公开(公告)号：US10319532B2

公开(公告)日：2019-06-11

申请号：US15812380

申请日：2017-11-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Youichirou Uka ,  Takafumi Sakida

IPC: H01G9/028 ,  H01G9/042 ,  H01G9/15 ,  H01B1/12 ,  H01G9/00 ,  H01G11/48 ,  H01G11/56 ,  H01G11/52

Abstract: An electrolytic capacitor includes: an anode body; a dielectric layer formed on the anode body; a first conductive polymer layer covering at least a part of the dielectric layer; and a second conductive polymer layer covering at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer and a first dopant. The second conductive polymer layer includes a second conductive polymer, a second dopant and a polycarboxylic acid.