Patents by Inventor Hirotaka OGINO
Hirotaka OGINO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240021907Abstract: A battery module, including: a plurality of lithium secondary batteries aligned side by side; and a heat absorbing material disposed in contact with side surfaces of the plurality of lithium secondary batteries, wherein the lithium secondary battery includes an electrode plate group, a non-aqueous electrolyte having lithium ion conductivity, and a battery case housing the electrode plate group and the non-aqueous electrolyte, the electrode plate group includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, and at the negative electrode, a lithium metal deposits during charge and the lithium metal dissolves during discharge. This can suppress the increase in battery temperature in the event of abnormality.Type: ApplicationFiled: November 25, 2021Publication date: January 18, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Chifumi Murayama, Hirotaka Ogino, Akira Kano
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Publication number: 20230395920Abstract: 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.Type: ApplicationFiled: October 21, 2021Publication date: December 7, 2023Inventors: HIROTAKA OGINO, SHOTA NORIMINE
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Publication number: 20230395921Abstract: A power storage module includes a first power storage device, a second power storage device, a first holder, a second holder, and a reinforcement member. The first power storage device and the second power storage device are arranged in an orthogonal direction. The first holder includes a first side plate. The second holder includes a second side plate. The reinforcement member includes a first reinforcement part, a second reinforcement part, and a first connection part. The first reinforcement part includes a side plate groove into which the first side plate is fitted. The second reinforcement part includes a side plate groove into which the second side plate is fitted. The first connection part connects the first reinforcement part and the second reinforcement part, and is at least temporarily slidable with respect to at least one of the first reinforcement part and the second reinforcement part.Type: ApplicationFiled: October 21, 2021Publication date: December 7, 2023Inventors: SHOTA NORIMINE, HIROTAKA OGINO
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Patent number: 11824226Abstract: In a battery module, a plurality of unit batteries in which positive electrode terminals and negative electrode terminals are arranged at one-side ends are arranged in a staggered pattern while the one-side ends are arrayed on the same side, n pieces of battery blocks in which m pieces of the unit batteries adjacent to one another are connected in parallel to one another are connected in series to one another, two or more rows in which the unit batteries are arranged in a direction perpendicular to a series current direction are present on one battery block, the number of the unit batteries in each row is less than or equal to (m?1), an electrically insulating plate is arranged above the one-side ends of the plurality of arrayed unit batteries, the plate is provided with holes from which the positive electrode terminals and the negative electrode terminals of the respective unit batteries are exposed, and is provided with a plurality of conductive members on a surface opposite to a surface facing the unit batType: GrantFiled: February 13, 2019Date of Patent: November 21, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Jiro Muratsu, Hirotaka Ogino
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Publication number: 20230369722Abstract: 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.Type: ApplicationFiled: September 17, 2021Publication date: November 16, 2023Inventors: JIRO MURATSU, HIROTAKA OGINO, HIROSHI TAKASAKI, TATSUYA HIRANO, KEISUKE NAGATA
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Publication number: 20230352722Abstract: 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.Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Inventor: Hirotaka OGINO
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Publication number: 20230344089Abstract: A power storage module includes: at least one cylindrical power storage device; and an upper holder that holds an upper end side of the power storage device; in which a positive-electrode terminal and a negative-electrode terminal are disposed at an end part on the upper end part of the power storage device, the negative-electrode terminal is disposed outside the positive-electrode terminal in a radial direction of the power storage device, the power storage module further includes a negative electrode lead connected to the negative-electrode terminal from an outer side in the radial direction, and the upper holder includes a restricting part located inside at least a part of the lead in the radial direction.Type: ApplicationFiled: July 21, 2021Publication date: October 26, 2023Inventors: Jiro MURATSU, Hirotaka OGINO, Hiroshi TAKASAKI, Tatsuya HIRANO, Keisuke NAGATA
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Publication number: 20230318111Abstract: An electric power storage module includes an electric power storage device, a holder that holds the electric power storage device, and reinforcing members of the holder. The electric power storage device includes a plurality of cylindrical electrode assemblies, and a film outer covering 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 the array direction of the plurality of electrode assemblies, the side plate having a plurality of recesses arranged in the array direction and into which the respective containers are fitted. Each of the reinforcing members includes a first groove that extends in the array direction, is arranged together with the holder in an axial direction of the electrode assemblies, and into which the side plate is fitted on a surface facing the holder side.Type: ApplicationFiled: September 17, 2021Publication date: October 5, 2023Inventors: SHOTA NORIMINE, HIROTAKA OGINO
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Publication number: 20230307773Abstract: 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.Type: ApplicationFiled: July 21, 2021Publication date: September 28, 2023Inventors: JIRO MURATSU, HIROTAKA OGINO, HIROSHI TAKASAKI, TATSUYA HIRANO, KEISUKE NAGATA
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Patent number: 11742511Abstract: 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.Type: GrantFiled: July 18, 2018Date of Patent: August 29, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Hirotaka Ogino
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Patent number: 11563254Abstract: 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.Type: GrantFiled: February 28, 2019Date of Patent: January 24, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shota Norimine, Mitsutoshi Tajima, Hirotaka Ogino
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Publication number: 20230019327Abstract: 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.Type: ApplicationFiled: December 22, 2020Publication date: January 19, 2023Inventor: HIROTAKA OGINO
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Publication number: 20220367967Abstract: 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.Type: ApplicationFiled: October 23, 2020Publication date: November 17, 2022Inventors: HIROTAKA OGINO, KOICHI SAWADA
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Patent number: 11482742Abstract: A battery module includes: a battery stack; a restraint member on one side that restrains one side, in a Y direction, of the battery stack and includes a coolant passage on one side through which coolant flows; a restraint member on the other side that restrains the other side, in the Y direction, of the battery stack and includes a coolant passage on the other side through which coolant flows; 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. At least one of the end plates on the sides, includes a coolant passage on end side through which coolant passes, and the coolant passage on the end side communicates with the coolant passages on the sides.Type: GrantFiled: July 24, 2018Date of Patent: October 25, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hirotaka Ogino, Chifumi Murayama
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Publication number: 20220328922Abstract: An electricity storage module according to the present invention is provided with: a plurality of arranged cylindrical electricity storage devices; and an upper holder which holds the upper end parts of the plurality of electricity storage devices, while being provided with a plurality of containing parts that is formed of a thermoplastic resin. The upper holder comprises an upper support member which is formed of a thermosetting resin and supports electricity storage devices adjacent to each other, while being positioned between the adjacent electricity storage devices. In comparison to the thermoplastic resin, the thermosetting resin is not susceptible to deformation or melting event if heat is applied thereto.Type: ApplicationFiled: August 28, 2020Publication date: October 13, 2022Inventors: Hirotaka OGINO, Chifumi MURAYAMA, Jiro MURATSU, Koichi SAWADA
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Publication number: 20220285775Abstract: 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.Type: ApplicationFiled: August 19, 2020Publication date: September 8, 2022Inventors: SHINYA GESHI, HIROTAKA OGINO, CHIFUMI MURAYAMA, HIROSHI TAKASAKI
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Publication number: 20220255121Abstract: This battery comprises an electrode body, an outer package, an opening sealing element, and an auxiliary electrode. The auxiliary electrode has: a first joint part that is welded to an outer circumferential surface of a cylindrical part of the outer package; a plate-like first upward extension part that extends from the first joint part toward the side of an open end of the outer package; and a plate-like external connection part that extends from the first upward extension part in a direction different from that of the first upward extension part so as to be connected to another conductor member. The cylindrical part has a groove in which an outer circumferential surface is indented in such a manner as to make an inner circumferential surface protrude.Type: ApplicationFiled: July 29, 2020Publication date: August 11, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Jiro Muratsu, Hirotaka Ogino
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Publication number: 20220102776Abstract: A power storage module of the present disclosure includes a plurality of power storage devices formed into a tube-like shape; and a sheet-like heating element for heating the plurality of power storage devices, wherein each of the plurality of power storage devices has a tube-like case, the plurality of power storage devices are arranged such that central axes of the cases are parallel to each other, the heating element has a plurality of contact portions that are in continuous contact with side peripheral surfaces of the plurality of power storage devices, and a wrap angle of the plurality of contact portions and the power storage devices is greater than 180°.Type: ApplicationFiled: December 27, 2019Publication date: March 31, 2022Inventors: Koichi SAWADA, Hirotaka OGINO, Duoduo XIE
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Publication number: 20210234240Abstract: In a battery module of the present invention, a plurality of unit batteries in which positive electrode terminals and negative electrode terminals are arranged at one-side ends are arranged in a staggered pattern while the one-side ends are arrayed on the same side, n pieces of battery blocks in which m pieces of the unit batteries adjacent to one another are connected in parallel to one another are connected in series to one another, two or more rows in which the unit batteries are arranged in a direction perpendicular to a series current direction are present on one battery block, the number of the unit batteries in each row is less than or equal to (m?1), an electrically insulating plate is arranged above the one-side ends of the plurality of arrayed unit batteries, the plate is provided with holes from which the positive electrode terminals and the negative electrode terminals of the respective unit batteries are exposed, and is provided with a plurality of conductive members on a surface opposite to a suType: ApplicationFiled: February 13, 2019Publication date: July 29, 2021Inventors: JIRO MURATSU, HIROTAKA OGINO
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Publication number: 20210005856Abstract: 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.Type: ApplicationFiled: February 28, 2019Publication date: January 7, 2021Inventors: SHOTA NORIMINE, MITSUTOSHI TAJIMA, HIROTAKA OGINO