| 摘要 |
PROBLEM TO BE SOLVED: To provide a solid-state electrolytic capacitor that uses a soluble conductive high polymer aqueous solution, which is capable of forming a conductive high-polymeric film on a dielectric oxide film formed inside the porous object of valve action metal, such as aluminum, tantalum, niobium, etc., by the method wherein it is applied and hardened, and efficiently producing electrostatic capacitance. SOLUTION: Polystyrensulfonic acid and ammonium perborate are added as a dopant and an oxidizing agent respectively to polymer of cation form consisting of a repetitious structure unit of 3,4-ethylene dioxy thiophene to compound a high molecular aqueous solution through chemical oxidative polymerization, a glycolic solvent is added as an additive to the above high molecular aqueous solution to form a solvent-added high molecular aqueous solution, and the solvent-added high molecular aqueous solution is applied on a dielectric oxide film formed on the porous object of valve action metal or on a polystylenesulfonic acid film formed on the dielectric oxide film and hardened into a conductive high molecular film. The solid-state electrolytic capacitor is equipped with solid-state electrolyte containing the above conductive high molecular film. COPYRIGHT: (C)2008,JPO&INPIT
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