A sustainable energy transition requires clean and efficient conversion and storage of electrical energy using green energy resources like sun and wind. Addressing pressing concerns, it becomes crucial to explore diverse, clean, and sustainable energy sources . In addition to energy storage devices, such as lithium-ion batteries, supercapacitors have attracted attention. Due to their inherent advantages such as fast charging and discharging rates, high power density, excellent thermal stability, and long service life , they have become widely used in various technologies, such as hybrid automobile vehicles, uninterruptable power supply, and electronic devices .