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公开(公告)号:US20200227699A1
公开(公告)日:2020-07-16
申请号:US16638909
申请日:2018-08-27
Inventor: JIRO MURATSU , SHINYA GESHI
Abstract: In a battery module including a plurality of battery blocks, the battery block is configured such that a plurality of assembled batteries each of which is formed of the plurality of batteries are arranged in parallel. The battery has a positive-electrode terminal and a negative electrode terminal on one end portion of the battery. The assembled battery includes a positive electrode bus bar for connecting the plurality of batteries in parallel and a negative electrode bus bar for connecting the plurality of batteries in parallel, which are disposed on one end portions of the batteries. On a boundary portion between the battery blocks, the positive electrode bus bars of the respective assembled batteries of one battery block and the negative electrode bus bars of the respective assembled batteries of the other battery block are respectively connected to each other in series by an inter-block connecting bus bar.
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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:US20250105466A1
公开(公告)日:2025-03-27
申请号:US18730801
申请日:2023-01-26
Inventor: KEISUKE NAGATA , JIRO MURATSU , HIROSHI TAKASAKI , TATSUYA HIRANO
IPC: H01M50/507 , H01M50/48 , H01M50/503
Abstract: A battery module includes a plurality of batteries arranged in a row, and a plurality of current collector plates electrically connected to the plurality of electric power storage devices, wherein the plurality of batteries is arranged in a direction orthogonal to a height direction of each battery. The plurality of current collector plates includes a flat plate shaped current collector main body that is inclined with respect to an arrangement direction of the plurality of batteries, and arranged in a row. The plurality of current collector plates includes a first current collector plate and a second current collector plate that are adjacent to each other, and a part of the current collector main body in the first current collector plate overlaps at least a part of the current collector main body in the second current collector plate in the height direction.
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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:US20250105465A1
公开(公告)日:2025-03-27
申请号:US18730800
申请日:2023-01-26
Inventor: KEISUKE NAGATA , JIRO MURATSU , HIROSHI TAKASAKI , TATSUYA HIRANO
IPC: H01M50/507 , H01G11/72 , H01M50/213 , H01M50/258 , H01M50/262 , H01M50/289
Abstract: A battery module includes a plurality of batteries, current collector plates each connecting the plurality of batteries, and an upper holder including a part disposed between the plurality of batteries and the current collector plates. The plurality of batteries is arranged in a direction orthogonal to the height direction of the batteries. The upper holder includes a plurality of inclined surface parts which is inclined with respect to the arrangement direction and on which the current collector plate is mounted. A plurality of inclined surface parts is disposed in a row.
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公开(公告)号:US20210234240A1
公开(公告)日:2021-07-29
申请号:US17267527
申请日:2019-02-13
Inventor: JIRO MURATSU , HIROTAKA OGINO
IPC: H01M50/51 , H01M50/213 , H01M50/543 , H01M10/04
Abstract: 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 surface facing the unit batteries, and the conductive members extend along the rows in which the unit batteries in the battery blocks are arrayed, two conductive members are arranged with respect to one battery block, and the conductive members are provided with terminal connecting portions connected through the holes to the same-polarity terminals of the respective unit batteries included in one battery block.
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公开(公告)号:US20200176735A1
公开(公告)日:2020-06-04
申请号:US16639692
申请日:2018-09-03
Inventor: JIRO MURATSU , SHINYA GESHI
Abstract: A battery module includes: cells, wherein each of the cells including a positive electrode terminal and a negative electrode terminal disposed on one end part, the one end parts being positioned on a same side, and a battery block is constituted by a row of the plurality of cells. The battery module further includes a plate disposed above the one end parts of the cells being arranged, and the plate includes: holes through which the positive electrode terminal and the negative electrode terminal are exposed; and a plurality of conductive members disposed on a surface. The plurality of conductive members extend along the row, two of the plurality of conductive members are disposed in the battery block, and each of the plurality of conductive members includes terminal connecting parts connected through the holes to the terminals of a same pole.
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公开(公告)号:US20220320689A1
公开(公告)日:2022-10-06
申请号:US17633612
申请日:2020-08-19
Inventor: JIRO MURATSU
IPC: H01M50/526 , H01M4/70 , H01M10/0585
Abstract: An electrical storage module includes an insulating substrate that opposes an electrical storage group including a plurality of electrical storage devices and includes a plurality of through-holes, a plurality of current collecting foils that are arranged side by side at intervals from each other on a first surface of the insulating substrate on a side opposite to a surface that opposes the electrical storage group, and an insulating sheet that is disposed to cover the plurality of current collecting foils. The plurality of current collecting foils include a first current collecting foil and a second current collecting foil that are adjacent to each other at an interval in a direction parallel to the first surface. The first current collecting foil includes a first lead part in a tongue shape that extends from an edge, is inserted into a hole of the insulating substrate, and is electrically connected to a positive electrode of a battery, and the second current collecting foil includes a second lead part in a tongue shape that extends from the edge, is inserted into the hole of the insulating substrate, and is electrically connected to a negative electrode of the battery.
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公开(公告)号:US20210257704A1
公开(公告)日:2021-08-19
申请号:US17253599
申请日:2019-02-08
Inventor: KOICHI SAWADA , TAKESHI NAGAO , JIRO MURATSU , KEISUKE NAITO
IPC: H01M50/503 , H01M50/213
Abstract: A cell module includes a plurality of cells that each have a cylindrical shape and include a positive-electrode terminal and a negative-electrode terminal disposed on one end of the cell. One of the terminals is located at a center, and the other terminal is located on a circumferential edge and is electrically connected to a side surface of a tube of each of the cells, a connection intervening member mounted on the other terminal includes a tab extending along the side surface of the tube and electrically connected to the side surface, and a hole that causes the center of the one end to be exposed. The plurality of cells make up a cell block where the one ends are oriented in an identical direction, and cells adjacent to each other are aligned in rows, on the one ends of the plurality of cells, a plate having electrical insulating properties is disposed, the plate is provided with a hole that causes the one end of each of the cells to be exposed and is further provided with a plurality of conductive members on a surface of the plate distant from the cells, the conductive members extend along the rows of the cells aligned, two of the conductive members are disposed for each cell block and include terminal connectors electrically connected to terminals, having identical polarity, of the cells in each cell block, and the other terminals are connected with the terminal connectors through the connection intervening member.
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公开(公告)号:US20200227698A1
公开(公告)日:2020-07-16
申请号:US16638899
申请日:2018-08-21
Inventor: JIRO MURATSU , SHINYA GESHI
Abstract: A battery block includes assembled batteries that are arranged in parallel to each other, and the plurality of assembled batteries are each formed of a plurality of batteries as a unit. Each of the batteries has a positive-electrode terminal and a negative-electrode terminal on one end portion of the battery. The assembled battery includes: the plurality of batteries which are arranged in a row with one end portions of the batteries directed in the same direction; an insulation holder which is arranged on one end portion side of the batteries and holds the batteries; and a positive-electrode bus bar and a negative-electrode bus bar arranged on one end portions of the batteries. The positive-electrode bus bar and the negative-electrode bus bar are respectively held by holding portions which are formed on the insulation holder along a row direction and in parallel to each other.
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