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Title:
ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2023/027059
Kind Code:
A1
Abstract:
An electrolytic capacitor 1 which is provided with: a capacitor element 3 wherein a positive electrode foil 5 having a dielectric oxide coating film and a negative electrode foil 7 face each other, with a separator 6 being interposed therebetween; a main body case 2 which contains the capacitor element 3; and a sealing body 4 which seals the main body case 2. With respect to this electrolytic capacitor 1, an electrolyte and a hydrophilic compound are held between the positive electrode foil 5 and the negative electrode foil 7; and a sealing body deterioration inhibitor, which is incompatible with the hydrophilic compound, is arranged inside the main body case 2.

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Inventors:
NISHIKORI HIROKAZU (JP)
TAKEZAWA TAKASHI (JP)
HOSOGI MASAKAZU (JP)
ITO TADAHITO (JP)
Application Number:
PCT/JP2022/031677
Publication Date:
March 02, 2023
Filing Date:
August 23, 2022
Export Citation:
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Assignee:
SUN ELECTRONIC IND CORP (JP)
International Classes:
H01G9/145; H01G9/025; H01G9/035; H01G9/15
Domestic Patent References:
WO2021049190A12021-03-18
WO2021149739A12021-07-29
WO2021049015A12021-03-18
WO2020059091A12020-03-26
Attorney, Agent or Firm:
SANO PATENT OFFICE (JP)
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