公开(公告)号：US11456121B2

公开(公告)日：2022-09-27

申请号：US16965352

申请日：2019-02-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kyohei Iwaoka ,  Makoto Nagashima ,  Syusaku Koie

IPC: H01G9/042 ,  H01G9/012 ,  H01G9/00

Abstract: An electrolytic capacitor includes a capacitor element. The capacitor element includes an anode body, a dielectric layer that covers at least a part of the anode body, a solid electrolyte layer that covers at least a part of the dielectric layer, and a cathode lead-out layer that covers at least a part of the solid electrolyte layer. The cathode lead-out layer includes a carbon layer and a silver-paste layer. The carbon layer is conductive and covers at least a part of the solid electrolyte layer. And the silver-paste layer covers at least a part of the carbon layer. The carbon layer contains carbon particles and silver.

公开(公告)号：US11508528B2

公开(公告)日：2022-11-22

申请号：US17299773

申请日：2019-12-11

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Masamichi Inoue ,  Syusaku Koie ,  Makoto Nagashima

IPC: H01G9/042 ,  H01G9/15 ,  H01G9/00 ,  H01G9/048

Abstract: An electrolytic capacitor includes a capacitor element having: an anode; a dielectric layer covering at least a part 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. The cathode lead-out layer includes a carbon layer covering at least a part of the solid electrolyte layer, a first metal layer covering at least a part of the carbon layer, and a second metal layer covering at least a part of the first metal layer. The first metal layer contains first metal particle, and the second metal layer contains second metal particles and a second binder resin. The first metal layer contains no binder resin, or contains a first binder resin in a volume ratio smaller than a volume ratio of the second binder resin contained in the second metal layer.