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Title:
SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2024/095984
Kind Code:
A1
Abstract:
Provided are a solid electrolytic capacitor having an increased capacity appearance rate, and a manufacturing method. A solid electrolyte layer of this solid electrolytic capacitor includes a first electroconductive polymer and a second electroconductive polymer. The first electroconductive polymer is a polymer of 3,4-ethylenedioxy thiophene in which a methylene phosphonic acid group is introduced into an ethylenedioxy skeleton. The second electroconductive polymer is a polymer of 3,4-ethylenedioxy thiophene or a derivative thereof. The first polymer of 3,4-ethylenedioxy thiophene in which a methylene phosphonic acid group is introduced into an ethylenedioxy skeleton is bonded to an anode body through a solid-electrolyte-layer-forming primary step. The second polymer of 3,4-ethylenedioxy thiophene or a derivative thereof is bonded to a layer of the first polymer or to the anode body through a solid-electrolyte-layer-forming secondary step, which is a separate step from the solid-electrolyte-layer-forming primary step and which takes place after the solid-electrolyte-layer-forming primary step.

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Inventors:
KOSEKI KAZUYA (JP)
MIYAMOTO MOMOYO (JP)
KOIKE MASAKI (JP)
KIRIYAMA KAHORI (JP)
HATAI TOMOHIRO (JP)
HIRAO TOSHIKAZU (JP)
AMAYA TORU (JP)
Application Number:
PCT/JP2023/039150
Publication Date:
May 10, 2024
Filing Date:
October 30, 2023
Export Citation:
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Assignee:
NIPPON CHEMICON (JP)
DAIHACHI CHEM IND (JP)
UNIV OSAKA (JP)
UNIV NAGOYA CITY PUBLIC UNIV CORP (JP)
International Classes:
H01G9/028; H01G9/00; H01G9/025; H01G9/15
Domestic Patent References:
WO2018020985A12018-02-01
Foreign References:
JP2022529801A2022-06-24
JP2014049602A2014-03-17
JP2011155141A2011-08-11
Attorney, Agent or Firm:
KIUCHI Mitsuharu et al. (JP)
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