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公开(公告)号：US20200220130A1
公开(公告)日：2020-07-09
申请号：US16638578
申请日：2018-08-07
Inventor： SHINGO KUME , TOSHIYA GOTOU
IPC: H01M2/10 , H01M10/613 , H01M10/6568 , H01M10/6556 , H01M2/12 , H01M10/6552 , H01M10/625
Abstract: A battery pack includes: a battery stack; a housing that houses the battery stack; and a skeleton part that is housed in the housing and reinforces the housing. The skeleton part includes a stem extending in a first direction, a plurality of branch portions that protrude from the stem and are arranged in a row in the first direction, and a plurality of housing spaces, each of the housing spaces being defined by a pair of branch portions disposed adjacently to each other and housing the battery stack. The stem and the plurality of branch portions are fixed to the housing.
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公开(公告)号：US20230048822A1
公开(公告)日：2023-02-16
申请号：US17758590
申请日：2021-01-22
Inventor： SHINYA GESHI , KAZUTOSHI KOHIRA , SHINGO KUME
IPC: H01M50/578 , H01G11/80 , H01M50/107 , H01M50/184 , H01M50/179 , H01M50/533 , H01M50/342
Abstract: A power storage device includes a case, a power storage element disposed in the case, a lead connected to an electrode of the power storage element, a sealing member sealing an opening of the case. The sealing member includes a gasket and a sealing plate having conductivity. The gasket includes a base having a disk shape. The base is disposed between the sealing plate and the power storage element. The base has a through-hole formed therein. The sealing plate includes a protrusion inserted in the through-hole. The protrusion of the sealing plate is connected to the lead. The protrusion is configured to be displaced in a direction away from the lead in accordance with an increase of an internal pressure of the case so as to be disconnected from the lead.
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公开(公告)号：US20220285773A1
公开(公告)日：2022-09-08
申请号：US17597697
申请日：2020-07-27
Inventor： GORO FUJITA , SHOTA NORIMINE , TETSUJI OMURA , MITSUTOSHI TAJIMA , SHINGO KUME
IPC: H01M50/242 , H01M50/209 , H01M50/489
Abstract: A power storage module includes at least one power storage device, and a buffer member arranged with the power storage device in a first direction X. The buffer member includes a hard part having a predetermined hardness and a soft part softer than the hard part, the hard part and the soft part receiving a load in first direction X from the power storage device. The hard part changes its shape by receiving a load of a predetermined magnitude or more. The buffer member changes its state, by the hard part changing its shape, from a first state in which the load is received by the hard part to a second state in which the load is received by the soft part.
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公开(公告)号：US20200251701A1
公开(公告)日：2020-08-06
申请号：US16638610
申请日：2018-12-19
Inventor： SHINYA MOTOKAWA , SHINGO KUME
IPC: H01M2/10 , H01M2/20 , H01M2/04 , H01M10/04 , H01M10/0587
Abstract: A cell module includes: a battery cell group configured with a plurality of cylindrical battery cells; a positive current collector; and a negative current collector. The negative current collector has: a substrate disposed on a sealing body side of the cylindrical battery cells such that the negative current collector covers the battery cell group; and a current collecting pin protruding toward the battery cell group from the substrate. The current collecting pin is inserted into a gap between the cylindrical battery cells along an axial direction of such battery cells, and presses the side surfaces of outer cans of at least two cylindrical battery cells neighboring each other.
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公开(公告)号：US20220294070A1
公开(公告)日：2022-09-15
申请号：US17635021
申请日：2020-09-18
Inventor： GORO FUJITA , SHOTA NORIMINE , TETSUJI OMURA , MITSUTOSHI TAJIMA , SHINGO KUME
IPC: H01M50/291 , H01M50/209 , H01M50/242 , H01M50/231 , H01M50/543
Abstract: An electrical storage module includes: at least one electrical storage device; and a buffer member that is arranged in first direction X together with the electrical storage device and is configured to receive a load from the electrical storage device in first direction X. The buffer member includes a first layer portion and a second layer portion arranged in first direction X. The first layer portion has first softened portions each formed of a through hole or a recessed part. The second layer portion has second softened portion each formed of a through hole or a recessed part. The first softened portion and the second softened portion are at least partially displaced from each other as viewed in first direction X.
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Patent Agency Ranking
公开(公告)号：US20220294069A1
公开(公告)日：2022-09-15
申请号：US17633370
申请日：2020-08-19
Inventor： SHOTA NORIMINE , GORO FUJITA , TETSUJI OMURA , MITSUTOSHI TAJIMA , SHINGO KUME
IPC: H01M50/291 , H01M50/209 , H01M50/543 , H01M50/236
Abstract: An electrical storage module includes at least one electrical storage device, and a buffer member that is arrayed in first direction X together with the electrical storage device and receives a load in first direction X from the electrical storage device. The buffer member has a soft part and a hard part, which is positioned closer to an outer edge part of the buffer member than the soft part, and the soft part is more easily deformed than the hard part.
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公开(公告)号：US20240170783A1
公开(公告)日：2024-05-23
申请号：US18552196
申请日：2022-03-23
Inventor： HIROSHI TAKASAKI , SHINGO KUME , MOMOKO HIRANUMA
IPC: H01M50/242 , H01M50/213 , H01M50/244 , H01M50/383
CPC classification number: H01M50/242 , H01M50/244 , H01M50/213 , H01M50/383
Abstract: A power storage module includes at least one cylindrical power storage device, and a cell holder that houses the power storage device. The cell holder includes a retainer that holds a lower side in an axial direction of the power storage device, and a side wall that covers a side peripheral surface of the power storage device. The retainer includes a container which houses a lower end side of the power storage device, and a notch that is formed on a side surface of the retainer along an inner surface of the container.
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公开(公告)号：US20210391629A1
公开(公告)日：2021-12-16
申请号：US17288583
申请日：2019-11-12
Inventor： SHINGO KUME , AKIHIRO YONEYAMA
IPC: H01M50/505 , H01M50/545 , H01M50/557
Abstract: A power storage module includes a plurality of power storage devices and a bus bar electrically connecting the plurality of power storage devices. Each power storage device has a housing and a pair of output terminals disposed on a first surface of the housing. The bus bar has the plurality of terminal connections connected to the output terminals of each power storage device, and a linking part connecting the plurality of terminal connections. Each terminal connection part has a first part connected to each output terminal and a second part continuous from the first part and extending along a second surface spreading in a direction intersecting the first surface of the housing. Each linking part has a third part that connects the second parts of the adjacent terminal connections to each other.
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公开(公告)号：US20210020890A1
公开(公告)日：2021-01-21
申请号：US16980521
申请日：2019-03-11
Inventor： TETSUJI OMURA , SHINGO KUME
Abstract: A bus bar has: a first joint part connected to an output terminal of the first cell; a second joint part connected to an output terminal of the second cell; and a projection that is disposed between the first joint part and the second joint part and protrudes in a stacking direction in which the cells and the bus bar are stacked. The projection has a first inclined part extending from the first joint part and has a second inclined part extending from the second joint part. The first inclined part and the second inclined part are arranged in such a manner that the first inclined part and the second inclined part are aligned with a predetermined interval W and that the predetermined interval gradually becomes wider from a first end side toward a second end side.
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公开(公告)号：US20200212390A1
公开(公告)日：2020-07-02
申请号：US16639079
申请日：2018-08-30
Inventor： SHINGO KUME , TOSHIYA GOTOU
IPC: H01M2/10 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6556 , H01M10/6567 , H01M10/6554
Abstract: A battery module includes battery stacks, a first restraining part, and a plurality of second restraining parts. The first restraining part has: a flat plate part; a plurality of first wall parts that protrude from a main surface of the flat plate part, extend in a stacking direction of the batteries, and are arranged in a first direction; and second wall parts extending in the first direction at end parts of each wall part. The second restraining parts are disposed individually corresponding to the first wall parts and each have: a belt part extending parallel to the flat plate part; a third wall part protruding from the belt part toward the first wall part and extending in the stacking direction; and fourth wall parts extending in the first direction at end parts of the third wall part. There are arranged a plurality of housing spaces for the battery stacks.
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