<p>A solid electrolytic capacitor (1) comprises a capacitor device (2) wherein an anode foil (4) and a cathode foil (5) are rolled while having a separator (6) interposed therebetween and a solid electrolyte layer or a conductive polymer layer is formed inside. A coating composed of a nitride of a composite metal compound containing titanium is formed on the cathode foil (5). The nitride of a composite metal compound is an aluminum titanium nitride, a chromium titanium nitride, a zirconium titanium nitride or a titanium carbonitride.</p>
