Title:
ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2021/024926
Kind Code:
A1
Abstract:
The invention includes a capacitor element comprising a positive electrode body, a dielectric layer covering at least a portion of the positive electrode body, a solid electrolyte layer covering at least a portion of the dielectric layer, and a negative electrode extraction layer covering at least a portion of the solid electrolyte layer. The negative electrode extraction layer comprises a carbon material and a first polymer having an acid group. The acid group contains at least one selected from the group consisting of sulfone groups, carboxyl groups, and derivatives thereof, thereby suppressing a rise in ESR as an electrolytic capacitor.
Inventors:
HIROTA KEI
UENAKA KEITA
SHIMASAKI YUKIHIRO
IMAMURA HIROKI
UENAKA KEITA
SHIMASAKI YUKIHIRO
IMAMURA HIROKI
Application Number:
PCT/JP2020/029370
Publication Date:
February 11, 2021
Filing Date:
July 31, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01G9/15; H01G9/055
Domestic Patent References:
| WO2010100888A1 | 2010-09-10 | |||
| WO2012117994A1 | 2012-09-07 |
Foreign References:
| JPH11297574A | 1999-10-29 | |||
| JP2012069789A | 2012-04-05 | |||
| JP2008311639A | 2008-12-25 | |||
| JP2006269570A | 2006-10-05 | |||
| JP2014127682A | 2014-07-07 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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