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公开(公告)号：US20240021959A1
公开(公告)日：2024-01-18
申请号：US18362570
申请日：2023-07-31
Inventor： Kazuyoshi HONDA , Akira KAWASE , Eiichi KOGA , Koichi HIRANO , Kazuhiro MORIOKA , Kouji NISHIDA
IPC: H01M50/474 , H01M50/548 , H01M50/533 , H01M50/188
CPC classification number: H01M50/474 , H01M50/548 , H01M50/533 , H01M50/188
Abstract: A battery includes: a power generation element that includes a plurality of unit cells each including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer. The power generation element includes a first side surface and a second side surface, and in the first side surface, first depressions and first projections are arranged alternately, in the second side surface, second depressions and second projections are arranged alternately, each of the first depressions includes a first inclination surface, and each of the second depressions includes a second inclination surface. The battery further includes: a first insulating member arranged in the first depressions; a second insulating member arranged in the second depressions; a first conductive member; and a second conductive member. The positive electrode layers are electrically connected via the first conductive member, and the negative electrode layers are electrically connected via the second conductive member.
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公开(公告)号：US20240021880A1
公开(公告)日：2024-01-18
申请号：US18357849
申请日：2023-07-24
Inventor： Kazuyoshi HONDA , Eiichi KOGA , Koichi HIRANO , Akira KAWASE
IPC: H01M10/0585 , H01M50/131 , H01M10/0562 , H01M4/04
CPC classification number: H01M10/0585 , H01M50/131 , H01M10/0562 , H01M4/043 , H01M10/052
Abstract: The battery includes a power generation element including: a positive electrode active material layer containing a positive electrode active material and a first inorganic solid electrolyte; a negative electrode active material layer containing a negative electrode active material and a second inorganic solid electrolyte; and a solid electrolyte layer positioned between the positive electrode active material layer and the negative electrode active material layer and containing a third inorganic solid electrolyte. There are a plurality of voids inside the power generation element, and an internal pressure of the plurality of voids is lower than 1 atm.
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公开(公告)号：US20240063431A1
公开(公告)日：2024-02-22
申请号：US18499015
申请日：2023-10-31
Inventor： Kazuyoshi HONDA , Eiichi KOGA , Koichi HIRANO , Akira KAWASE , Kazuhiro MORIOKA
IPC: H01M10/0562 , H01M10/058 , H01M50/531
CPC classification number: H01M10/0562 , H01M10/058 , H01M50/531
Abstract: A battery includes: a power generation element including a plurality of battery cells each of which includes an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, the plurality of battery cells being electrically connected in parallel and stacked; an interlayer located between a pair of two adjacent battery cells; an electrode insulating layer covering an electrode layer among the electrode layers at a first side surface of the power generation element; and a counter-electrode terminal covering the first side surface and the electrode insulating layer, and electrically connected to a counter-electrode layer among the counter-electrode layers.
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公开(公告)号：US20230395942A1
公开(公告)日：2023-12-07
申请号：US18447901
申请日：2023-08-10
Inventor： Eiichi KOGA , Noriyuki UCHIDA
IPC: H01M50/474 , H01M50/533 , H01M50/186 , H01M50/105 , H01M50/486 , H01M50/121
CPC classification number: H01M50/474 , H01M50/533 , H01M50/121 , H01M50/105 , H01M50/486 , H01M50/186
Abstract: A battery of the present disclosure includes: a battery element, the battery element including a first electrode, a solid electrolyte layer, and a second electrode; a first insulating member; a second insulating member; and a void. The battery element has a laminated structure in which the first electrode, the solid electrolyte layer, and the second electrode are disposed in this order. The first insulating member coats at least a portion of a side surface of the battery element, the second insulating member encloses the battery element, the first insulating member, and the void, and the void includes a void positioned close to the side surface of the battery element.
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Patent Agency Ranking
公开(公告)号：US20230387474A1
公开(公告)日：2023-11-30
申请号：US18447924
申请日：2023-08-10
Inventor： Eiichi KOGA
IPC: H01M10/0585 , H01M4/04 , H01M4/36
CPC classification number: H01M10/0585 , H01M4/0404 , H01M4/366
Abstract: A manufacturing method of the present disclosure includes (A) obtaining a battery by cutting a long laminate in a lamination direction, the laminate including a first active material layer, a solid electrolyte layer, and a second active material layer that are disposed in this order. The laminate has a first region and a second region that are repeated alternately in a lengthwise direction, where the first active material layer is present in the first region and is not present in the second region in plan view in the lamination direction. In the (A), the laminate is cut in the first region and the second region so that the battery has a desired capacity.
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公开(公告)号：US20230387473A1
公开(公告)日：2023-11-30
申请号：US18446261
申请日：2023-08-08
Inventor： Kazuyoshi HONDA , Akira KAWASE , Eiichi KOGA , Koichi HIRANO , Kazuhiro MORIOKA , Kouji NISHIDA
IPC: H01M10/0585 , H01M50/54 , H01M50/533 , H01M50/543 , H01M10/052
CPC classification number: H01M10/0585 , H01M50/54 , H01M50/533 , H01M50/543 , H01M10/052
Abstract: A battery includes a power generation element that includes a plurality of unit cells each including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer, the unit cells are stacked in a direction normal to a main surface, in a side surface of the power generation element, one electrode layer of the positive electrode layer and the negative electrode layer in each of the unit cells protrudes more than the other electrode layer such that depressions and projections are provided, each of the depressions includes a first inclination surface that is an end surface of the other electrode layer, and the battery further includes: one or more conductive members in contact with a corresponding one of the projections; an insulating member that covers the side surface; and one or more extraction electrodes that are in contact with the one or more conductive members.
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公开(公告)号：US20230327232A1
公开(公告)日：2023-10-12
申请号：US18209278
申请日：2023-06-13
Inventor： Eiichi KOGA
IPC: H01M10/653 , H01M50/566 , H01M50/553
CPC classification number: H01M10/653 , H01M50/566 , H01M50/553
Abstract: A battery that is an example of an electrical device according to the present disclosure includes: an electrical element having a current collector such as a battery element having a current collector; a lead terminal electrically connected to the current collector; a joining portion containing an electrically-conductive resin material and joining the current collector and the lead terminal to each other; and a heat-melting portion that is disposed between the joining portion and the lead terminal and that contains a solder material. The heat-melting portion may be in contact with the lead terminal. The joining portion may be in contact with the current collector and the heat-melting portion.
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公开(公告)号：US20230039438A1
公开(公告)日：2023-02-09
申请号：US17970166
申请日：2022-10-20
Inventor： Eiichi KOGA , Kazuhiro MORIOKA , Yasutaka TSUTSUI
IPC: H01M50/557 , H01M10/654 , H01M10/0585 , H01M10/052 , H01M10/617 , H01M10/0562 , H01M10/653 , H01M50/54 , H01M4/525 , H01M4/70
Abstract: A battery includes an electrode layer, a counter electrode layer, which is a counter electrode for the electrode layer, and a solid electrolyte layer between the electrode layer and the counter electrode layer. The solid electrolyte layer has a first region containing a first solid electrolyte material and a second region containing a second solid electrolyte material. The first region is positioned within a region where the electrode layer and the counter electrode layer face each other. The second region is positioned on an outer peripheral side of the region where the electrode layer and the counter electrode layer face each other, and is in contact with the first region. The first region includes a first projecting portion that projects outward from a region where the electrode layer and the counter electrode layer face each other, and the second region covers the first projecting portion.
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公开(公告)号：US20220416290A1
公开(公告)日：2022-12-29
申请号：US17929768
申请日：2022-09-06
Inventor： Kazuyoshi HONDA , Akira KAWASE , Eiichi KOGA
Abstract: A method for manufacturing a laminated battery is a method for manufacturing a laminated battery in which a plurality of unit battery cells each having a negative-electrode layer, a positive-electrode layer, and a solid electrolyte layer located between the negative-electrode layer and the positive-electrode layer are laminated. The method includes measuring respective characteristics of the plurality of unit battery cells, adjusting respective effective areas of the plurality of unit battery cells on the basis of the respective characteristics of the plurality of unit battery cells measured in the measuring so that respective battery capacities of the plurality of unit battery cells fall within a predetermined range of value, and laminating the plurality of unit battery cells, the effective areas of the plurality of unit battery cells being adjusted in the adjusting.
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