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1. 发明公开

EP2881958A1 SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME 有权
标题翻译： FERSTELEKTROLYTKONDENSATOR UND HERSTELLUNGSVERFAHRENDAFÜR
公开(公告)号：EP2881958A1
公开(公告)日：2015-06-10
申请号：EP13825539.3
申请日：2013-07-30
申请人： Nippon Chemi-Con Corporation
发明人： KOSEKI, Kazuya , KURODA, Kouichi , KAWAKAMI, Junichi , SAKAKURA, Masao
IPC分类号： H01G9/028 , H01G9/035
摘要： A high voltage proof solid electrolytic capacitor that can prevent deterioration of voltage proof property due to lead-free reflow etc. and a manufacturing method thereof are provided. A capacitor element having an anode and cathode electrode foils wound via a separator is impregnated with a dispersion comprising conductive polymer particles or powder and a solvent to form a solid electrolyte layer consisting of a conductive polymer, and the voids inside the capacitor element having the solid electrolyte layer formed are filled with an ion-conducting substance comprising a mixed solvent comprising ethylene glycol and γ-butyrolactone together with a solute selected from at least one type of an ammonium salt, a quaternary ammonium salt, a quaternized amidinium salt, and an amine salt of an organic acid, an inorganic acid, and a composite compound between organic acid and inorganic acids to obtain a solid electrolytic capacitor.
摘要翻译：提供一种能够防止由于无铅回流焊等导致的耐电压劣化的耐高压固体电解电容器及其制造方法。具有通过隔板卷绕的阳极和阴极电极箔的电容器元件用包含导电聚合物颗粒或粉末和溶剂的分散体浸渍以形成由导电聚合物组成的固体电解质层，并且具有固体的电容器元件内的空隙形成的电解质层填充有离子导电物质，其包含包含乙二醇和3-丁内酯的混合溶剂以及选自至少一种类型的铵盐，季铵盐，季铵化脒盐和胺的溶质有机酸盐，无机酸和有机酸与无机酸之间的复合化合物，得到固体电解电容器。

2. 发明公开

EP2937880A1 ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME 有权
标题翻译：电解电容器及其制造方法
公开(公告)号：EP2937880A1
公开(公告)日：2015-10-28
申请号：EP13863949.7
申请日：2013-12-16
申请人： Nippon Chemi-Con Corporation
发明人： KOSEKI, Kazuya , KURODA, Kouichi , SAKAKURA, Masao , MATSUZAKI, Tomohiro , NAKAJI, Takayuki
IPC分类号： H01G9/028 , H01G9/035
CPC分类号： H01G9/145 , H01G9/0036 , H01G9/028 , H01G9/035 , H01G9/042 , H01G9/151
摘要： Provided are an electrolytic capacitor with high withstand voltage capable of preventing deterioration of withstand voltage characteristics caused by lead-free reflow or the like and improving ESR characteristics, and a manufacturing method thereof. The electrolytic capacitor is obtained by impregnating a capacitor element in which an anode electrode foil and a cathode electrode foil are wound with a separator interposed, with a dispersion containing: particles of a conductive polymer; sorbitol or sorbitol and polyalcohol; and a solvent so as to form a solid electrolyte layer containing 60 to 92 wt% of the sorbitol or the sorbitol and polyalcohol, and by filling an electrolytic solution containing ethylene glycol in a gap portion in the capacitor element on which the solid electrolyte layer is formed.

3. 发明授权

EP2881958B1 SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME 有权
公开(公告)号：EP2881958B1
公开(公告)日：2020-08-26
申请号：EP13825539.3
申请日：2013-07-30
申请人： Nippon Chemi-Con Corporation
发明人： KOSEKI, Kazuya , KURODA, Kouichi , KAWAKAMI, Junichi , SAKAKURA, Masao
IPC分类号： H01G9/028 , H01G9/035

4. 发明授权

EP2937880B1 ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME 有权
标题翻译：电解电容器及其制造方法
公开(公告)号：EP2937880B1
公开(公告)日：2017-12-27
申请号：EP13863949.7
申请日：2013-12-16
申请人： Nippon Chemi-Con Corporation
发明人： KOSEKI, Kazuya , KURODA, Kouichi , SAKAKURA, Masao , MATSUZAKI, Tomohiro , NAKAJI, Takayuki
IPC分类号： H01G9/028 , H01G9/035
CPC分类号： H01G9/145 , H01G9/0036 , H01G9/028 , H01G9/035 , H01G9/042 , H01G9/151
摘要： Provided are an electrolytic capacitor with high withstand voltage capable of preventing deterioration of withstand voltage characteristics caused by lead-free reflow or the like and improving ESR characteristics, and a manufacturing method thereof. The electrolytic capacitor is obtained by impregnating a capacitor element in which an anode electrode foil and a cathode electrode foil are wound with a separator interposed, with a dispersion containing: particles of a conductive polymer; sorbitol or sorbitol and polyalcohol; and a solvent so as to form a solid electrolyte layer containing 60 to 92 wt% of the sorbitol or the sorbitol and polyalcohol, and by filling an electrolytic solution containing ethylene glycol in a gap portion in the capacitor element on which the solid electrolyte layer is formed.

5. 发明公开

EP3330987A1 ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME 有权
公开(公告)号：EP3330987A1
公开(公告)日：2018-06-06
申请号：EP17208295.0
申请日：2013-12-16
申请人： Nippon Chemi-Con Corporation
发明人： KOSEKI, Kazuya , KURODA, Kouichi , SAKAKURA, Masao , MATSUZAKI, Tomohiro , NAKAJI, Takayuki
IPC分类号： H01G9/028 , H01G9/035
CPC分类号： H01G9/145 , H01G9/0036 , H01G9/028 , H01G9/035 , H01G9/042 , H01G9/151
摘要： Provided are an electrolytic capacitor with high withstand voltage capable of preventing deterioration of withstand voltage characteristics caused by lead-free reflow or the like and improving ESR characteristics, and a manufacturing method thereof. The electrolytic capacitor is obtained by impregnating a capacitor element in which an anode electrode foil and a cathode electrode foil are wound with a separator interposed, with a dispersion containing: particles of a conductive polymer; sorbitol or sorbitol and polyalcohol; and a solvent so as to form a solid electrolyte layer containing 60 to 92 wt% of the sorbitol or the sorbitol and polyalcohol, and by filling an electrolytic solution containing ethylene glycol in a gap portion in the capacitor element on which the solid electrolyte layer is formed.

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