Solid electrolytic capacitor

摘要

A solid electrolytic capacitor comprises a capacitor element which includes an anode foil and a cathode foil rolled with a separator interposed therebetween, and a solid electrolyte layer or an electrically conductive polymer layer provided therein. The cathode foil is coated with a film of a titanium-containing compound metal nitride. The compound metal nitride is aluminum titanium nitride, chromium titanium nitride, zirconium titanium nitride or titanium carbonitride.