公开(公告)号：US20140340819A1

公开(公告)日：2014-11-20

申请号：US13896672

申请日：2013-05-17

Applicant: Kemet Electronics Corporation

Inventor： Hong Zhang ,  Qingping Chen ,  Randolph R. Hahn

IPC: H01G9/00 ,  H01G9/15

CPC classification number: H01G9/0032 ,  H01G9/0036 ,  H01G9/012 ,  H01G9/028 ,  H01G9/15 ,  Y10T29/417

Abstract: An improved process for forming a capacitor, and improved capacitor formed thereby is described. The process includes: providing an anode comprising a dielectric thereon; applying a first layer of an intrinsically conducting polymer on the dielectric to form a capacitor precursor; applying at least one subsequent layer of an intrinsically conducting polymer on the first layer from a dispersion; and treating the capacitor precursor at a temperature of at least 50° C. no more than 200° C. at a relative humidity of at least 25% up to 100%, or fusing the layered structure by swelling the layered structure with a liquid and at least partially removing the liquid.

Abstract translation: 描述了一种用于形成电容器的改进方法以及由此形成的改进的电容器。 该方法包括：在其上提供包含电介质的阳极; 将第一层本征导电聚合物施加在电介质上以形成电容器前体; 从分散体在第一层上施加至少一个本征导电聚合物的后续层; 并且在至少50℃至不超过200℃的温度下处理电容器前体，相对湿度至少为25％至100％，或者通过用液体使层状结构溶胀而使层状结构熔融， 至少部分地去除液体。

公开(公告)号：US11676770B2

公开(公告)日：2023-06-13

申请号：US17357441

申请日：2021-06-24

Applicant: KEMET Electronics Corporation

Inventor： Yaru Shi ,  Antony P. Chacko ,  Ajaykumar Bunha ,  Qingping Chen ,  Elisabeth Crittendon Key

IPC: H01G9/028 ,  H01G9/15 ,  H01G9/00 ,  H01G9/042 ,  H01G9/08 ,  H01G11/48 ,  H01G9/052 ,  H01G9/012

CPC classification number: H01G9/15 ,  H01G9/0036 ,  H01G9/028 ,  H01G9/0425 ,  H01G9/0525 ,  H01G9/08 ,  H01G11/48 ,  H01G9/012

Abstract: Provided is an improved capacitor formed by a process comprising: providing an anode comprising a dielectric thereon wherein the anode comprises a sintered powder wherein the powder has a powder charge of at least 45,000 μFV/g; and forming a first conductive polymer layer encasing at least a portion of the dielectric by applying a first slurry wherein the first slurry comprises a polyanion and a conductive polymer and wherein the polyanion and conductive polymer are in a weight ratio of greater than 3 wherein the conductive polymer and polyanion forms conductive particles with an average particle size of no more than 20 nm.

公开(公告)号：USRE47373E1

公开(公告)日：2019-04-30

申请号：US14609591

申请日：2015-01-30

Applicant: Kemet Electronics Corporation

Inventor： Qingping Chen ,  Yuri Freeman ,  Steven C. Hussey

IPC: H01G9/08 ,  H01G9/15 ,  H01G9/028 ,  H01G9/04 ,  H01G2/10

Abstract: A method for forming a hermetically sealed capacitor including: forming an anode; forming a dielectric on the anode; forming a conductive layer on the dielectric thereby forming a capacitive element; inserting the capacitive element into a casing; electrically connecting the anode to an exterior anode connection; electrically connecting the cathode to an exterior cathode connection; filling the casing with an atmosphere comprising a composition, based on 1 kg of atmosphere, of at least 175 g to no more than 245 g of oxygen, at least 7 g to no more than 11 g of water, at least 734 grams to no more than 818 grams of nitrogen and no more than 10 grams of a minor component; and hermetically sealing the casing with the atmosphere with the capacitive element contained in the casing.

公开(公告)号：US20190115159A1

公开(公告)日：2019-04-18

申请号：US16165649

申请日：2018-10-19

Applicant: KEMET Electronics Corporation

Inventor： Ajaykumar Bunha ,  Antony P. Chacko ,  Qingping Chen ,  Yaru Shi ,  Philip M. Lessner

IPC: H01G9/042 ,  C09D125/18 ,  C09D4/06 ,  C09D7/65 ,  C09D5/24 ,  C09D165/00

Abstract: An improved capacitor is provided wherein the capacitor comprises a conductive polymer layer. The conductive polymer comprises first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and said polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns and the second particles have an average particle diameter of at least 1 nm to no more than 600 nm.

公开(公告)号：US10199175B2

公开(公告)日：2019-02-05

申请号：US15090692

申请日：2016-04-05

Applicant: KEMET Electronics Corporation

Inventor： Liancai Ning ,  Qingping Chen ,  Philip M. Lessner

IPC: H01G9/028 ,  H01G9/00 ,  H01G9/15 ,  H01G9/042 ,  H01G9/045 ,  H01G9/052 ,  H01G9/07

Abstract: A method for manufacturing a solid electrolytic capacitor and an improved capacitor formed thereby is described. The method includes forming a dielectric on an anode at a formation voltage; forming a conductive polymer layer on the dielectric; and reforming the dielectric in a reformation electrolyte at a reformation voltage wherein the reformation electrolyte comprises a thermal degradation inhibitor.

公开(公告)号：US10074490B2

公开(公告)日：2018-09-11

申请号：US15013307

申请日：2016-02-02

Applicant: KEMET Electronics Corporation

Inventor： Antony P. Chacko ,  Liancai Ning ,  Yaru Shi ,  Qingping Chen

IPC: H01G9/15 ,  H01G11/04 ,  H01G11/58 ,  H01G11/56 ,  H01G11/30

CPC classification number: H01G11/04 ,  H01G9/025 ,  H01G9/035 ,  H01G9/052 ,  H01G9/055 ,  H01G9/15 ,  H01G9/2004 ,  H01G11/30 ,  H01G11/56 ,  H01G11/58

Abstract: An improved hybrid capacitor is described. The hybrid capacitor comprises an anode with a dielectric thereon and a cathode. An electrolyte is in electrical contact with the cathode and between the cathode and the dielectric. The electrolyte comprises a solid electrolyte coated on the cathode and an impregnating electrolyte wherein the solid electrolyte and the impregnating electrolyte have an intermolecular bond there between.

公开(公告)号：US20170098512A1

公开(公告)日：2017-04-06

申请号：US15379729

申请日：2016-12-15

Applicant: KEMET Electronics Corporation

Inventor： Antony P. Chacko ,  Phillip M. Lessner ,  John Joseph Ols ,  Yaru Shi ,  Qingping Chen

IPC: H01G9/048 ,  H01G9/045 ,  H01G9/15 ,  H01G9/042 ,  H01G9/00 ,  H01G9/025

CPC classification number: H01G9/045 ,  H01G9/0036 ,  H01G9/012 ,  H01G9/028 ,  H01G9/0425 ,  H01G9/08 ,  H01G9/15

Abstract: An improved process for forming an electrolytic capacitor is provided. The process comprises: providing an anode with an anode wire extending from the anode body; forming a dielectric on the anode to form an anodized anode; applying a first slurry wherein the first slurry comprises conducting polymer and polyanion, wherein the polyanion and conducting polymer are in a first weight ratio thereby forming a first slurry layer; and applying a second slurry on the first slurry layer wherein the second slurry comprises the conducting polymer and said polyanion and wherein the polyanion and the conducting polymer are in a second weight ratio wherein the second weight ratio is lower than the first weight ratio.

公开(公告)号：US20160300665A1

公开(公告)日：2016-10-13

申请号：US15090692

申请日：2016-04-05

Applicant: KEMET Electronics Corporation

Inventor： Liancai Ning ,  Qingping Chen ,  Philip M. Lessner

IPC: H01G9/028 ,  H01G9/15 ,  H01G9/07 ,  H01G9/045 ,  H01G9/052 ,  H01G9/00 ,  H01G9/042

CPC classification number: H01G9/028 ,  H01G9/0032 ,  H01G9/0425 ,  H01G9/045 ,  H01G9/0525 ,  H01G9/07 ,  H01G9/15

Abstract: A method for manufacturing a solid electrolytic capacitor and an improved capacitor formed thereby is described. The method includes forming a dielectric on an anode at a formation voltage; forming a conductive polymer layer on the dielectric; and reforming the dielectric in a reformation electrolyte at a reformation voltage wherein the reformation electrolyte comprises a thermal degradation inhibitor.

Abstract translation: 描述了由此形成的固体电解电容器和改进的电容器的制造方法。 该方法包括在阳极上以形成电压形成电介质; 在电介质上形成导电聚合物层; 以及在重整电压下重整电解质中的电介质重整，其中所述改性电解质包含热降解抑制剂。

公开(公告)号：US20160240323A1

公开(公告)日：2016-08-18

申请号：US15013307

申请日：2016-02-02

Applicant: KEMET Electronics Corporation

Inventor： Antony P. Chacko ,  Liancai Ning ,  Yaru Shi ,  Qingping Chen

IPC: H01G11/04 ,  H01G11/56 ,  H01G11/30 ,  H01G11/58

CPC classification number: H01G11/04 ,  H01G9/025 ,  H01G9/035 ,  H01G9/052 ,  H01G9/055 ,  H01G9/15 ,  H01G9/2004 ,  H01G11/30 ,  H01G11/56 ,  H01G11/58

Abstract: An improved hybrid capacitor is described. The hybrid capacitor comprises an anode with a dielectric thereon and a cathode. An electrolyte is in electrical contact with the cathode and between the cathode and the dielectric. The electrolyte comprises a solid electrolyte coated on the cathode and an impregnating electrolyte wherein the solid electrolyte and the impregnating electrolyte have an intermolecular bond there between.

Abstract translation: 描述了改进的混合电容器。 混合电容器包括其上具有电介质的阳极和阴极。 电解质与阴极和阴极与电介质电接触。 电解质包括涂覆在阴极上的固体电解质和浸渍电解质，其中固体电解质和浸渍电解质之间具有分子间键。

公开(公告)号：US20220148816A1

公开(公告)日：2022-05-12

申请号：US17357441

申请日：2021-06-24

Applicant: KEMET Electronics Corporation

Inventor： Yaru Shi ,  Antony P. Chacko ,  Ajaykumar Bunha ,  Qingping Chen ,  Elisabeth Crittendon Key

IPC: H01G9/15 ,  H01G9/028 ,  H01G9/00 ,  H01G9/042 ,  H01G9/08 ,  H01G11/48 ,  H01G9/052

Abstract: Provided is an improved capacitor formed by a process comprising: providing an anode comprising a dielectric thereon wherein the anode comprises a sintered powder wherein the powder has a powder charge of at least 45,000 μFV/g; and forming a first conductive polymer layer encasing at least a portion of the dielectric by applying a first slurry wherein the first slurry comprises a polyanion and a conductive polymer and wherein the polyanion and conductive polymer are in a weight ratio of greater than 3 wherein the conductive polymer and polyanion forms conductive particles with an average particle size of no more than 20 nm.