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1. 发明申请

US20090303664A1 ELECTROLYTIC CAPACITOR 审中-公开
标题翻译：电解电容器
公开(公告)号：US20090303664A1
公开(公告)日：2009-12-10
申请号：US12093514
申请日：2006-11-15
申请人： Fusayoshi Endoh , Kentaro Nakaaki , Masashi Ozawa , Koichi Yoshida , Osamu Nakamura
发明人： Fusayoshi Endoh , Kentaro Nakaaki , Masashi Ozawa , Koichi Yoshida , Osamu Nakamura
IPC分类号： H01G9/025
CPC分类号： H01G9/045 , H01G9/008 , H01G9/055 , H01G9/145
摘要： An electrolytic capacitor employs a capacitor element wherein an anode foil having an anode internal terminal and a cathode foil having a cathode internal terminal are wound or laminated through a separator. The end of the anode foil faces the cathode foil through the separator and the surface area of the cathode internal terminal is provided with an enlargement treatment, whereby the small area portion of the cathode foil that faces with the anode foil is eliminated, improving the charge/discharge characteristics. Furthermore, in the electrolytic capacitor provided with the capacitor element wherein the anode foil having the anode internal terminal and the cathode foil having the cathode internal terminal are wound or laminated through the separator, the capacitor element being impregnated with an electrolyte, the cathode internal terminal includes an aluminum material, the surface of the cathode internal terminal is etched and iron concentration in the etching layer
摘要翻译：电解电容器采用电容器元件，其中具有阳极内部端子的阳极箔和具有阴极内部端子的阴极箔通过隔板缠绕或层压。阳极箔的端部通过隔膜面向阴极箔，并且阴极内部端子的表面积被提供放大处理，从而消除了与阳极箔面对的阴极箔的小面积部分，从而改善电荷 /放电特性。此外，在设置有电容器元件的电解电容器中，其中具有阳极内部端子的阳极箔和具有阴极内部端子的阴极箔通过隔板卷绕或层压，电容器元件浸渍有电解质，阴极内部端子包括铝材料，阴极内部端子的表面被蚀刻，并且蚀刻层中的铁浓度<300ppm。

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