ELECTROCONDUCTIVE-POLYMER SOLUTION, CAPACITOR, AND PROCESS FOR PRODUCING CAPACITOR
申请人:Shin-Etsu Polymer Co., Ltd.
公开号:EP3349228A1
公开(公告)日:2018-07-18
[Object]
To provide a conductive polymer solution capable of forming a capacitor having a large capacitance, low ESR, and excellent long-term reliability without using treatment solutions for conductive polymer layer formation differing in composition, and without forming an inside conductive polymer layer by different approaches, the capacitor and a method for producing the capacitor
[Solution]
The present invention relates to: a conductive polymer solution which comprises a conductive polymer and a solvent, wherein the conductive polymer comprises a pi-conjugated conductive polymer, a polyanion with which the pi-conjugated conductive polymer has been doped, and a compound formed by reacting an oxirane or oxetane group with an anion making no contribution to the dope in the polyanion, and the solution has a pH in the range of 2.0 to 6.0; a capacitor which includes either the conductive polymer solution or the compounds remaining after removal of the solvent from the solution; and a method for producing a capacitor, comprising impregnating the capacitor with the conductive polymer solution and removing the solvent therefrom.
目的
提供一种导电聚合物溶液,无需使用成分不同的导电聚合物层形成处理溶液,也无需通过不同方法形成内部导电聚合物层,即可形成具有大电容、低ESR和出色的长期可靠性的电容器,该电容器和生产该电容器的方法
[解决方案]
本发明涉及:一种导电聚合物溶液,它包括导电聚合物和溶剂,其中导电聚合物包括π-共轭导电聚合物、掺杂了π-共轭导电聚合物的聚阴离子、以及由环氧乙烷或氧杂环丁烷基团与聚阴离子中对掺杂无贡献的阴离子反应形成的化合物,且溶液的 pH 值在 2.0至6.0的范围内;一种电容器,其中包括导电聚合物溶液或从溶液中除去溶剂后剩余的化合物;以及一种生产电容器的方法,包括用导电聚合物溶液浸渍电容器并从其中除去溶剂。