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Conductive electrolyte system with viscosity reducing co-solvents
Conductive electrolyte system with viscosity reducing co-solvents
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机译:具有降粘助溶剂的导电电解质体系
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摘要
The present invention is directed to a conductive electrolyte for use in high voltage electrolytic capacitors and to an electrolytic capacitor impregnated with the electrolyte of the present invention for use in an implantable cardioverter defibrillator (ICD). The electrolyte according to the present invention is composed of a two solvent mixture of ethylene glycol and a polar organic cosolvent. Dissolved in this mixture is a combination of: a high dielectric cosolvent, a long chain monocarboxylic acid and an aliphatic dicarboxylic acid of carbon chain length from eight to thirteen (C8 to C13). The solution is then neutralized with an amine. A cathode depolarizer, or degassing agent may be added to reduce the amount of gas produced during capacitor life. Hypophosphorous acid may be added to enhance the life characteristics of the electrolyte. The water content may be adjusted with deionized water to achieve a Karl Fischer titration (water content) measurement of about 1.0% to about 8.0% to achieve proper age characteristics.
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