Title:
ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2020/022471
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an electrolytic capacitor which is able to be used at various temperatures. An electrolytic capacitor (1) according to the present disclosure comprises 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 being 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 complex acid compound of an inorganic acid and an organic acid. The solvent contains a polyol that has two or more hydroxyl groups and a polyalkylene glycol that has three or more carbon atoms in each repeating unit.
Inventors:
TSUBAKI YUICHIRO
KUSHIZAKI JUNYA
AOYAMA TATSUJI
KUSHIZAKI JUNYA
AOYAMA TATSUJI
Application Number:
PCT/JP2019/029373
Publication Date:
January 30, 2020
Filing Date:
July 26, 2019
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01G9/035; H01G9/145; H01G9/15
Foreign References:
| JP2015165550A | 2015-09-17 | |||
| JP2017147466A | 2017-08-24 | |||
| JP2015222769A | 2015-12-10 | |||
| JP2018110233A | 2018-07-12 | |||
| JP2016072284A | 2016-05-09 | |||
| JP2015165550A | 2015-09-17 |
Other References:
See also references of EP 3828907A4
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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