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公开(公告)号：US12106907B2
公开(公告)日：2024-10-01
申请号：US17518586
申请日：2021-11-04
申请人： Pacesetter, Inc.
摘要： A device includes an electrode stack including a plurality of conductive anodes, a plurality of conductive cathodes, a plurality of separators arranged between the conductive anodes and the conductive cathodes, and a dielectric material disposed on a surface of each of the conductive anodes. The stack has a top surface, a bottom surface, and an edge extending between the top surface and the bottom surface. A continuous electrically insulating film overlies the edge, peripheral portions of the top surface and peripheral portions of the bottom surface so that a central portion of the top surface and a central portion of the bottom surface are exposed. An electrolyte is disposed between the conductive anodes and the conductive cathodes.
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公开(公告)号：US20240304396A1
公开(公告)日：2024-09-12
申请号：US18263093
申请日：2022-01-24
摘要： An electrode foil for an electrolytic capacitor includes a metal foil that includes a porous portion and a core portion continuous to the porous portion. The metal foil has a main surface in which pores in the porous portion are open. The porous portion includes a plurality of recessed portions that are open in the main surface and distributed in a dot pattern in an in-plane direction of the metal foil. The pores in the porous portion have an opening length smaller than 2 μm, and the recessed portions have an opening length of 2 μm or more.
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3.发明授权公开(公告)号：US12080489B2
公开(公告)日：2024-09-03
申请号：US17434263
申请日：2019-10-30
发明人： Mitsuhisa Yoshimura , Shosuke Nakano , Hiroshi Yoshida , Masami Tsubaki , Naomi Kurihara , Miwa Ogawa
CPC分类号： H01G9/055 , H01G9/0032 , H01G9/145
摘要： An electrode foil for an electrolytic capacitor including a metal porous portion, and a metal core portion continuous to the metal porous portion. When the metal porous portion is equally divided in three in a thickness direction of the metal porous portion into a first region, a second region, and a third region sequentially from the metal core portion side, the first region has a porosity P1, the second region has a porosity P2, and the third region has a porosity P3, satisfying P1
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公开(公告)号：US12033807B2
公开(公告)日：2024-07-09
申请号：US17511514
申请日：2021-10-26
申请人： Pacesetter, Inc.
IPC分类号： H01G9/00 , B23K26/0622 , B23K26/064 , B23K26/067 , B23K26/08 , B23K26/362 , B23K26/382 , B23K26/40 , H01G9/008 , H01G9/02 , H01G9/022 , H01G9/042 , H01G9/045 , H01G9/048 , H01G9/055 , H01G9/08 , H01G11/30 , H01G11/86 , B23K101/16 , B23K101/18 , B23K101/38 , B23K103/10
CPC分类号： H01G9/0029 , B23K26/0624 , B23K26/064 , B23K26/0676 , B23K26/083 , B23K26/0838 , B23K26/0846 , B23K26/0876 , B23K26/362 , B23K26/382 , B23K26/40 , H01G9/008 , H01G9/02 , H01G9/022 , H01G9/042 , H01G9/045 , H01G9/048 , H01G9/055 , H01G9/08 , H01G11/30 , H01G11/86 , B23K2101/16 , B23K2101/18 , B23K2101/38 , B23K2103/10
摘要： A capacitor and methods of processing an anode metal foil are presented. The capacitor includes a housing, one or more anodes disposed within the housing, one or more cathodes disposed within the housing, one or more separators disposed between an adjacent anode and cathode, and an electrolyte disposed around the one or more anodes, one or more cathodes, and one or more separators within the housing. The one or more anodes each include a metal foil that includes a first plurality of tunnels through a thickness of the metal foil in a first ordered arrangement, the first ordered arrangement being a close packed hexagonal array arrangement, and having a first diameter, and a second plurality of tunnels through the thickness of the metal foil having a second ordered arrangement and a second diameter greater than the first diameter.
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公开(公告)号：US20240170226A1
公开(公告)日：2024-05-23
申请号：US18400579
申请日：2023-12-29
CPC分类号： H01G9/055 , H01G9/035 , H01G9/0425
摘要： Provide is an electrolytic capacitor for a middle-to-high voltage application that is equal to or higher than 100 V which suppresses the total amount of gas to be produced in the electrolytic capacitor. The anode foil of the electrolytic capacitor includes an enlarged surface portion provided with tunnel-shape pits formed from the foil surface in the thickness direction of the foil, and a dielectric oxide film formed on the surface of the enlarged surface portion. The cathode body of the electrolytic capacitor includes a cathode foil formed of a valve acting metal, and a carbon layer formed on the cathode foil.
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公开(公告)号：US11972906B2
公开(公告)日：2024-04-30
申请号：US17099733
申请日：2020-11-16
申请人： Pacesetter, Inc.
摘要： A method of producing a capacitor electrode includes forming an oxide layer on a foil. The method also includes inducing defects in the oxide layer followed by reforming the oxide layer. The oxide layer is reformed so as to generate a reformed oxide layer that is an aluminum oxide with a boehmite phase and a pseudo-boehmite phase. The amount of the boehmite phase in the reformed oxide layer is greater than the amount of the pseudo-boehmite phase in the reformed oxide layer.
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公开(公告)号：US11901134B2
公开(公告)日：2024-02-13
申请号：US17103939
申请日：2020-11-24
申请人： Pacesetter, Inc.
CPC分类号： H01G9/0029 , H01G9/0032 , H01G9/045 , H01G9/048 , H01G9/055 , H01G9/07 , H01G9/145 , H01G11/84
摘要： Fabricating a capacitor includes forming conduits in a porous layer of material. The porous layer of material has particles that each includes a dielectric on a core. The formation of the conduits causes a portion of the dielectric to convert from a first phase to a second phase. The method also includes removing at least a portion of the second phase of the dielectric from the porous layer of material.
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公开(公告)号：US11823847B2
公开(公告)日：2023-11-21
申请号：US17482089
申请日：2021-09-22
申请人： TDK Electronics AG
发明人： Norbert Will , László Dobai , Péter Kerepesi , Csaba Tóth
IPC分类号： H01G9/00 , H01G9/035 , H01G9/042 , H01G9/045 , H01G9/06 , H01G9/145 , H01G9/15 , H01G9/055 , H01G9/02 , H01G9/012
CPC分类号： H01G9/055 , H01G9/0036 , H01G9/012 , H01G9/02 , H01G9/035 , H01G9/045 , H01G9/0425 , H01G9/06 , H01G9/145 , H01G9/151
摘要： A hybrid polymer aluminum electrolytic capacitor and a method for manufacturing a capacitor are disclosed. In an embodiment a method for manufacturing a capacitor includes winding an anode foil, separators and a cathode foil around an axis to form a winding element, flooding the winding element with a polymer dispersion, wherein the polymer dispersion contains electrically conductive solid polymer particles or a polymer powder and a solvent and applying pulses of overpressure to the flooded winding element.
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公开(公告)号：US20230096578A1
公开(公告)日：2023-03-30
申请号：US18075763
申请日：2022-12-06
发明人： Joel Lang , Ronit Romm
摘要： A composite electrode foil roll for manufacturing an electrolytic capacitor, including: bands of electrode foils; strips of an isolating material positioned along a width of the composite electrode foil roll at a plurality of locations. The plurality of locations are at equal distances and correspond to a length of an inner cavity of a case of the electrolytic capacitor. The bands of electrode foils and strips of an isolating material are alternating. A method of manufacturing the composite electrode foil roll including alternating bands of electrode foils and strips of an isolating material. The strips are positioned along a width of the composite electrode foil roll at repeated locations. The repeated locations are at equal distances corresponding to a length of an inner cavity of a case of the electrolytic capacitor.
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公开(公告)号：US20230067888A1
公开(公告)日：2023-03-02
申请号：US17760356
申请日：2021-02-05
发明人： Venkatesh SUNDARAM , Markondeyaraj PULUGURTHA , Dewei ZHU , Thomas J. BECK , Courtney TIMMS , Mary PICKENS , Urmi RAY , Bart DEPROSPO , Kyle DASCH , Jen-Chwen LIN , Rajesh GOPALASWAMY
摘要： Multi-terminal capacitor devices and methods of making multi-terminal capacitor devices are described herein. The multi-terminal capacitor devices may include a plurality of individual capacitors arranged in a single device layer, such as high surface area capacitors. A individual capacitor may include an aluminum foil-based electrode, an aluminum oxide dielectric layer conformal with the aluminum foil-based electrode, and a conductive material electrode, such as a conducting polymer or a conductive ceramic, in conformal contact with the dielectric layer.
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