公开(公告)号：US20240412926A1

公开(公告)日：2024-12-12

申请号：US18699305

申请日：2022-09-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKAHIRO YOSHII ,  KEI HIROTA ,  HIROMI OZAWA

IPC: H01G9/028 ,  H01G9/10 ,  H01G9/15

Abstract: A solid electrolytic capacitor includes a solid electrolytic capacitor element and an exterior body that seals the solid electrolytic capacitor element. The solid electrolytic capacitor element includes an anode body including a first end part and a second end part that is disposed opposite to the first end part, a dielectric layer covering at least a part of the anode body, and a cathode part covering at least a part of the dielectric layer. The at least a part of the dielectric layer is disposed on a portion of the anode body that is closer to the second end part than to the first end part. The cathode part includes a solid electrolyte layer covering the at least a part of the dielectric layer. A breaking strength of the solid electrolyte layer is 0.55 MPa or more and 45.00 MPa or less.

公开(公告)号：US20230245836A1

公开(公告)日：2023-08-03

申请号：US18004612

申请日：2021-07-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MASATOSHI TAKESHITA ,  HIROMI OZAWA ,  YIHAN ZHANG ,  HITOSHI FUKUI

IPC: H01G9/025 ,  H01G9/048 ,  H01G9/15

CPC classification number: H01G9/025 ,  H01G9/048 ,  H01G9/15

Abstract: A solid electrolytic capacitor element includes an anode body, a dielectric layer disposed on a surface of the anode body, and a cathode part covering at least a part of the dielectric layer are provided. The cathode part includes a solid electrolyte layer covering the at least the part of the dielectric layer. The solid electrolyte layer contains a first polymer and a second polymer component. The first polymer component includes a monomer unit corresponding to a thiophene compound. The second polymer component includes a polymer anion. A Raman spectrum of a surface layer in the solid electrolyte layer has a peak characteristic for the first polymer component.

公开(公告)号：US20230360859A1

公开(公告)日：2023-11-09

申请号：US18245301

申请日：2021-10-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKAHIRO YOSHII ,  KEI HIROTA ,  HIROMI OZAWA

IPC: H01G9/028 ,  H01G9/15

CPC classification number: H01G9/028 ,  H01G9/15

Abstract: An anode body, a dielectric layer disposed on a surface of the anode body, and a cathode part covering at least a part of the dielectric layer are provided. The cathode part includes a solid electrolyte layer covering the at least the part of the dielectric layer and containing a conjugated polymer. A solid electrolytic capacitor having excellent heat resistance is provided by using a solid electrolytic capacitor element where a full width at half maximum of a first peak is in a range from 35 cm−1 to 80 cm−1 inclusive when the first peak attributed to a CC stretching vibration derived from the conjugated polymer is fitted with a Lorentz function in a Raman spectrum of the solid electrolyte layer.

公开(公告)号：US20230076194A1

公开(公告)日：2023-03-09

申请号：US17759528

申请日：2021-01-26

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HITOSHI FUKUI ,  KATSUHISA ISHIZAKI ,  MASAMICHI INOUE ,  DAISUKE USA ,  MAKOTO NAGASHIMA ,  HIROMI OZAWA

IPC: H01G9/15 ,  H01G9/012 ,  H01G9/07 ,  H01G9/025

Abstract: A capacitor element includes an anode body, a dielectric layer disposed on a surface of the anode body, a solid electrolyte layer covering at least a part of the dielectric layer, and a cathode lead-out layer covering at least a part of the solid electrolyte layer. An insulating member is disposed from an outermost surface of the cathode lead-out layer to a depth of more than or equal to 0.001 μm.