynamics. As a proof of concept, flexible ionogel SCs (FISCs) with tailorability and editability are fabricated, which exhibit a high energy density (10.5 mWh cm⁻³), high-power density, remarkable rate capability, and long-term durability, outperforming previously reported FISCs. Importantly, these FISCs can be effectively charged by harvesting sustainable power sources, particularly the rarely studied wind power, for practical applications.

离子液体（IL）电解质由于势能窗口宽而具有开发高能量密度超级电容器（SCs）的巨大潜力，但是ILs由于其高粘度和大离子尺寸而受到离子扩散缓慢的困扰。开发与IL电解质具有高度相容性的超湿性电极仍然具有挑战性。受自然界观察到的生物学特性的启发，合成了具有龟背竹叶状纳米结构的独特薄膜电极，并将其用于克服上述瓶颈。类似于龟背竹叶片中允许空气和水蒸气渗透的孔，膜电极基于多孔g -C ₃ N ₄纳米片（〜1 nm厚）作为离子可接近的“高速公路”通道，允许IL离子超快扩散。该膜在IL电解质中显示出高扩散系数（3.68×10 ^-10  m ²  s ^-1），低活化能（0.078 mJ mol ^-1）和非凡的润湿性，表明其优异的IL离子动力学。作为概念验证，制造了具有可定制性和可编辑性的柔性离子凝胶SC（FISC），它们具有高能量密度（10.5 mWh cm ^-3），高功率密度，出色的倍率性能和长期耐用性，胜过先前报道的FISC。重要的是，这些FISC可以通过为实际应用收集可持续的电源（尤其是很少研究的风能）来有效充电。