Epcos Ag

Tdk Electronics Ag

Siemens Aktiengesellschaft

Siemens Aktiengesellscaft

Norbert Will

Fabio Augusto Bueno De Camargo Mello

László Dobai

Csaba Tóth

Péter Kerepesi

Wilhelm Schweikert

Rainer Hebel

Igor Peretta

Moisés Coster

Rudolf Minihoffer

Walter Riedesser

Wilhelm Lauer

Emerson Almeida

Thales Machado

Paulo Faria

Max Krapf Costa

Rudolf Wittman

Fabio Augusto Bueno De Carmargo Mello

Ivan Antoniolli

Eduardo Kasper

Fabiano Buzetto

A hybrid polymer aluminum electrolytic capacitor and a method for manufacturing a capacitor are disclosed. In an embodiment a capacitor includes a first winding element having an anode foil, separators and a cathode foil which are wound around an axis and which are covered by a conductive polymer, wherein the first winding element includes a liquid electrolyte and a second winding element having an anode foil, separators and a cathode foil which are wound around an axis and which are covered by a conductive polymer, wherein the second winding element includes a liquid electrolyte, wherein each winding element has a height of more than 12 mm, wherein the first and second winding elements are arranged in a common can, wherein each winding element includes a tab connected to a respective anode foil and a tab connected to a respective cathode foil, wherein the tabs connected to the anode foils are connected to each other and the tabs connected to the cathode foils are connected to each other such that the first and second winding elements are electrically connected parallel to each other, and wherein the capacitor is a hybrid polymer aluminum electrolytic capacitor.

Hybrid polymer aluminum electrolytic capacitor and method of manufacturing a capacitor

In an embodiment, a capacitor includes a winding element having a diameter of more than 10 mm, at least two tabs electrically contacted with an anode foil and at least two tabs electrically contacted with a cathode foil, wherein the capacitor is a hybrid polymer aluminum electrolytic capacitor, wherein the winding element is arranged inside a can having a can bottom, and wherein the can comprises a corrugation which fixes the winding element.

A hybrid polymer aluminum electrolytic capacitor and a method for manufacturing a capacitor are disclosed. In an embodiment a method for manufacturing a capacitor includes winding an anode foil, separators and a cathode foil around an axis to form a winding element, flooding the winding element with a polymer dispersion, wherein the polymer dispersion contains electrically conductive solid polymer particles or a polymer powder and a solvent and applying pulses of overpressure to the flooded winding element.

A capacitor and a method for producing a capacitor are disclosed. In an embodiment, the capacitor includes a winding having a cathode foil, an anode foil and separators arranged therebetween, an overlap-free region, wherein the cathode foil does not overlap with the anode foil in the overlap-free region, wherein the overlap-free region adjoins an overlapping region, and wherein the cathode foil overlaps with the anode foil in a lateral direction in the overlapping region, and a cathode contact arranged in the overlap-free region, the cathode contact contacting the cathode foil.

Capacitor and method for producing a capacitor

A capacitor and a method for producing a capacitor are disclosed. In an embodiment, a capacitor includes a winding having a cathode foil, an anode foil, separators arranged therebetween and a projection region in which the cathode foil projects beyond the anode foil, wherein, in the projection region, a plurality of layers of the cathode foil are arranged to form a bundle and are directly electrically connected to one another.

A capacitor is disclosed. In an embodiment a capacitor includes a container and a capacitor winding arranged inside the container, wherein the container comprises at least three ribs projecting into the container and located in the container at a transition from a container wall to a container base, wherein the container comprises at least one bead in the container wall, wherein the at least one bead reach around a circumference of the container, wherein the capacitor winding abuts the bead, and wherein the capacitor winding is deformed by the rips.

Capacitor container having ribs for fastening a capacitor winding

A hybrid polymer aluminum electrolytic capacitor and a method for manufacturing a capacitor are disclosed. In an embodiment a hybrid polymer aluminum electrolytic capacitor includes a winding element having a diameter of more than 10 mm, at least two tabs electrically contacted with an anode foil and at least two tabs electrically contacted with a cathode foil.

An electrolytic capacitor is disclosed. In an embodiment an electrolytic capacitor includes a housing having a base and an opening arranged opposite the base and a closure element being at least partly introduced into the opening, wherein the closure element is configured to close the housing, wherein the closure element includes a sealing element for electrically insulating a connection between closure element and housing, and wherein the closure element comprises at least one first contact element for electrically conductive connecting a second contact element.

Electrolytic capacitor

A capacitor component is disclosed. In an embodiment a capacitor component includes a winding having an oval core hole, which has a maximum diameter and a minimum diameter, wherein the minimum diameter is smaller than the maximum diameter, and wherein the winding is designed such that a deformation of the winding that occurs only locally is producible by a force acting punctiformly on the winding.

Capacitor component

A method for manufacturing an electrochemical cell first includes providing a cup-shaped housing with at least one first indentation. Thereafter, an electrode stack is placed in the housing and then, the first indentation is indented further in a direction towards the inside of the housing by a applying a force on the housing laterally to the first indentation, during which the electrode stack becomes fixed in the housing. As a result, electrode stacks can be fixed particularly easily and reliably in cup-shaped housings. An electrochemical cell is also provided.

Process for manufacturing an electrochemical cell and an electrochemical cell

An electrochemical cell includes an electrode stack and a housing that is substantially cylindrical in shape and that holds the electrode stack. The housing has an indentation that forms a substantially flat contact area with the electrode stack. A method for producing the electrochemical cell includes inserting the electrode stack into the housing, bringing a die into contact with the housing, the die having a head with at least three contact points that come into contact with the housing, and stamping the die onto the housing to form the indentation.

Vibration-resistant electrochemical cell, and method for the production thereof

A fastening arrangement uses a fastening plate for fastening a component on a printed circuit board. The fastening plate has incisions that separate the direct connections between the printed circuit board fastening points and the component fastening points of the fastening plate. Over and above this, the invention is directed to the employment of the fastening plate. Due to the incisions in the fastening plate, a solder star electrolytic capacitor having high resistance to oscillation is obtained and can be advantageously utilized in the automotive sector.

Fastening arrangement having a fastening plate and employment of the fastening arrangement

The invention is directed to a layer stack for the acceptance of a liquid having a suction layer ( ) with high absorbency sufficing for sucking up the liquid from the edge of the layer stack into its middle and having a first storage layer ( ) with low absorbency that is not sufficient for sucking up the liquid from the edge of the layer stack up to its middle between which an intermediate layer ( ) composed of non-absorbent material and adjoining the first storage layer ( ) is arranged, whereby a non-absorbent edge layer ( ) is arranged at that side of the first storage layer ( ) facing away from the intermediate layer ( ), and whereby the intermediate layer ( ) comprises through holes ( ) whose plurality, size and distribution is selected such that some of the liquid suctioned up by the suction layer ( ) can proceed via the holes ( ) to the first storage layer and thoroughly saturate this. By foregoing a second suction layer, electrolytic capacitors with a significantly lower space requirement can be manufactured.

Layer stack

An aluminum electrolyte capacitor with reduced inductivity is installed in a metal housing that is closed by a cover disk provided with metallic lead-throughs. Electrically conductive bodies are arranged at the cover disk at a region of high magnetic fields when current flows.

Aluminum electrolyte capacitor with reduced inductivity

A low-inductance electrolytic capacitor has an additional current guidance being provided from the winding via the pot and an electrically conductive disk to the negative lead-through, so that the current is divided for reducing the self-inductance.

Growing community of inventors

Heidenheim, Germany

Norbert Will