SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide a solid electrolytic capacitor which hardly causes the degradation in characteristic even under a high stress; and a method for manufacturing the solid electrolytic capacitor.SOLUTION: A method for manufacturing a solid electrolytic capacitor comprises the steps of:...

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Hauptverfasser:	MINEMURA HIDETOSHI, OTSUKI TERUKI, UEDA AKIRA, UMEHARA TAKAHIRO, SATO MUNEKATSU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a solid electrolytic capacitor which hardly causes the degradation in characteristic even under a high stress; and a method for manufacturing the solid electrolytic capacitor.SOLUTION: A method for manufacturing a solid electrolytic capacitor comprises the steps of: impregnating a polymer fluid dispersion including polyethylene dioxythiophene(PEDOT)/polystyrene sulfonic acid (PSS) into a capacitor element arranged by winding cathode electrode foil and anode electrode foil with a dielectric oxide coating formed thereon with a separator interposed therebetween; and drying the capacitor element. In the method, the fluid dispersion includes a silane coupling agent having a glycidyl group and a diglycidyl compound.SELECTED DRAWING: None 【課題】高ストレス下でも、特性が低下しにくい固体電解コンデンサおよびその製造方法を提供する。【解決手段】誘電体酸化皮膜が形成された陽極電極箔と、陰極電極箔とを、セパレータを介して巻回してなるコンデンサ素子を、ポリエチレンジオキシチオフェン（ＰＥＤＯＴ）／ポリスチレンスルホン酸（ＰＳＳ）を含むポリマー分散液に含浸および乾燥させる工程を有する固体電解コンデンサの製造方法であって、前記分散液が、グリシジル基を有するシランカップリング剤と、ジグリシジル化合物とを含有していることを特徴とする。【選択図】なし