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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：US20220021071A1
公开(公告)日：2022-01-20
申请号：US17296393
申请日：2019-11-08
Inventor： KEISUKE SHIMIZU , TAKESHI NAGAO , GORO FUJITA
IPC: H01M50/342 , H01M10/613 , H01M10/625 , H01M10/633 , H01M10/6552 , H01M10/663 , H01M10/6568 , H01M10/6563 , B60L3/00 , B60L58/26 , B60Q9/00
Abstract: Battery pack (10) having a substantially sealed structure includes a plurality of cells (11-16) each having an opened portion provided in order to discharge an internal gas when an internal pressure rises. Non-resettable pressure switch (30, 31) that is connected to controller (50) by a signal line. The pressure switch changes irreversibly from a significant state to a non-significant state when a pressure in battery pack (10) is greater than a predetermined pressure threshold value.
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Patent Agency Ranking
公开(公告)号：US20230052085A1
公开(公告)日：2023-02-16
申请号：US17758589
申请日：2021-01-25
Inventor： KASUMI SATO , SHOTA NORIMINE , GORO FUJITA , KIYOMI KOZUKI , MITSUTOSHI TAJIMA
IPC: H01M50/264 , H01M50/209 , H01M10/613 , H01M10/647 , H01M10/6554 , H01M50/543 , H01M50/342
Abstract: A power storage module includes an array including power storage devices each having first and second surfaces opposite to each other in a first direction, a first restraint member facing the first surface of each power storage device, and a second restraint member facing the second surface of each power storage device. Dimensions of the power storage devices in a second direction perpendicular to the first direction are larger than respective dimensions of the power storage devices. The power storage devices are arranged in a third direction perpendicular to the first and second directions. The first restraint member extends in the third direction and restrains the array in the third direction. The second restraint member extends in the third direction and restrains the array in the third direction. At least one of the first and second restraint members has a hole therein. The hole is a recess falling in the first direction or a through-hole passing through the restraint member in the first direction.
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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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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：US20230137433A1
公开(公告)日：2023-05-04
申请号：US17906482
申请日：2021-03-26
Inventor： KIYOMI KOZUKI , TOSHIYASU KITAMURA , GORO FUJITA , KASUMI SATO
IPC: H01M50/517 , H01M50/209 , H01M50/15 , H01M50/553 , H01M50/503 , H01M50/522
Abstract: An electrical storage module includes: a plurality of electrical storage devices; and a bus bar that connects electrode terminals of the electrical storage devices to each other, in which the electrical storage device includes an outer covering can in which an opening is formed, and a plate-shaped sealing body that is provided with the electrode terminal and is inserted into the opening of the outer covering can, the electrode terminal has a container that includes a through-hole or a recess that is formed in a direction substantially orthogonal to a direction in which the sealing body is inserted into the outer covering can, and the bus bar includes a press-fitting portion that is press-fitted into the container.
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公开(公告)号：US20200168880A1
公开(公告)日：2020-05-28
申请号：US16613835
申请日：2018-07-05
Inventor： GORO FUJITA
Abstract: A bus bar includes a first heat absorber that is joined to an output terminal of a first battery, a second heat absorber that is joined to an output terminal of a second battery, and a main body that electrically connects the first heat absorber to the second heat absorber. The first heat absorber and the second heat absorber have a heat capacity larger than a heat capacity of the main body. The main body has a first connecting part that is electrically connected to the first heat absorber, a second connecting part that is electrically connected to the second heat absorber, and a displacement absorber that is disposed between the first connecting part and the second connecting part and deforms in response to a relative displacement of the first battery and the second battery.
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