Solid Electrolytic Capacitor Formed From Conductive Polymer Particles
AssigneeAVX Corporation
InventorsKiyofumi Aoki, Jan Petrzilek
Life of this patent
Estimating the term…
Abstract
A solid electrolytic capacitor containing a capacitor element is provided. The capacitor element contains a sintered porous anode body, a dielectric that overlies the anode body, a solid electrolyte that overlies the dielectric that includes conductive polymer particles that contain a complex formed from a thiophene polymer and a copolymer counterion, and an external polymer coating that overlies the solid electrolyte and includes conductive polymer particles.
Claims30
A solid electrolytic capacitor comprising a capacitor element that contains:
- a sintered porous anode body;
- a dielectric that overlies the anode body;
- a solid electrolyte that overlies the dielectric, wherein the solid electrolyte includes conductive polymer particles that contain a complex formed from a thiophene polymer and a copolymer counterion;
- and
- an external polymer coating that overlies the solid electrolyte and includes conductive polymer particles.
The solid electrolytic capacitor of clam 11, wherein the solid electrolyte contains at least one outer layer.
Dependencies are inferred from the claim text.