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公开(公告)号：US20220190411A1
公开(公告)日：2022-06-16
申请号：US17601957
申请日：2020-04-14
Inventor： TOSHIYA GOTOU , TOSHIYASU KITAMURA , MITSUTOSHI TAJIMA
IPC: H01M50/102 , H01M10/658 , H01M10/058
Abstract: A battery includes an electrode group, and a rectangular exterior casing that houses the electrode group and includes a tubular side wall, a bottom connected to a lower end of the side wall in a Z direction, and an opening provided at an upper end. An inner surface of the bottom of the exterior casing has a slope inclined with respect to a plane orthogonal to the Z direction. The electrode group is in thermal contact with the slope. The bottom may have a protrusion protruding inward in the Z direction of the exterior casing, and the slope may be formed on the protrusion.
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公开(公告)号：US20230085917A1
公开(公告)日：2023-03-23
申请号：US17756200
申请日：2020-11-06
Inventor： MITSUTOSHI TAJIMA
IPC: H01M50/264 , H01M50/209 , H01M10/04 , H01M50/258
Abstract: A power storage module includes: a plurality of power storage devices; a pair of end plates disposed at both ends of the plurality of power storage devices, the end plate including at least a first member and a second member separated from each other; and a binding member including a body part and coupling arms that extend from the body part and are coupled to the pair of end plates, the binding member binding the plurality of power storage devices. The first member includes fixing parts to which the coupling arms are fixed. The second member includes a pressure receiving part that is interposed between the first member and the power storage device and is in direct or indirect contact with the power storage device, and pressing parts that are in direct or indirect contact with base parts of the coupling arms.
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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：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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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：US20220158306A1
公开(公告)日：2022-05-19
申请号：US17441235
申请日：2020-03-17
Inventor： AKIHIRO YONEYAMA , MITSUTOSHI TAJIMA , SHOTA NORIMINE
IPC: H01M50/474 , H01M50/55 , H01M50/477
Abstract: A power storage device includes: a housing having a terminal arrangement part; a pair of output terminals provided in the terminal arrangement part; an electrode assembly housed in the housing; a pair of current collecting parts that electrically connect the electrode assembly and the pair of output terminals; and an insulating electrode assembly holder that has contact with a pair of first surfaces of the electrode assembly facing each other in first direction X in which the pair of current collecting parts are arranged, is fixed to the housing, and sandwiches the electrode assembly in first direction X.
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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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公开(公告)号：US20200251768A1
公开(公告)日：2020-08-06
申请号：US16638598
申请日：2018-09-07
Inventor： MITSUTOSHI TAJIMA
Abstract: A binding member includes a body part extending in stacking direction X of batteries, a supporting part extending in stacking direction X and projecting from the body part, the supporting part supporting a battery stack, and a plurality of pressing parts arranged to have a predetermined interval from the supporting part, the plurality of pressing parts being arranged in stacking direction X and projected from the body part to press the battery stack toward the supporting part. A first pressing part predetermined among the plurality of pressing parts provides a pressing force stronger than a pressing force provided by a second pressing part among the plurality of pressing parts, the second pressing part being closer to a fixing part fixing the battery stack and the binding member with respect to the first pressing part.
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公开(公告)号：US20200220131A1
公开(公告)日：2020-07-09
申请号：US16638583
申请日：2018-09-11
Inventor： MITSUTOSHI TAJIMA
IPC: H01M2/10
Abstract: A binding member includes a body part extending in stacking direction X of batteries, a supporting part extending in stacking direction X and projecting from the body part, the supporting part supporting a battery stack, and a plurality of pressing parts arranged to have a predetermined interval from the supporting part, the plurality of pressing parts being arranged in the stacking direction and projected from the body part to press the battery stack toward the supporting part. When the body part is divided into two regions that are a supporting part side region and a pressing part side region, a rigidity in the supporting part side region is smaller than a rigidity in the pressing part side region.
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