Hybrid polymer aluminum electrolytic capacitor and method of manufacturing a capacitor
AssigneeTDK Electronics Co., Ltd.
InventorsNorbert Will, László Dobai, Péter Kerepesi, Csaba Tóth
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Abstract
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.
Claims40
A method for manufacturing a capacitor, the method comprising:
- 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 with a pulse duration of 2 seconds to a maximum of 20 seconds to the flooded winding element.
A method of manufacturing a capacitor, the method comprising:
- winding an anode foil, separators and a cathode foil around an axis to form a winding element;
- arranging the winding element in a tube;
- and
- forcing a polymer dispersion to flow through the tube and thereby through the winding element,
- wherein the polymer dispersion contains electrically conductive solid polymer particles or a polymer powder and a solvent.
Dependencies are inferred from the claim text.