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公开(公告)号：US20210184301A1
公开(公告)日：2021-06-17
申请号：US16761649
申请日：2018-09-11
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Masahiro YAMADA , Kojiro TAMARU , Takafumi YAMASAKI , Takashi SAKAI , HIroki MAEDA , Naoto MORISAKU , Hiromi UEDA , Akihito TSUGE , Koji TSUKAMOTO
IPC: H01M50/184 , H01M50/193 , H01M10/0585 , H01M10/0525 , H01M10/34 , H01G11/80 , H01G11/12
Abstract: A method for manufacturing an electricity-storage module includes: preparing a stacked body and first sealing portions; processing an extension portion of one or more first sealing portions included in an outer edge portion in a stacking direction of the stacked body so that an extension portion length of the one or more of first sealing portions becomes shorter than a length of the extension portions of the first sealing portions which are not included in the outer edge portion; and forming a second sealing portion that is provided at the periphery of the first sealing portions when viewed from the stacking direction and covers at least parts of outer surfaces of the first sealing portions located at stacking ends of the stacked body in the stacking direction by injection molding in which a resin material is caused to circulate in a mold frame.
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公开(公告)号：US20200280029A1
公开(公告)日：2020-09-03
申请号：US16754528
申请日：2018-09-25
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Tomohiro NAKAMURA , Yuki CHUJO , Masahiro YAMADA , Takayuki HIROSE
Abstract: Please add the following new Abstract of the Disclosure: An electricity-storage module includes an electrode stacked body and a sealing body. A negative terminal electrode is disposed at one end of the electrode stacked body in a stacking direction such that a second surface is an inner side of the electrode stacked body. The sealing body includes first resin portions 21 which are joined to edge portions, and a second resin portion that is joined to the first resin portions 21 so as to surround the first resin portions from an outer side.
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公开(公告)号：US20220069395A1
公开(公告)日：2022-03-03
申请号：US17415299
申请日：2019-12-20
Inventor： Masahiro YAMADA , Hiromi UEDA , Satoshi MORIOKA , Motoyoshi OKUMURA , Takuro KIKUCHI
IPC: H01M50/184 , H01G11/12 , H01G11/80 , H01M50/209 , H01M50/186 , H01M50/176
Abstract: A power storage device includes a plurality of power storage modules laminated in a first direction via a conductive plate. A plurality of power storage modules include a plurality of laminates including each of the plurality of laminated electrodes, and a sealed body provided on each side surface of a plurality of laminates. The plurality of laminates are restrained in the first direction by a restraining member in a state of being laminated via the conductive plate. The sealed body includes a main body portion covering each side surface of the plurality of laminates, protruding portions protruding in the width direction intersecting the first direction with end portions of the main body portion as base ends, and at least one deformation suppressing portion protruding from the protruding portion in the first direction and forming a protruding shape.
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公开(公告)号：US20200373607A1
公开(公告)日：2020-11-26
申请号：US16970420
申请日：2018-09-18
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Yuki CHUJO , Takayuki HIROSE , Tomohiro NAKAMURA , Masahiro YAMADA
Abstract: Provided is an electricity-storage module including: a stacked body that includes electrodes which are stacked along a first direction; a sealing body that is provided to the stacked body so as to surround a peripheral edge portion of the electrodes, forms an inner space that stores an electrolytic solution between the electrodes adjacent to each other along the first direction, and seals the inner space; and a reinforcing body that is provided in the electrodes so as to suppress deformation of the electrodes. The electrodes include bipolar electrodes and a negative terminal electrode, the negative terminal electrode includes the electrode plate and a negative electrode provided on the second surface, and is disposed at one end of the stacked body in the first direction such that the second surface faces an inner side of the stacked body in the first direction.
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公开(公告)号：US20170288197A1
公开(公告)日：2017-10-05
申请号：US15511539
申请日：2015-05-27
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Masahiro YAMADA , Hiromi UEDA , Takayuki KATO , Naoto MORISAKU
CPC classification number: H01M2/202 , H01M2/06 , H01M2/1011 , H01M2/1016 , H01M2/1077 , H01M2/206 , H01M2/26 , H01M2/30 , H01M10/0525
Abstract: A battery module includes an array body in which a plurality of battery cells are arranged, a plurality of harnesses extending in an array direction of the battery cells in the array body and having connecting terminals of tips connected to electrode terminals of the predetermined battery cells, and a binding member configured to bind the plurality of harnesses in a harness bundle, wherein the harnesses branched off from the binding member have flexure between a position at which the harnesses are bound by the binding member and connecting positions of the electrode terminals and the connecting terminals.
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Patent Agency Ranking
公开(公告)号：US20200350525A1
公开(公告)日：2020-11-05
申请号：US16755012
申请日：2018-09-03
Inventor： Tomohiro NAKAMURA , Yuki CHUJO , Masahiro YAMADA , Takayuki HIROSE , Nobuyasu HAGA , Motoyoshi OKUMURA
Abstract: A power storage module includes an electrode laminate in which bipolar electrodes are laminated and a sealing body formed of a resin. The bipolar electrode includes an electrode plate, a positive electrode provided on one surface of the electrode plate, and a negative electrode provided on another surface of the electrode plate. The sealing body is provided on a side surface of the electrode laminate to surround an edge portion of the bipolar electrode. The sealing body includes a first resin portion and a second resin portion. The first resin portion is welded to the edge portion of the bipolar electrode. The second resin portion surrounds the first resin portion from an outer side along the side surface. A mold shrinkage factor of the first resin portion is lower than a mold shrinkage factor of the second resin portion.
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公开(公告)号：US20220094000A1
公开(公告)日：2022-03-24
申请号：US17421515
申请日：2020-03-10
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Kojiro TAMARU , Takashi SAKAI , Masahiro YAMADA , Sho KISHINE , Hiroki MAEDA
IPC: H01M50/186 , H01M10/0585 , H01G11/52 , H01G11/28 , H01G11/80
Abstract: In a power storage module, a side surface of an electrode laminate body has a welded layer where first sealing portions adjacent in a lamination direction are welded. A sealing body has: a side surface (opening wall) provided with a through hole communicating with an internal space; and side surfaces (non-opening walls) lacking the through hole. When viewed from the lamination direction, a width of the welded layer at the opening wall is smaller than a width of the welded layer at the non-opening wall.
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公开(公告)号：US20210020876A1
公开(公告)日：2021-01-21
申请号：US17043941
申请日：2019-04-04
Inventor： Tomohiro NAKAMURA , Yuki CHUJO , Masahiro YAMADA , Takayuki HIROSE , Nobuyasu HAGA , Motoyoshi OKUMURA , Takuro KIKUCHI
Abstract: A power storage module including: a stacked body that includes electrodes stacked along a first direction; a sealing body that includes a first sealing portion joined to an edge portion of each of the electrodes, forms an inner space between the electrodes adjacent to each other, and seals the inner space; and an electrolytic solution that is stored in the inner space and includes an alkali solution. The electrodes include bipolar electrodes, and a negative terminal electrode. The power storage module includes surplus spaces different from the inner space on a route of an alkali creep phenomenon in which the electrolytic solution reaches the outside from the inner space through the negative terminal electrode.
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公开(公告)号：US20180069219A1
公开(公告)日：2018-03-08
申请号：US15525191
申请日：2015-10-14
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Yuki CHUJO , Takayuki KATO , Hiromi UEDA , Naoto MORISAKU , Masahiro YAMADA
IPC: H01M2/10
CPC classification number: H01M2/1094 , H01M2/1016 , H01M2/1077
Abstract: A battery module is provided and includes an array body in which a plurality of battery cells are arrayed, an elastic member disposed on at least one side in an array direction of the array body, a pair of end plates holding the array body and the elastic member therebetween, a resin middle plate disposed between the array body and the elastic member, and a metal joining member joining the pair of the end plates each other, in which the middle plate is provided with a through hole through which the joining member is inserted, and a metal collar is inserted through the through hole.
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公开(公告)号：US20190097191A1
公开(公告)日：2019-03-28
申请号：US16083154
申请日：2016-11-08
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Masahiro YAMADA , Hiromi UEDA , Hirokuni AKIYAMA
Abstract: Provided is a battery module, which includes an array for battery cells; an elastic body disposed with respect to the array, a restraining member that restrains the array via the elastic body in an arranging direction of the battery cells, a plurality of harnesses that extend in the arranging direction and have connecting terminals of tips thereof connected to electrode terminals of the predetermined battery cells, and a binding member that binds the plurality of harnesses into a harness bundle. A binding position of the harnesses which is caused by the binding member is located at a side opposite to the elastic body relative to a connecting position between the electrode terminal and the connecting terminal, and the harness that branches off from the binding member has a flexure between the binding position and the connecting position.
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