| abstract |
A solid electrolytic capacitor element capable of realizing a low ESR and a solid electrolytic capacitor having the same.n n n The solid electrolytic capacitor element 100 has the solid electrolyte layers 12a and 12b and the cathode layers 14a and 14b formed of a conductive polymer in order on the surface of the anode foil 11 made of a metal acting as a valve, The positive electrode foil is provided with at least one through-hole 16 penetrating in the thickness direction of the positive electrode foil, and the through-hole electrically connects the solid electrolyte layer on one side of the positive electrode foil and the solid electrolyte layer on the other side of the positive electrode foil And connection means are provided.n n n n Solid electrolytic capacitor, electrolyte layer, anode foil, anode terminal, low ESR |