公开(公告)号：US11721493B2

公开(公告)日：2023-08-08

申请号：US16956824

申请日：2018-09-18

Applicant: SHOWA DENKO K.K.

Inventor： Takeshi Kawamoto ,  Takashi Okubo

IPC: H01G9/15 ,  C08F12/30 ,  C08K5/45 ,  H01G9/00 ,  H01G9/048

CPC classification number: H01G9/15 ,  C08F12/30 ,  C08K5/45 ,  H01G9/0036 ,  H01G9/048

Abstract: A liquid dispersion composition for solid electrolytic capacitor production, containing a conjugated conductive polymer prepared by polymerizing a monomer compound in a dispersion medium containing seed particles with protective colloid formed of a polyanion or in a dispersion medium containing a polyanion, and a compound (a) represented by a general formula (1), where R1 to R6 and k are as defined in the description; and a method for producing a solid electrolytic capacitor, including a step of adhering the composition to a porous anode body made of a valve action metal having a dielectric coating film on the surface thereof, and a step of removing the dispersion medium from the liquid dispersion composition having adhered to the porous anode body to form a solid electrolyte layer

公开(公告)号：US11591480B2

公开(公告)日：2023-02-28

申请号：US16635722

申请日：2018-05-09

Applicant: SHOWA DENKO K.K.

Inventor： Motoaki Araki ,  Takashi Okubo

IPC: C09D5/24 ,  C09D7/65 ,  C09D7/63 ,  C09D125/18 ,  H01G9/00 ,  H01G9/025

Abstract: A method of manufacturing a solid electrolytic capacitor, including: a step (A) of providing a conjugated conductive polymer-containing dispersion by polymerizing, in a dispersion medium containing seed particles turned into protective colloid by a polyanion or in a dispersion medium containing the polyanion, a monomer for obtaining a conjugated conductive polymer; a step (B) of preparing a dispersion containing a morpholine compound and the conjugated conductive polymer by adding the morpholine compound to the conjugated conductive polymer-containing dispersion; a step (C) of causing the dispersion to adhere to a porous anode body formed of a valve metal having a dielectric film on a surface thereof; and a step (D) of forming a solid electrolyte layer by removing the dispersion medium from the dispersion containing the morpholine compound and the conjugated conductive polymer, the dispersion adhering to the porous anode body.