Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2020/022472
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an electrolytic capacitor which has an ESR that is not likely to change. An electrolytic capacitor (1) according to the present disclosure is provided with a positive electrode body (21), a negative electrode body (22), a solid electrolyte (25) and a liquid component (26). The surface of the positive electrode body (21) is provided with a dielectric layer (210). The solid electrolyte (25) is in contact with the dielectric layer (210), while containing a conductive polymer (250) that is interposed between the positive electrode body (21) and the negative electrode body (22). The liquid component (26) is in contact with the dielectric layer (210) and the solid electrolyte (25), while containing a solvent and an acid component. The acid component contains a first polymer acid component that has a sulfonic acid group or a carboxylic acid group.

Inventors:
TSUBAKI YUICHIRO
KUBO DAISUKE
AOYAMA TATSUJI
Application Number:
PCT/JP2019/029374
Publication Date:
January 30, 2020
Filing Date:
July 26, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01G9/035; H01G9/028; H01G9/145; H01G9/15
Domestic Patent References:
WO2017159243A12017-09-21
Foreign References:
JP2017037950A2017-02-16
JP2017147466A2017-08-24
JP2010040776A2010-02-18
JPH01103821A1989-04-20
JP2010251518A2010-11-04
JP2019029498A2019-02-21
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
Download PDF: