Coaxial electrospinning as a promising technique for fabricating advanced materials for energy storage applications

As the demand for efficient, high-performance energy storage systems intensifies, the need for innovative materials that can enhance energy density, power output, and cycle stability has become paramount. Coaxial electrospinning, a versatile nanofabrication technique, has emerged as a powerful method for producing advanced core-shell nanofibers with tailored properties specifically designed for energy storage applications. This review delves into the principles of coaxial electrospinning, highlighting its advantages over conventional fabrication techniques in creating multifunctional materials for batteries and supercapacitors. By manipulating the core and shell compositions, coaxial nanofibers offer superior ion/electron transport, mechanical stability, and electrochemical performance. The review discusses the latest breakthroughs in the field, including material selection, fiber design strategies, and the resulting improvements in energy storage capacity and durability. Challenges and future opportunities for scaling coaxial electrospinning to meet commercial demands are also explored, positioning this technique as a promising frontier for next-generation energy storage solutions.