A capacitor includes a capacitor element that holds a predetermined solution between an anode foil and a cathode foil wound up with a separator in between, a body case that is formed in the shape of a bottomed tube closed at one end with a wall and open at the other end to have an opening, a liquid supply sheet that is arranged between the inner face of the case and the outer face of the element, and a sealing member that seals the opening. The solution has a sealing member deterioration preventing agent dissolved in a lipophilic solvent. The sheet has an absorption portion that makes contact with the separator to absorb the solution and a supply portion that makes contact with the sealing member to supply it with the solution.

A solid electrolytic capacitor includes a solid electrolyte and an electrolyte between electrode foils, and a method for manufacturing the solid electrolytic capacitor can suppress a rise in ESR and realize a longer life. As a solution, in a solid electrolytic capacitor, a basic component of an electrolytic solution contains an amine represented by formula (1). In the formula, R.sup.1 represents hydrogen or an alkyl group, R.sup.2 represents an alkylene group, R.sup.3 represents an alkyl group. n represents an integer of 1 to 100, wherein R.sup.2's may be the same or different when n is 2 or more. m represents an integer of 1 to 3, wherein R.sup.1's may be the same or different when m is 1, and when m is 2 or 3, R.sup.2's may be the same or different, n's may be the same or different, and R.sup.3's may be the same or different.

NR.sup.1.sub.(3-m)((R.sup.2O).sub.nR.sup.3).sub.m(1)

An electrical circuit arrangement has at least one capacitor (1) and at least one other circuit part (4) electrically cooperating with the first capacitor (1). The first capacitor (1) is part of a first capacitor arrangement (2) which annularly surrounds the cavity (3). The other circuit part (4) is provided at least partially within the cavity (3) and is electrically connected to the first capacitor (1). The first capacitor arrangement (2) has fastening elements (7) by means of which the circuit arrangement can be mechanically fastened to a holding element (8).

The instant disclosure provides a soluble nanoparticle solution for a capacitor and a capacitor package structure including the same. The soluble nanoparticle solution at least includes a polyol, a glycol, a soluble nanoparticle and a dispersing agent. The polyol has a molecular weight ranging from 50 to 1000 g/mol, and the glycol has 2 to 8 carbon atoms.

An electrode foil that progresses an enlargement of the surface area of a dielectric film and that barely causes cracks which would even break a core part at the time of winding, a winding capacitor obtained by winding the electrode foil, an electrode foil manufacturing method, and a winding capacitor manufacturing method are provided. An electrode foil is formed of a belt-like foil, and has a surface enlarged part, a core part, and a plurality of separation parts. The surface enlarged part is formed on the surface of the foil, and the core part is a part remained when excluding the surface enlarged part within the foil. The separation part extends in a width direction of the belt in the surface enlarged part, dividing the surface enlarged part. The plurality of separation parts share bending stress when the electrode foil is wound, preventing concentration of stress.

A low leakage electrolytic capacitor includes a winding-type capacitor element, a hybrid electrically conductive medium and a package body. The winding-type capacitor element includes an anode foil, a cathode foil, and a separator interposed between the anode foil and the cathode foil. The hybrid electrically conductive medium is impregnated in the winding-type capacitor element and includes an electrically conductive polymer, an auxiliary polymer, an ion liquid, and a carbon filler. The package body encloses the winding-type capacitor element and the hybrid electrically conductive medium.

Provided is an airtight terminal that is designed to enable implementation of a method for sealing a can case with the airtight terminal with improved readiness and at a reasonable price, as well as an electrical device package and a method for manufacturing an electrical device package. Provided is an airtight terminal that includes a lid composed of a dish-shaped thin metal sheet having a through hole in a surface of the sheet, a lead passing through the through hole in the lid, and an insulating material to hermetically seal a gap between the lead and the lid, wherein the lid has an engagement portion along an edge of the lid to seal a can case by seaming.

An apparatus is disclosed which includes an electrolytic capacitive element with multiple capacitor sections.

Provided is a solid electrolytic capacitor having a lower leakage current than a conventional solid electrolytic capacitor. The solid electrolytic capacitor includes: an anode foil having a surface on which an oxide film is formed; a cathode foil; and a separator disposed between the anode foil and the cathode foil, wherein a solid electrolyte made of a conductive high-molecular weight compound in a fine particle form and a water-soluble high-molecular weight compound solution which is formed of a water-soluble high-molecular weight compound in a liquid form, water and alcohol having a nitro group are introduced into a gap formed between the anode foil and the cathode foil in a state where the water-soluble high-molecular weight compound solution surrounds the solid electrolyte.

The present disclosure provides a capacitor assembly having a non-symmetrical electrode structure and a capacitor seat structure thereof. The capacitor assembly includes a capacitor seat structure and a capacitor package structure. The capacitor seat structure includes a capacitor seat, a first electrode layer and a second electrode layer. The capacitor seat has a first through hole, a first groove, a second through hole and a second groove. The capacitor package structure includes a first conductive pin and a second conductive pin. The first conductive pin passes through the first through hole and is disposed inside the first groove to electrically contact the first electrode layer. The second conductive pin passes through the second through hole and is disposed inside the second groove to electrically contact the second electrode layer.