公开(公告)号：US20200279691A1

公开(公告)日：2020-09-03

申请号：US15733095

申请日：2018-12-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HITOSHI FUKUI ,  AI MAKINO ,  HIROSHI KOJIMA

IPC: H01G9/028 ,  H01G9/07 ,  H01G9/00 ,  H01G9/15

Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on a surface of the anode body, and a solid electrolyte layer disposed on a surface of the dielectric layer. The solid electrolyte layer includes a conductive polymer and a first compound. The first compound has a naphthalene skeleton, and includes at least one COOM1 group and at least one sulfonate group. The at least one sulfonate group is bonded to the naphthalene skeleton. The at least one COOM1 group is bonded to the naphthalene skeleton, where M1 is a hydrogen atom, a metal atom, or an onium group.

公开(公告)号：US20200168404A1

公开(公告)日：2020-05-28

申请号：US16618134

申请日：2018-05-07

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HITOSHI FUKUI ,  HIROSHI KOJIMA ,  AI MAKINO

IPC: H01G9/028 ,  H01G9/00

Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a self-doped conductive polymer and an organic alkali.

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.

公开(公告)号：US20210050158A1

公开(公告)日：2021-02-18

申请号：US17089710

申请日：2020-11-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKUYA NAKAYAMA ,  NATSUKI HATAKEYAMA ,  KATSUHISA ISHIZAKI ,  HITOSHI FUKUI

IPC: H01G9/15 ,  H01G9/028 ,  H01G9/012 ,  H01G9/00 ,  H01G9/07

Abstract: A solid electrolytic capacitor includes at least one capacitor element, an outer packaging resin, and a coating layer. The at least one capacitor element includes an anode body that includes a dielectric layer, and a solid electrolyte layer that at least partially covers the dielectric layer. The outer packaging resin covers the at least one capacitor element. The coating layer is disposed between the at least one capacitor element and the outer packaging resin. The coating layer contains a fluorine compound.

公开(公告)号：US20230223203A1

公开(公告)日：2023-07-13

申请号：US18001679

申请日：2021-07-02

Applicant: Panasonic Intellectual Property Management Co.,Ltd.

Inventor： HITOSHI FUKUI ,  MAKOTO NAGASHIMA

IPC: H01G9/048 ,  H01G9/15 ,  H01G9/00

CPC classification number: H01G9/048 ,  H01G9/15 ,  H01G9/0032 ,  H01G9/0036

Abstract: A solid electrolytic capacitor element includes an anode body that includes a porous part in at least a surface layer of the anode body, a dielectric layer, and a cathode part. The cathode part includes a solid electrolyte layer that covers the at least a part of the dielectric layer. The anode body includes a first part and a second part. The first part is a cathode forming part on which the solid electrolyte layer is formed, and the second part is a part on which the solid electrolyte layer is not formed. The second part includes at least an anode part including an end of the anode body opposite to the first part. The first part is sectionalized into a plurality of regions, and the first part has a groove at a boundary between adjacent regions among the plurality of regions.

公开(公告)号：US20220084756A1

公开(公告)日：2022-03-17

申请号：US17416549

申请日：2020-01-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HITOSHI FUKUI

IPC: H01G9/028 ,  H01G9/15

Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a first layer and a second layer disposed on the first layer. The first layer contains a first conductive polymer. And the second layer contains a second conductive polymer that is a self-doped conductive polymer.

公开(公告)号：US20190287729A1

公开(公告)日：2019-09-19

申请号：US16430216

申请日：2019-06-03

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HITOSHI FUKUI ,  HIROSHI KOJIMA

IPC: H01G9/025 ,  H01G9/00

Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a conductive polymer, a polyanion, and an alkali component. The alkali component includes two or more kinds of alkali compound.

公开(公告)号：US20220102081A1

公开(公告)日：2022-03-31

申请号：US17420703

申请日：2020-01-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KEI HIROTA ,  KYOHEI IWAOKA ,  HITOSHI FUKUI ,  DAISUKE USA ,  KOUTA MUNEYASU ,  HIROKI NAGAYAMA

IPC: H01G9/025 ,  H01G9/012 ,  H01G9/048

Abstract: A solid electrolytic capacitor includes a capacitor element. The capacitor element includes an anode foil including a base material part and a porous part disposed on a surface of the base material part, a dielectric layer disposed on at least a part of a surface of the anode foil, 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. The anode foil includes an anode section on which the solid electrolyte layer is not disposed, a cathode formation section on which the solid electrolyte layer is disposed, and a separation section located between the anode section and the cathode formation section. A first insulating material is disposed on a surface of the porous part in the separation section. And at least a part of a region of the porous part that is covered with the first insulating material includes a second insulating material.

公开(公告)号：US20200082994A1

公开(公告)日：2020-03-12

申请号：US16682197

申请日：2019-11-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HITOSHI FUKUI

IPC: H01G9/15 ,  H01G9/00 ,  H01G9/042 ,  H01G11/48 ,  H01B1/12

Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a conductive polymer. The conductive polymer contains a self-doped poly(3,4-ethylenedioxythiophene)-based polymer.

公开(公告)号：US20190148080A1

公开(公告)日：2019-05-16

申请号：US16243140

申请日：2019-01-09

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HITOSHI FUKUI ,  SHINYA SUZUKI ,  KOJI OKAMOTO ,  MAKOTO NAGASHIMA

IPC: H01G9/028 ,  H01G9/15 ,  H01G9/00

Abstract: An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a first conductive polymer layer, a second conductive polymer layer, and a third conductive polymer layer that are disposed in this order from the dielectric layer. The first conductive polymer layer contains a first conductive polymer having a thiophene skeleton. The second conductive polymer layer contains a second conductive polymer having at least one of an aniline skeleton and a pyrrole skeleton. The third conductive polymer layer contains a third conductive polymer having a thiophene skeleton.