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公开(公告)号：US20250132451A1
公开(公告)日：2025-04-24
申请号：US18730696
申请日：2023-01-26
Inventor： HIROTAKA OGINO , CHIFUMI MURAYAMA
IPC: H01M50/342 , H01M50/213 , H01M50/244 , H01M50/293 , H01M50/367
Abstract: A power storage pack includes: at least one power storage block including at least one power storage device including an exhaust valve; pack case accommodating the at least one power storage block and including an exhaust port; hollow member interposed between pack case and the at least one power storage block, a part of the hollow member facing the exhaust valve of the at least one power storage device; and a resin filler interposed between the at least one power storage device and hollow member. Hollow member includes opening and an outer surface any of which is connected to exhaust port of pack case.
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公开(公告)号：US20230369722A1
公开(公告)日：2023-11-16
申请号：US18041692
申请日：2021-09-17
Inventor： JIRO MURATSU , HIROTAKA OGINO , HIROSHI TAKASAKI , TATSUYA HIRANO , KEISUKE NAGATA
IPC: H01M50/503 , H01M50/213 , H01M50/55 , H01M50/559
CPC classification number: H01M50/503 , H01M50/213 , H01M50/55 , H01M50/559 , H01G11/74
Abstract: An electric power storage module includes at least one cylindrical electric power storage device. A positive-electrode terminal and a negative-electrode terminal are disposed at an upper end of the electric power storage device, the negative-electrode terminal is disposed on an outer side with respect to the positive-electrode terminal in a radial direction of the electric power storage device, a negative-electrode lead electrically connected to the negative-electrode terminal from an outer side in the radial direction is further provided, and the negative-electrode lead includes a contact part that is in contact with a side surface of the electric power storage device, and a shoulder that is formed on an inner side in the radial direction with respect to the contact part and includes a joint.
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公开(公告)号：US20230395920A1
公开(公告)日：2023-12-07
申请号：US18249403
申请日：2021-10-21
Inventor： HIROTAKA OGINO , SHOTA NORIMINE
IPC: H01M50/244 , H01M50/213
CPC classification number: H01M50/244 , H01M50/213
Abstract: An electric power storage module includes an electric power storage device and a holder. The electric power storage device includes a plurality of electrode assemblies that have a cylindrical shape, and a film exterior body that includes a plurality of containers that individually wrap the plurality of electrode assemblies and a sealing part that seals the containers and connects the plurality of containers to each other. The holder includes a side plate extending in an arrangement direction. The side plate includes a plurality of recesses arranged in the arrangement direction and into which the containers are fitted, a first edge and a second edge arranged in an axial direction and extending in the arrangement direction, and a third edge and a fourth edge arranged in the arrangement direction and extending in the axial direction. In addition, the holder includes a first wall plate that is formed by a part of a member forming the side plate and protrudes in an orthogonal direction from at least a part of a region of the first edge.
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公开(公告)号：US20220367967A1
公开(公告)日：2022-11-17
申请号：US17755314
申请日：2020-10-23
Inventor： HIROTAKA OGINO , KOICHI SAWADA
IPC: H01M50/342 , H01M10/615 , H01M10/657 , H01M10/658
Abstract: A power storage module includes a plurality of power storage devices and a heater that heats the plurality of power storage devices. Each of the plurality of power storage devices includes an exhaust valve that discharges a gas in the power storage device to an outside of the power storage device. The heater faces the exhaust valve. The power storage module further includes a case that houses the plurality of power storage devices and the heater, and an exhaust duct that is formed on an upper side of an inside of the case and communicates with an outside of the case.
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公开(公告)号：US20210005856A1
公开(公告)日：2021-01-07
申请号：US16979954
申请日：2019-02-28
Inventor： SHOTA NORIMINE , MITSUTOSHI TAJIMA , HIROTAKA OGINO
IPC: H01M2/10
Abstract: A battery module includes: a battery stack having a plurality of batteries; a plurality of first restraining members and a plurality of second restraining members; and connecting members. The first restraining members and the second restraining members define a housing space for the battery stack. Each of the first restraining members has a first housing part extending in a direction intersecting a planar direction in which the battery stack, the first restraining members, and the second restraining members are arranged, and each of the second restraining members has a second housing part extending in the planar direction. Each of the connecting members connects each of the first restraining members and each of the second restraining members to each other by being housed in the first housing part of each of the first restraining members and in the second housing part of each of the second restraining members.
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Patent Agency Ranking
公开(公告)号：US20230307773A1
公开(公告)日：2023-09-28
申请号：US18005980
申请日：2021-07-21
Inventor： JIRO MURATSU , HIROTAKA OGINO , HIROSHI TAKASAKI , TATSUYA HIRANO , KEISUKE NAGATA
IPC: H01M50/291 , H01M50/107 , H01M50/55 , H01M50/213
CPC classification number: H01M50/291 , H01M50/107 , H01M50/213 , H01M50/55
Abstract: At least one cylindrical electricity storage device, and an upper holder for holding an upper end side of the electricity storage device are included. A positive electrode terminal and a negative electrode terminal are disposed on an upper end part of the electricity storage device, and the negative electrode terminal is positioned in the outer side than the positive electrode terminal in a radial direction of the electricity storage device. A negative electrode lead connected to the negative electrode terminal from the outer side in the radial direction is further included. The upper holder includes a restriction part positioned in the inner side than at least a part of the negative electrode lead. A bottom surface of the restriction part protrudes toward the lower part than the surface facing an end part of one side of the electricity storage device in the upper holder.
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公开(公告)号：US20230019327A1
公开(公告)日：2023-01-19
申请号：US17757405
申请日：2020-12-22
Inventor： HIROTAKA OGINO
IPC: H01M10/658 , H01G2/10 , H01M50/213 , H01M50/107 , H01M50/291 , H01M10/643
Abstract: A power storage module including: a plurality of power storage devices; and a holder that holds the plurality of power storage devices, wherein each of the power storage devices includes a case including an opening, an electrode assembly accommodated in the case and including a first electrode and a second electrode, and a sealing member that seals the opening, the case includes a cylindrical cylinder part, an opening end part corresponding to the opening provided at one end part of the cylinder part, and a bottom part that closes another end part of the cylinder part, in each of the plurality of power storage devices, at least a part of an outer peripheral surface of the cylinder part is covered with an insulating layer, and positions of a pair of the power storage devices adjacent to each other included in the plurality of power storage devices are regulated by the insulating layer.
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公开(公告)号：US20220285775A1
公开(公告)日：2022-09-08
申请号：US17635688
申请日：2020-08-19
Inventor： SHINYA GESHI , HIROTAKA OGINO , CHIFUMI MURAYAMA , HIROSHI TAKASAKI
IPC: H01M50/244 , H01M50/186 , H01M50/213 , H01M50/218 , H01M50/24 , H01M50/242
Abstract: A power storage module includes at least one cylindrical power storage device, and a lower holder that holds a lower end part of the power storage device, wherein at least one concave part is formed on one of a surface of the power storage device facing a holding part and a surface of the holding part facing the power storage device, and at least one convex part fitted in the concave part is formed on the other.
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公开(公告)号：US20200176747A1
公开(公告)日：2020-06-04
申请号：US16631492
申请日：2018-07-18
Inventor： HIROTAKA OGINO
IPC: H01M2/20 , H01M2/10 , H01M10/058 , H01M10/04 , H01M10/48
Abstract: A linked battery module includes a first battery module and a second battery module having a same configuration. The first battery module includes: a battery stack that includes rectangular batteries, stacked in a row in a thickness direction; a restraint member on one side that restrains one side, in a Y direction, of the battery stack; a restraint member on the other side that restrains the other side, in the Y direction, of the battery stack; an end plate on one side that restrains one side, in an X direction, of the battery stack; and an end plate on the other side that restrains the other side, in the X direction, of the battery stack. A linking unit links the end plate on one side of the first battery module to the end plate on the other side of the second battery module.
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公开(公告)号：US20250055103A1
公开(公告)日：2025-02-13
申请号：US18722244
申请日：2022-12-15
Inventor： CHIFUMI MURAYAMA , KEISUKE SHIMIZU , HIROTAKA OGINO
IPC: H01M50/213 , H01M50/112 , H01M50/262 , H01M50/271 , H01M50/293 , H01M50/325 , H01M50/477
Abstract: An electricity storage pack includes: at least one electricity storage block that includes a plurality of cells; and a housing that houses the at least one electricity storage block. The at least one electricity storage block and the housing are fixed to one another by a fixing shaft that extends in a first direction and penetrates a first side face of the housing and the at least one electricity storage block.
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