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公开(公告)号：US11908633B2
公开(公告)日：2024-02-20
申请号：US17540762
申请日：2021-12-02
CPC分类号： H01G9/048 , H01G9/0032 , H01G9/08 , H01G9/145 , H01G9/008
摘要： An electrolytic capacitor includes a capacitor element, a first current collector, and a case. The capacitor element includes a wound body in which a first electrode foil and a second electrode foil are wound. The first electrode foil and the second electrode foil face each other. The first current collector is connected to the first electrode foil. The case houses the capacitor element and the first current collector. The first electrode foil includes a first facing portion that faces the second electrode foil and a first non-facing portion that does not face the second electrode foil. The first non-facing portion is located at a first end portion in a winding axis of the wound body. The first current collector is disposed in a vicinity of the first end portion of the wound body to be connected to the first non-facing portion of the first electrode foil.
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公开(公告)号：US09887045B2
公开(公告)日：2018-02-06
申请号：US15256737
申请日：2016-09-06
IPC分类号： H01G9/028 , H01G4/02 , H01G9/00 , H01G11/24 , H01G9/02 , H01G9/035 , H01G9/15 , H01G11/52 , H01G11/58 , H01G13/04
CPC分类号： H01G11/24 , H01G9/02 , H01G9/028 , H01G9/035 , H01G9/151 , H01G11/52 , H01G11/58 , H01G13/04
摘要： A power storage device has a power storage element and an electrolytic solution. The power storage element includes an anode body, a cathode body opposed to the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator base material and a conductive polymer deposited on the separator base material. The power storage element is impregnated with the electrolytic solution. The separator has a first surface layer, which includes a first surface opposed to the anode body, and a second surface layer, which includes a second surface opposed to the cathode body. The first surface layer has a first region in which the conductive polymer is deposited, and the second surface layer has a second region in which the conductive polymer is not deposited.
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公开(公告)号：US09875853B2
公开(公告)日：2018-01-23
申请号：US15049143
申请日：2016-02-22
CPC分类号： H01G9/151 , H01G9/0029 , H01G9/02 , H01G9/028 , H01G9/035 , H01G9/048 , H01G9/07 , H01G13/04
摘要： An electrical storage device includes an electrical storage element and an electrolytic solution. The electrical storage element is formed of an anode body, a cathode body facing the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator substrate and a conductive polymer adhering to the separator substrate. The electrical storage element is impregnated with the electrolytic solution. The separator includes a first surface layer having a first surface facing the anode body and a second surface layer having a second surface facing the cathode body. The first surface layer includes a first region that is not provided with the conductive polymer, and the second surface layer includes a second region provided with the conductive polymer.
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公开(公告)号：US10734163B2
公开(公告)日：2020-08-04
申请号：US16124416
申请日：2018-09-07
IPC分类号： H01G9/04 , H01G9/15 , H01G9/035 , H01G9/028 , H01G9/07 , H01G9/00 , H01G9/055 , H01G9/042 , H01G9/145 , H01G9/10
摘要： An electrolytic capacitor includes a cathode foil, an anode foil, a conductive polymer, and a liquid component. The anode foil has a dielectric layer on a main surface of the anode foil. The conductive polymer covers at least part of the dielectric layer. The conductive polymer is disposed between the cathode foil and the anode foil. The liquid component is in contact with the conductive polymer. The cathode foil includes a first oxide coating film on an end surface of the cathode foil.
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公开(公告)号：US10121599B2
公开(公告)日：2018-11-06
申请号：US15954179
申请日：2018-04-16
IPC分类号： H01L21/20 , H01G9/00 , H01G9/02 , H01G9/035 , H01G9/07 , H01G9/145 , H01G9/008 , H01G9/15 , H01L49/02 , H01L23/522 , H01L27/08
摘要： A method for producing an electrolytic capacitor includes: a first step of preparing a capacitor element that includes an anode body on which a dielectric layer is formed; a second step of impregnating the capacitor element with a first treatment solution containing a first solvent and a conductive polymer; a third step of impregnating, after the second step, the capacitor element with a second treatment solution containing a second solvent; and a fourth step of impregnating, after the third step, the capacitor element with an electrolyte solution containing a third solvent. Both the second solvent and the third solvent are an aprotic solvent.
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公开(公告)号：US20180122589A1
公开(公告)日：2018-05-03
申请号：US15852315
申请日：2017-12-22
摘要： A power storage device has a power storage element and an electrolytic solution. The power storage element includes an anode body, a cathode body opposed to the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator base material and a conductive polymer deposited on the separator base material. The power storage element is impregnated with the electrolytic solution. The separator has a first surface layer, which includes a first surface opposed to the anode body, and a second surface layer, which includes a second surface opposed to the cathode body. An amount of the conductive polymer deposited in a first separator half body, which is a part from a center of the separator to the first surface, is greater than an amount of the conductive polymer deposited in a second separator half body, which is a part from the center of the separator to the second surface.
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公开(公告)号：US10121598B2
公开(公告)日：2018-11-06
申请号：US15376256
申请日：2016-12-12
摘要： A method for producing an electrolytic capacitor according to the present disclosure includes a first step of preparing a capacitor element that includes an anode body having a dielectric layer; a second step of impregnating the capacitor element with a first treatment solution containing a conductive polymer and a first solvent; and a third step of impregnating the capacitor element with an electrolyte solution after the second step, the capacitor element being, in the third step, impregnated with the electrolyte solution while including a liquid.
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公开(公告)号：US09978526B2
公开(公告)日：2018-05-22
申请号：US15375288
申请日：2016-12-12
CPC分类号： H01G9/0032 , H01G9/0029 , H01G9/008 , H01G9/02 , H01G9/028 , H01G9/035 , H01G9/07 , H01G9/145 , H01G9/15 , H01L23/5227 , H01L27/08 , H01L28/10 , H01L28/40
摘要： A method for producing an electrolytic capacitor according to the present disclosure is characterized by including a first step of preparing a capacitor element that includes an anode body on which a dielectric layer is formed; a second step of impregnating the capacitor element with a first treatment solution containing a first solvent and a conductive polymer; a third step of impregnating, after the second step, the capacitor element with a second treatment solution containing a second solvent; and a fourth step of impregnating, after the third step, the capacitor element with an electrolyte solution containing a third solvent, both the second solvent and the third solvent being a protic solvent.
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公开(公告)号：US11972910B2
公开(公告)日：2024-04-30
申请号：US18046913
申请日：2022-10-15
摘要： An electrolytic capacitor includes an electrode foil and a lead member connected to the electrode foil. The electrode foil has a first principal surface and a second principal surface opposite to the first principal surface. The electrode foil and the lead member are connected by a caulking part in an overlapping part in which the first principal surface of the electrode foil and the lead member overlap each other. The caulking part has a through-hole penetrating the electrode foil and the lead member. The electrode foil in the caulking part includes a first folded part that is folded back at a peripheral edge portion of the through-hole to be disposed on the second principal surface. The lead member in the caulking part includes (i) a penetrating part that penetrates the electrode foil and (ii) a second folded part that is folded back at an end portion of the penetrating part to be disposed on the second principal surface. The penetrating part includes an inner wall of the through-hole. The second folded part covers the first folded part.
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公开(公告)号：US10431392B2
公开(公告)日：2019-10-01
申请号：US15841072
申请日：2017-12-13
摘要： An electrical storage device includes an electrical storage element and an electrolytic solution. The electrical storage element is formed of an anode body, a cathode body facing the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator substrate and a conductive polymer adhering to the separator substrate. The electrical storage element is impregnated with the electrolytic solution. The separator includes a first surface layer having a first surface facing the anode body and a second surface layer having a second surface facing the cathode body. The first surface layer includes a first region that is not provided with the conductive polymer, and the second surface layer includes a second region provided with the conductive polymer.
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