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公开(公告)号：US20240266687A1
公开(公告)日：2024-08-08
申请号：US18638744
申请日：2024-04-18
Inventor： KAZUYOSHI HONDA , AKIRA KAWASE , KAZUHIRO MORIOKA , EIICHI KOGA , KOICHI HIRANO
IPC: H01M50/529 , H01M50/509 , H01M50/514 , H01M50/588 , H05K1/18
CPC classification number: H01M50/529 , H01M50/509 , H01M50/514 , H01M50/588 , H05K1/18 , H05K2201/10037
Abstract: A battery includes: a power generation element including a plurality of battery cells each having 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 laminated; a first conductive member; and a second conductive member, in which at least a portion of the plurality of battery cells are electrically connected in parallel, the parallel connection is carried out by an insulating layer and a connecting portion provided on a side surface of the power generation element, at least a portion of the plurality of battery cells are electrically connected in series, the power generation element is provided with at least one through hole that penetrates at least a portion of the plurality of battery cells in a direction of lamination and is open on at least any of a first principal surface and a second principal surface located on an opposite side to the first principal surface of the power generation element, the first conductive member is electrically connected to a first battery cell among the plurality of battery cells, passes through the at least one through hole, and extends to an opening position of the at least one through hole located on a first surface being one of the first principal surface and the second principal surface, the second conductive member is electrically connected to a second battery cell among the plurality of battery cells being different from the first battery cell, passes through the at least one through hole, and extends to an opening position of the at least one through hole located on a second surface being one of the first principal surface and the second principal surface, and the first battery cell and the second battery cell are not connected in parallel.
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公开(公告)号：US20240222647A1
公开(公告)日：2024-07-04
申请号：US18605804
申请日：2024-03-14
Inventor： KAZUYOSHI HONDA , KOICHI HIRANO , EIICHI KOGA , KAZUHIRO MORIOKA , AKIRA KAWASE
IPC: H01M4/70 , H01M4/66 , H01M4/82 , H01M10/052 , H01M10/0562
CPC classification number: H01M4/70 , H01M4/82 , H01M10/052 , H01M10/0562 , H01M4/661
Abstract: Each of the plurality of power-generating layers includes an electrode layer, a counter electrode layer, and a solid electrolyte layer located between the electrode layer and the counter electrode layer, a plurality of current collectors each include a counter electrode current collector that is electrically connected to the counter electrode layer, and an electrode current collector that is electrically connected to the electrode layer, the plurality of power-generating layers are laminated so as to be electrically connected in parallel, the power-generating layers being adjacent to each other are laminated while interposing at least one current collector out of the plurality of current collectors, each of the power-generating layers of a power-generating element is sandwiched between two adjacent current collectors out of the plurality of current collectors, a side surface of the power-generating element includes a first region and a second region.
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公开(公告)号：US20240106005A1
公开(公告)日：2024-03-28
申请号：US18534633
申请日：2023-12-10
Inventor： EIICHI KOGA
IPC: H01M10/0585 , H01M50/474
CPC classification number: H01M10/0585 , H01M50/474
Abstract: A battery of the disclosure includes a first cell and a second cell disposed on the first cell. The first cell includes a first positive electrode layer, a first negative electrode layer, and a first solid electrolyte layer disposed between the first positive electrode layer and the first negative electrode layer. The first cell has an outer peripheral shape that includes a first side having a curved portion in plan view. The outer peripheral shape of the first cell includes a portion on the first side that does not coincide with an outer peripheral shape of the second cell in plan view.
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公开(公告)号：US20230290996A1
公开(公告)日：2023-09-14
申请号：US18178540
申请日：2023-03-06
Inventor： EIICHI KOGA
IPC: H01M10/0525 , H01M50/51 , H01M50/512 , H01M10/653
CPC classification number: H01M10/0525 , H01M10/653 , H01M50/51 , H01M50/512
Abstract: A battery includes: a power generation element; an electrode insulation film; a counter electrode insulation film; an electrode terminal; and a counter electrode terminal, in which the power generation element includes an electrode main surface, a counter electrode main surface, and a side surface, the electrode insulation film includes a first side surface covering portion and an electrode main surface covering portion, the counter electrode insulation film includes a second side surface covering portion and a counter electrode main surface covering portion, the electrode terminal includes a counter electrode insulation film covering portion and an electrode contact portion, and the counter electrode terminal includes an electrode insulation film covering portion and a counter electrode contact portion.
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公开(公告)号：US20230009610A1
公开(公告)日：2023-01-12
申请号：US17933503
申请日：2022-09-20
Inventor： EIICHI KOGA
IPC: H01M4/70 , H01M10/0585
Abstract: A battery includes a first electrode, a second electrode, and a solid electrolyte layer located between the first electrode and the second electrode. The first electrode includes a first collector and a first active material layer located between the first collector and the solid electrolyte layer. The first collector has at least one first slit, the at least one first slit penetrating the first collector in a thickness direction and being connected to an outer edge of the first collector.
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Patent Agency Ranking
公开(公告)号：US20220416309A1
公开(公告)日：2022-12-29
申请号：US17929772
申请日：2022-09-06
Inventor： KAZUYOSHI HONDA , AKIRA KAWASE , EIICHI KOGA , KOUJI NISHIDA , KAZUHIRO MORIOKA
IPC: H01M10/0585 , H01M10/48 , G01R31/396 , G01R31/389
Abstract: 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 including: measuring respective characteristics of the plurality of unit battery cells; laminating the plurality of unit battery cells, the characteristics of the plurality of unit battery cells being measured; and on the basis of the respective characteristics of the plurality of unit battery cells laminated in the laminating, adjusting areas of the plurality of unit battery cells which are laminated by collectively cutting the plurality of unit battery cells which are laminated and thereby so that a battery capacity of the laminated battery falls within a predetermined range of value.
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公开(公告)号：US20220328872A1
公开(公告)日：2022-10-13
申请号：US17851053
申请日：2022-06-28
Inventor： EIICHI KOGA
IPC: H01M10/0562 , H01M50/51 , H01M50/526
Abstract: A battery includes: a plurality of solid-state battery cells; and a connection layer located between the solid-state battery cells. Each of the solid-state battery cells has a structure in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer including an inorganic solid electrolyte, a negative electrode active material layer, and a negative electrode current collector are laminated in this order. The solid-state battery cells are electrically connected in series. The positive electrode current collector of one of a pair of the solid-state battery cells and the negative electrode current collector of the other of the pair of the solid-state battery cells are laminated via the connection layer, the pair of the solid-state battery cells are adjacent solid-state battery cells among the solid-state battery cells. The connection layer includes a conductive material, and the Young's modulus of the connection layer is lower than the Young's moduli of the positive electrode current collector, the positive electrode active material layer, the solid electrolyte layer, the negative electrode active material layer, and the negative electrode current collector.
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公开(公告)号：US20220020512A1
公开(公告)日：2022-01-20
申请号：US17299774
申请日：2019-12-02
Inventor： YOSHIKO HIGASHI , EIICHI KOGA , MASAYUKI TAKAGISHI
Abstract: Provided is a varistor assembly capable of achieving good surge breakdown voltage while suppressing capacitance. The varistor assembly is obtained by connecting a plurality of varistor elements in parallel. Each varistor element includes: a sintered body obtained by sintering a laminate in which varistor layers and internal electrodes are alternately laminated; and a pair of external electrodes provided in a state where the internal electrodes are alternately connected on at least both end faces of this sintered body. Varistor element includes at least a plurality of first group varistor elements in which a value obtained by dividing a surface area of the sintered body by a volume of the sintered body is 1.9 mm−1 or more.
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公开(公告)号：US20210305665A1
公开(公告)日：2021-09-30
申请号：US17343644
申请日：2021-06-09
Inventor： EIICHI KOGA
IPC: H01M50/572 , H01M50/543 , H01M50/531 , H01M10/0585
Abstract: A battery includes positive and negative electrode terminals, positive and negative electrode layers, a positive electrode current collector electrically connected to the positive electrode layer and the positive electrode terminal, a negative electrode current collector electrically connected to the negative electrode layer and the negative electrode terminal, a bipolar current collector positioned between the positive and negative electrode current collectors, a solid electrolyte layer positioned between the positive and negative electrode current collectors, and an insulating sealing member positioned between the positive and negative electrode current collectors and surrounding the solid electrolyte layer, wherein the positive electrode current collector and the negative electrode terminal are electrically isolated with a gap, the negative electrode current collector and the positive electrode terminal are electrically isolated with a gap, and the bipolar current collector is electrically isolated from the positive and negative electrode terminals with gaps.
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公开(公告)号：US20210184253A1
公开(公告)日：2021-06-17
申请号：US17184735
申请日：2021-02-25
Inventor： EIICHI KOGA
IPC: H01M10/0562 , H01M10/0525
Abstract: A solid electrolyte according to the present disclosure includes first particles consisted of a first solid electrolyte material and second particles consisted of a second solid electrolyte material. The first solid electrolyte material has a higher ionic conductivity than the second solid electrolyte material. The second solid electrolyte material has a lower Young's modulus than the first solid electrolyte material.
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