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Patent Searching and Data


Title:
ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2022/044636
Kind Code:
A1
Abstract:
This electrolytic capacitor comprises a capacitor element and a liquid component. The capacitor element comprises a positive electrode body that has a dielectric layer on a surface thereof, and a conductive polymer component that covers a part of the dielectric layer. The liquid component contains a first solvent, a base component, and an acid component. The first solvent is composed of at least one substance that is selected from the group consisting of polyols and derivatives thereof. The base component contains a first base which has an acid dissociation constant of a conjugate acid of from 5 to 10, while having no boiling point or a boiling point of 100°C or higher.

Inventors:
SAITO KAZUYO
TSUBAKI YUICHIRO
AOYAMA TATSUJI
UCHIHASHI KENGO
Application Number:
PCT/JP2021/027360
Publication Date:
March 03, 2022
Filing Date:
July 21, 2021
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
SANYO CHEMICAL IND LTD (JP)
International Classes:
H01G9/028; H01G9/035; H01G9/145; H01G9/15
Domestic Patent References:
WO2011099261A12011-08-18
WO2017073062A12017-05-04
WO2020017530A12020-01-23
Foreign References:
JPS502054B11975-01-23
JP2016015365A2016-01-28
JPH11186108A1999-07-09
JPH0391225A1991-04-16
JP2013168636A2013-08-29
JP2017224646A2017-12-21
JP2017224646A2017-12-21
JP2016015365A2016-01-28
Other References:
See also references of EP 4207225A4
Attorney, Agent or Firm:
KAWASAKI, HASHIMOTO AND PARTNERS (JP)
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