| 摘要 |
PROBLEM TO BE SOLVED: To make extensible at a high temperature the life time of an electrolytic-capacitor driving electrolyte, by adding to an organic solvent one or more kinds of solutes made of inorganic and organic acids or these salts, and by dissolving additively a cationic interfacial activator to the solvent to form the electrolyte. SOLUTION: Adding one or more kinds of solutes made of inorganic and organic acids or these salts to an organic solvent, a cationic interfacial activator is dissolved additively in the solvent to use the resultant as an electrolytic- capacitor driving electrolyte. Hereupon, the structure of the cationic interfacial activator is formed based on the equation of +N-(R1)(R2)(R3)-(CH2-O)m-H (where R1-R3 are substituents selected from among -C2H4OH, -CH2OH, -CH3, -C2H5, and -H, and R1-R3 may be selected simultaneously to be the same substituent, and further, m is an arbitrary natural number.). Still, it is not desirable that the cationic interfacial activator of -C2H4OH is added independently to the solvent of ethylene glycol, because its solubility in ethylene glycol is reduced.
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