Used in high-performance polymer composites for lightweight aerospace structures, transparent conductive films for flexible touchscreens and wearable electronics, supercapacitor electrodes with ultra-high surface area (2630 m²/g) for energy storage, lithium-ion battery anodes for fast-charging electric vehicles, conductive inks for printed electronics and RFID tags, EMI shielding coatings for electronic devices, water filtration membranes for desalination and contaminant removal, biosensors for real-time glucose and DNA detection, thermal interface materials for heat dissipation in smartphones and computers, corrosion-resistant coatings for metals, and field-effect transistors for high-speed computing. Graphene's exceptional electrical conductivity (10⁶ S/m), mechanical strength (130 GPa), and flexibility enable revolutionary applications across electronics, energy, and materials science.