| 摘要 |
PROBLEM TO BE SOLVED: To form a conductive polymer layer containing dopant in a capacitor element that is wound via a separator, and to suppress an increase in ESR in an electrolytic capacitor, where the gap between the conductive polymer layers is dipped into an electrolyte, at the lapse of time in the electrolytic capacitor using the winding type capacitor element. SOLUTION: In the electrolyte for electrolytic capacitors used for the electrolytic capacitor, the conductive polymer layer is formed in the capacitor element in which an anode formation foil and a counter cathode foil are wound via the separator and the gap between the conductive polymer layers is dipped into the electrolyte. In the electrolyte, the molar ratio between an acid constituent and a basic constituent that are electrolyte constituents of the electrolyte is set so that an acid is excessive. COPYRIGHT: (C)2007,JPO&INPIT
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