Patent ID: 11935704
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. An electrolytic capacitor comprising:
an anode body having a dielectric layer disposed on a surface of the anode body;
a solid electrolyte layer that is in contact with the dielectric layer, the solid electrolyte layer including a conductive polymer; and
an electrolytic solution, wherein:
the electrolytic solution contains a first base component, a second base component, a first acid component, a second acid component, and a third acid component,
the first base component includes an amidine compound,
the second base component includes a primary amine compound,
the first acid component includes a composite compound of an inorganic acid and an organic acid,
the second acid component includes at least one selected from a group consisting of boric acid, phosphoric acid, phosphorous acid, hypophosphorous acid, and phosphonic acid,
the third acid component includes a nitro compound,
a content proportion of a total amount of the first base component and the first acid component in the electrolytic solution ranges from 5 wt % to 30 wt %, inclusive, and
a pH of the electrolytic solution ranges from 1.5 to 5.5, inclusive.