Dielectric Polymers for Capacitors

Dielectric polymers play a pivotal role in modern capacitor technology due to their lightweight, flexibility, and tunable properties. This chapter delves into the intricate polarization mechanisms, electrical breakdown strength, energy storage capabilities, and charge–discharge efficiencies of dielectric polymers. It also evaluates the various techniques, including electrospinning, spin coating, and solution processing used to synthesize polymer dielectrics. To enhance dielectric properties and energy storage densities, the chapter highlights recent advancements such as grafting, crosslinking, and the development of polymer blends and layered structures. Furthermore, it explores the potential applications of polymer-based dielectrics in cutting-edge electronics, electric vehicles, and renewable energy systems.