• Electrospinning enables precise fabrication of nanofiber components for flexible lithium-ion batteries, enhancing energy density and cycling stability.
• Carbon nanofibers improve electrical conductivity, chemical stability, and surface area, crucial for high-performance FLIBs.
• Optimization of electrospinning parameters (electric field, spinning rate, concentration, carbonization) is key to battery reliability under mechanical deformation.
• Carbon-based materials in electrodes, electrolytes, and separators present both challenges and opportunities for advancing flexible energy storage.