-
公开(公告)号：US20230050288A1
公开(公告)日：2023-02-16
申请号：US17783125
申请日：2020-12-08
发明人： Yuichiro TSUBAKI , Tatsuji AOYAMA , Kazuyo SAITO , Liyi CHEN , Kengo UCHIHASHI
摘要： A liquid component for an electrolytic capacitor includes at least one central atom selected from the group consisting of boron, aluminum, and silicon, and a ligand having a plurality of ligand atoms bonded to the central atom. The ligand atoms are at least one selected from the group consisting of oxygen and nitrogen, and are bonded to a carbon atom having no oxo group.
-
公开(公告)号：US20230377807A1
公开(公告)日：2023-11-23
申请号：US18360528
申请日：2023-07-27
发明人： Yuichiro TSUBAKI , Tatsuji AOYAMA , Kazuyo SAITO , Yuji OTSUKA
摘要： An electrolytic capacitor includes a capacitor element and an electrolytic solution. The capacitor element includes: an anode body including a dielectric layer; a cathode body; and a solid electrolyte in contact with the dielectric layer. The electrolytic solution includes a solvent, a solute, and a polymer component. The solvent includes an ethylene glycol compound. The polymer component includes polyalkylene glycol. The polyalkylene glycol includes at least one of (i) a mixture of polyoxyethylene and polyoxypropylene and (ii) an oxyethylene-oxypropylene copolymer. In the polyalkylene glycol, a molar ratio m/n of oxyethylene units to oxypropylene units is greater than 1.
-
公开(公告)号：US20210343482A1
公开(公告)日：2021-11-04
申请号：US17261819
申请日：2019-07-26
IPC分类号： H01G9/15
摘要： An electrolytic capacitor according to the present disclosure includes an anode body, a cathode body, a solid electrolyte, and a liquid component. The anode body has a surface on which a dielectric layer is to be formed. The solid electrolyte is in contact with the dielectric layer and is disposed between the anode body and the cathode body. The liquid component is in contact with the dielectric layer and the solid electrolyte and contains a solvent and an acid component. The acid component includes a composite acid compound of an inorganic acid and an organic acid. The solvent contains a polyol including two or more hydroxyl groups and a polyalkylene glycol having three or more carbon atoms per repeating unit.
-
公开(公告)号：US20230360861A1
公开(公告)日：2023-11-09
申请号：US18222132
申请日：2023-07-14
发明人： Yuichiro TSUBAKI , TATSUJI AOYAMA
CPC分类号： H01G9/035 , H01G9/0032 , H01G9/028 , H01G9/07
摘要： A method for manufacturing an electrolytic capacitor of the present disclosure includes first to third steps. In the first step, a capacitor element is prepared that includes an anode body on which a dielectric layer is formed. In the second step, the capacitor element is impregnated with a first treatment solution containing at least a conductive polymer and a first solvent. In the third step, the capacitor element is, after the second step, impregnated with a second treatment solution that contains a polyol compound having 3 or more hydroxyl groups per molecule.
-
公开(公告)号：US20230260716A1
公开(公告)日：2023-08-17
申请号：US18014970
申请日：2021-07-29
发明人： Yuichiro TSUBAKI , Daisuke KUBO
摘要： A disclosed electrolytic capacitor includes a capacitor element, and a liquid component. The capacitor element includes an anode body having a dielectric layer at a surface of the anode body, and a conductive polymer compound covering at least part of the dielectric layer. The liquid component contains an acid component, a base component, and a solvent. The solvent includes an organic compound having a hydroxy group, and the acid component includes an organic carboxylic acid compound. The base component includes at least one selected from the group consisting of a primary amine compound and a secondary amine compound.
-
公开(公告)号：US20220059292A1
公开(公告)日：2022-02-24
申请号：US17518849
申请日：2021-11-04
发明人： Kazuyo SAITO , Yuichiro TSUBAKI , Tatsuji AOYAMA
摘要： An electrolytic capacitor includes a capacitor element and electrolytic solution. The capacitor element includes an anode body with an oxide film, and a solid electrolyte contacting the oxide film. The electrolytic solution contains a solvent and a solute. The solvent contains at least one selected from the group consisting of a lactone compound, a glycol compound, and a sulfone compound. The solute includes a first acid component and a base component. The first acid component includes at least one of a benzenedicarboxylic acid and a derivative of the benzenedicarboxylic acid. The base component includes at least one of an amine and an amidine. A concentration of the solute in the electrolytic solution ranges from 15% by mass to 40% by mass, inclusive. A ratio (V/Vw) of a formation voltage V of the oxide film to a rated voltage Vw of the electrolytic capacitor is less than or equal to 1.7.
-
公开(公告)号：US20230360860A1
公开(公告)日：2023-11-09
申请号：US18042433
申请日：2021-07-21
摘要： An electrolytic capacitor including a capacitor element, and a liquid component. The capacitor element includes an anode body having a dielectric layer at a surface of the anode body, and a conductive polymer component covering part of the dielectric layer. The liquid component contains a first solvent, a base component, and an acid component. The first solvent is at least one selected from the group consisting of a polyol and a derivative thereof. The base component contains a first base a conjugate acid of which has an acid dissociation constant of 5 or more and 10 or less and which has no boiling point or a boiling point of 100° C. or higher.
-
公开(公告)号：US20230013790A1
公开(公告)日：2023-01-19
申请号：US17953544
申请日：2022-09-27
发明人： Miyoko MASUDA , Yuichiro TSUBAKI , Tatsuji AOYAMA , Daisuke KUBO
摘要： Disclosed is an electrolytic capacitor including: a capacitor element including a pair of electrodes; an electrolyte interposed between the pair of electrodes; a pair of leads electrically connected to the pair of electrodes, respectively; a case in which the capacitor element and the electrolyte are accommodated, and that has an opening; a sealing member that seals the opening, and has a pair of insertion holes for leading out the leads; an insulating plate having a pair of through holes for leading out the leads; and a resin member filled between the sealing member and the insulating plate, wherein the insulating plate has a resin bonding surface that abuts against the resin member, and a mounting surface opposed to the resin bonding surface, and includes at least one protrusion or recess on the resin bonding surface.
-
公开(公告)号：US20210142954A1
公开(公告)日：2021-05-13
申请号：US17155644
申请日：2021-01-22
发明人： Yuichiro TSUBAKI , Tatsuji AOYAMA
摘要： An electrolytic capacitor includes an anode body having a dielectric layer; a solid electrolyte layer in contact with the dielectric layer of the anode body; and an electrolytic solution. The electrolytic solution contains a solvent and a solute. The solvent contains a glycol compound. The solute contains an acid component and a base component. A mass of the acid component in the solute is greater than a mass of the base component in the solute. The acid component contains a first aromatic compound having a hydroxyl group.
-
公开(公告)号：US20200234889A1
公开(公告)日：2020-07-23
申请号：US16842342
申请日：2020-04-07
发明人： Yuichiro TSUBAKI , Tatsuji AOYAMA
摘要： An electrolytic capacitor includes an anode body with a dielectric layer; a solid electrolyte layer in contact with the dielectric layer; and an electrolytic solution. The solid electrolyte layer includes a π-conjugated conductive polymer and a first sulfonic acid. The electrolytic solution includes a solvent and an acid component. The solvent includes a glycol compound. And a proportion of the glycol compound in the solvent is equal to or more than 50% by mass.
-
-
-
-
-
-
-
-
-
搜索结果
14 条记录 (耗时 0.019 秒)
