Title:
ELECTROLYTE SOLUTION FOR ELECTROLYTIC CAPACITOR, AND ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2020/250982
Kind Code:
A1
Abstract:
The present invention provides an electrolyte solution for an electrolytic capacitor which is capable of maintaining high performance over a long period of time even in severe environments, and an electrolytic capacitor using this electrolyte solution. This electrolyte solution is for an electrolytic capacitor that comprises a capacitor element, the capacitor having an anode foil that has a dielectric oxide film layer on a surface thereof, a cathode foil, and a solid electrolyte layer, and an electrolyte solution, the electrolyte solution being impregnated into the capacitor element. The electrolyte solution comprises an organic solvent that contains the following compound (a) and/or compound (b). (a) An aromatic carboxylic acid having a sulfo group and a hydroxy group, and a boron compound; (b) A composite compound of an aromatic carboxylic acid having a sulfo group and a hydroxy group, and a boron compound
Inventors:
AKIMOTO KEITA (JP)
ISHIDA AKIHIRO (JP)
SANO MAKOTO (JP)
HARABE MINARI (JP)
NAGAYAMA HIROKI (JP)
URAMOTO MASAHIDE (JP)
ISHIDA AKIHIRO (JP)
SANO MAKOTO (JP)
HARABE MINARI (JP)
NAGAYAMA HIROKI (JP)
URAMOTO MASAHIDE (JP)
Application Number:
PCT/JP2020/023052
Publication Date:
December 17, 2020
Filing Date:
June 11, 2020
Export Citation:
Assignee:
TOMIYAMA PURE CHEMICAL IND LTD (JP)
International Classes:
H01G9/035; H01G9/145; H01G9/15
Domestic Patent References:
| WO2017159243A1 | 2017-09-21 |
Foreign References:
| JP2006245041A | 2006-09-14 | |||
| JPS5552214A | 1980-04-16 |
Attorney, Agent or Firm:
T.S. PARTNERS et al. (JP)
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