Title:
SOLID ELECTROLYTIC CAPACITOR AND CAPACITOR ARRAY
Document Type and Number:
WIPO Patent Application WO/2023/228872
Kind Code:
A1
Abstract:
A solid electrolytic capacitor 110 includes: an anode plate 10 including a core part 11, porous layers 12 provided on at least one main surface of the core part 11, and dielectric layers 13 provided on a surface of the porous layers 12; and cathode layers 20 provided on a surface of the dielectric layers 13. Each cathode layer 20 includes a solid electrolyte layer 21 provided on the surface of the dielectric layer 13. The solid electrolyte layer 21 includes, in the inside of pores of the dielectric layer 13, a conductive polymer layer in which both an electrically conductive polymer and an insulating material exist. The insulating material is a material that includes an OH group, a COOH group, a CO group, or an NH2 group in the molecule, is hygroscopic, and does not have a dopant function for the conductive polymer.
Inventors:
HABU DAIKI (JP)
FURUKAWA TAKESHI (JP)
FURUKAWA TAKESHI (JP)
Application Number:
PCT/JP2023/018684
Publication Date:
November 30, 2023
Filing Date:
May 19, 2023
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01G9/042; H01G9/012; H01G9/028; H01G9/048; H01G9/055; H01G9/08; H01G9/10; H01G9/15
Foreign References:
| JP2009246288A | 2009-10-22 | |||
| JP2008211130A | 2008-09-11 | |||
| JPH03276620A | 1991-12-06 | |||
| JP2020167361A | 2020-10-08 |
Attorney, Agent or Firm:
WISEPLUS IP FIRM (JP)
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