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公开(公告)号：US20220416310A1
公开(公告)日：2022-12-29
申请号：US17929773
申请日：2022-09-06
Inventor： KAZUYOSHI HONDA , AKIRA KAWASE , EIICHI KOGA , TSUTOMU KOSHIZUKA , TAKESHI YAMASAKI , MASATOSHI NAKAMURA
IPC: H01M10/0585 , H01M10/48
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 are laminated, and a solid electrolyte layer located between the negative-electrode layer and the positive-electrode layer. The method includes laminating the plurality of unit battery cells and collectively compressing, in a direction of laminating, the plurality of unit cells laminated in the laminating. In the laminating, the plurality of unit battery cells are laminated in such an arrangement that two unit battery cells located at both ends in the direction of laminating are both lower in degree of compression than a unit battery cell located between the two unit battery cells.
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公开(公告)号：US20210391617A1
公开(公告)日：2021-12-16
申请号：US17460311
申请日：2021-08-30
Inventor： KAZUYOSHI HONDA , AKIRA KAWASE , EIICHI KOGA , KOUJI NISHIDA , NOBORU MASUDA , TAKESHI YAMASAKI
IPC: H01M50/186 , H01M10/0525 , H01M50/54
Abstract: A laminated battery includes battery cells which are laminated and a current collecting lead. Each of the battery cells has a structure in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector are laminated in this order. The battery cells include first and second battery cells adjacent to each other. At least the second battery cell has a side surface inclined with respect to a laminating direction of the battery cells. The first battery cell has a surface facing the second battery cell and including an exposed surface not in contact with the second battery cell. At least part of the exposed surface overlaps at least part of the side surface of the second battery cell viewed from the laminating direction. The current collecting lead is connected to the exposed surface.
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公开(公告)号：US20210391599A1
公开(公告)日：2021-12-16
申请号：US17460310
申请日：2021-08-30
Inventor： KAZUYOSHI HONDA , EIICHI KOGA , AKIRA KAWASE , NOBORU MASUDA , TAKESHI YAMASAKI
IPC: H01M10/0585 , H01M50/531
Abstract: A laminated battery includes a plurality of battery cells which are laminated and a current collecting lead. Each of the plurality of battery cells has a structure in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector are laminated in this order. The plurality of battery cells include first and second battery cells adjacent to each other. The first battery cell has a surface that faces the second battery cell and includes an exposed surface not in contact with the second battery cell. At least part of the exposed surface does not overlap the second battery cell when viewed from a laminating direction of the battery cells. The current collecting lead is connected to the exposed surface.
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公开(公告)号：US20210288347A1
公开(公告)日：2021-09-16
申请号：US17337492
申请日：2021-06-03
Inventor： KAZUYOSHI HONDA , YASUTAKA TSUTSUI , TSUTOMU KOSHIZUKA , AKIRA KAWASE
IPC: H01M10/0562 , H01M10/0585 , H01M50/183 , H01M10/0565 , H01M4/66 , H01M4/131
Abstract: A battery includes: a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer containing a solid electrolyte, a negative electrode active material layer, and a negative electrode current collector that are laminated in this order; and a sealing member. The battery has an opening hole penetrating the positive electrode current collector, the positive electrode active material layer, the solid electrolyte layer containing the solid electrolyte, the negative electrode active material layer, and the negative electrode current collector in a laminating direction and further includes a sealing member. In cross-sectional view perpendicular to the laminating direction, the sealing member is located between the opening hole and each of the positive electrode active material layer, the solid electrolyte layer, and the negative electrode active material layer.
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公开(公告)号：US20210151792A1
公开(公告)日：2021-05-20
申请号：US17161001
申请日：2021-01-28
Inventor： TATSUYA OSHIMA , IZURU SASAKI , SEIJI NISHIYAMA , AKIRA KAWASE
IPC: H01M10/0562 , H01M10/0525 , H01M4/04 , H01M4/36
Abstract: The present disclosure provides a negative electrode material that can improve the charge-discharge efficiency of a battery. A negative electrode material includes a reduced form of a first solid electrolyte material and a conductive auxiliary. The first solid electrolyte material is denoted by Formula (1): Li60 MβXγ. Herein, in Formula (1), each of α, β, and γ is a value greater than 0, M represents at least one element selected from the group consisting of metal elements except Li and semimetals, and X represents at least one element selected from the group consisting of F, Cl, Br, and I.
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Patent Agency Ranking
公开(公告)号：US20240274860A1
公开(公告)日：2024-08-15
申请号：US18641248
申请日：2024-04-19
Inventor： KAZUYOSHI HONDA , AKIRA KAWASE , KAZUHIRO MORIOKA , EIICHI KOGA , KOICHI HIRANO
IPC: H01M10/04 , H01M10/0585 , H01M50/209 , H01M50/51 , H01M50/519
CPC classification number: H01M10/0436 , H01M10/0585 , H01M50/209 , H01M50/51 , H01M50/519
Abstract: A battery includes: a power generation element including at least one battery cell each having a laminated structure of a positive electrode layer, a negative electrode layer, and a solid electrolyte layer located between the positive electrode layer and the negative electrode layer, in which the at least one battery cell is each provided with a through hole penetrating in a direction of lamination, a sectional area of the through hole in the positive electrode layer in a direction perpendicular to the direction of lamination is larger than a sectional area of the through hole in the negative electrode layer in the direction perpendicular to the direction of lamination, and an inner wall of the through hole is inclined with respect to the direction of lamination.
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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：US20230009792A1
公开(公告)日：2023-01-12
申请号：US17933501
申请日：2022-09-20
Inventor： KAZUHIRO MORIOKA , AKIRA KAWASE
IPC: H01M50/451 , H01M10/0525 , H01M50/414
Abstract: A battery includes an electrode layer, a counter-electrode layer placed opposite to the electrode layer, a solid electrolyte layer located between the electrode layer and the counter-electrode layer, and an insulating layer located between the electrode layer and the solid electrolyte layer. The electrode layer includes a collector and an electrode active material layer located between the collector and the solid electrolyte layer and between the collector and the insulating layer. The insulating layer is located at ends of the electrode active material layer in plan view. The insulating layer is located in a region where a length of the electrode active material layer from an outer periphery in plan view is less than or equal to 1 mm.
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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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