Invention Grant
- Patent Title: Process for producing solution having electrically conductive polymer dispersed therein, and electrolytic capacitor
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Application No.: US14006318Application Date: 2012-04-11
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Publication No.: US09401245B2Publication Date: 2016-07-26
- Inventor: Tatsuji Aoyama , Ayumi Kochi , Yukihiro Shimasaki
- Applicant: Tatsuji Aoyama , Ayumi Kochi , Yukihiro Shimasaki
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Panasonic IP Management
- Agent Kerry S. Culpepper
- Priority: JP2011-088741 20110413
- International Application: PCT/JP2012/002511 WO 20120411
- International Announcement: WO2012/140881 WO 20121018
- Main IPC: H01H3/40
- IPC: H01H3/40 ; H01G9/02 ; H01M6/04 ; H01G9/00 ; H01G9/035 ; H01G9/028 ; C08G61/12 ; H01L51/00 ; H01G9/15
Abstract:
A method for producing a conductive polymer dispersion liquid includes preparing an emulsion of a polyanion adsorbed on a conductive polymer precursor monomer by emulsifying a blended liquid obtained by blending the conductive polymer precursor monomer, the polyanion, and an aqueous solvent; and forming a dispersoid of a conductive polymer by chemical oxidative polymerization with addition of an oxidant to the emulsion. Furthermore, by using this conductive polymer dispersion liquid to provide an electrolytic capacitor, the ESR of the capacitor can be reduced.
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