It’s this oxide layer that actually acts as the dielectric in electrolytic capacitors, not the paper separator between the anode and cathode strips. Winding the foils together with the paper ...

Pouch cells essentially are an enclosed anode and cathode with a separator and conducting ... performance anode materials for flexible Li-ion capacitors, Energy Materials and Devices (2023).

Solid tantalum capacitors are typically comprised of a pellet-shaped anode, formed from tantalum powder, and a cathode constructed of manganese dioxide. The image below shows a cutaway view of a solid ...

A diagram showing a typical cylindrical cell design, with tabs to connect the anode and cathode to the cell casing. Source: Tesla Tesla are somewhat unique among electric car makers in that they ...