Tdk Electronics Ag

Péter Kerepesi

Norbert Will

László Dobai

Csaba Tóth

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 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.

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Nyergesujfalu, Hungary

Péter Kerepesi