Electric Double Layer Capacitors Electric double layer capacitors are two-terminal energy storage devices that collect voltage as current flows through an electrical circuit. They generate electrical field between two conductor plates and are referred to as super capacitors. Electric double-layer capacitors are supported the operational principle of the electrical double-layer that is shaped at the interface between activated charcoal and a solution. The activated charcoal is used as an electrode, and the principle behind the capacitor. Activated charcoal is employed in its solid form, and the electrolytic fluid is liquid. When these materials are available contact with one another, the positive and negative poles are distributed relative to each other over an extremely short distance. Such a phenomenon is known as an electric double-layer. When an external electric field is applied, the electric double-layer that is formed in the vicinity of the activated charcoal's surf...