| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrolytic solution for driving an electrolytic capacitor and the electrolytic capacitor, which are capable of showing the stabilized value of leakage current within the temperature range of not higher than 105°C and showing high acoustic quality when the same is employed as a capacitor for sound. SOLUTION: The electrolytic solution, exhibiting the electric characteristics of the electrolytic capacitor stabilized within the temperature range until 105°C and exhibiting high acoustic quality as the capacitor for sound, can be obtained by a method whereinγ-butyrolactone is contained as a main solvent and at least one kind or more of subsolvents is contained while organic carboxylic acid or the salt thereof is contained as a solute andγ-valerolactone is contained. COPYRIGHT: (C)2009,JPO&INPIT
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