Process for producing polymer capacitors for high reliability applications

The present invention relates to a method for manufacturing a capacitor, comprising the steps: (a) provision of a porous electrode body made of an electrode material, wherein a dielectric at least partially covers a surface of this electrode material; (b) introduction of a liquid composition which comprises an electrically conductive polymer, at least one high-boiling solvent into at least a part of the porous electrode body provided in step (a) and at least partial removal of the high-boiling solvent for the formation of a solid electrolyte that at least partially covers a surface of the dielectric; (c) filling at least a part of the pores of the porous electrode body obtained in step (b) with an impregnation solution comprising at least one impregnation solvent; (d) encapsulation of the porous electrode body obtained in step (c), and to capacitor manufactured with this method, and the use thereof.