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公开(公告)号：US20220069333A1
公开(公告)日：2022-03-03
申请号：US17389921
申请日：2021-07-30
Inventor： Satoshi HAMAOKA , Taku INOUE , Junichi IIDA , Ryuji OIDE , Satoshi MORIOKA , Motoyoshi OKUMURA
IPC: H01M10/04 , B60K1/04 , H01M4/02 , H01M50/183
Abstract: The power storage device includes a power storage module and a conductive plate. The power storage module includes an electrode laminate including current collectors stacked on each other in a first direction. At least one of the positive electrode terminal electrode, the negative electrode terminal electrode, and the bipolar electrode includes an active material layer including grooves arranged in a second direction orthogonal to the first direction, and the grooves extend in a third direction crossing the second direction. The conductive plate includes an outer surface including depressions depressed in the first direction and extending in the second direction, the current collector arranged at the stack end of the electrode laminate includes an exposed face in contact with the outer surface, the exposed surface includes protrusions overlapping the active material layer in the first direction, and the protrusions protrude in the first direction and extend in the third direction.
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公开(公告)号：US20170346050A1
公开(公告)日：2017-11-30
申请号：US15601268
申请日：2017-05-22
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Satoshi MORIOKA
CPC classification number: H01M2/105 , H01M2/025 , H01M2/1077 , H01M2/1083 , H01M2/1094 , H01M2/1205 , H01M2/1217 , H01M2/1241 , H01M2/206 , H01M10/0422 , H01M10/0486 , H01M10/52 , H01M2220/20
Abstract: An in-vehicle battery module includes a plurality of cylindrical battery cells, a battery cell holder, a protective case, a vent cover provided such that the battery cell holder is positioned between the protective case and the vent cover, the vent cover and the battery cell holder disposed such that a vent space in which gas discharged from an end face on a second-electrode side of the cylindrical battery cell flows is provided between the vent cover and the battery cell holder, at least one first-electrode bus bar, at least one second-electrode bus bar provided in the vent space, and a support member disposed partially in the vent space and the support member being configured to support the second-electrode bus bar from the vent cover side.
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公开(公告)号：US20240402256A1
公开(公告)日：2024-12-05
申请号：US18667482
申请日：2024-05-17
Applicant: YAZAKI CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA , KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Hirotaka HASEGAWA , Norihiro OGISHIMA , Shinichi YANAGIHARA , Hideki INOUE , Satoshi MORIOKA , Motoyoshi OKUMURA , Hiroyuki KAIYA , Hiromi UEDA , Shinpei MUNE , Naoto MORISAKU , Yutaro KAWABATA
IPC: G01R31/3835
Abstract: A voltage detection unit includes a voltage detection terminal having a first location being conductively connected to a detection target, a board-shaped housing having a terminal accommodating recess in which the voltage detection terminal is accommodated, a cover locked to the housing at a first temporary locking position where the first location of the voltage detection terminal accommodated in the terminal accommodating recess is not covered and a final locking position where the first location is covered, and an electric wire conductively connected to a second location of the voltage detection terminal and drawn out toward the outside of the housing. The housing includes a guide portion guiding the cover from the outside toward the first temporary locking position, and a first wall abutting on the cover when the cover is positioned at the first temporary locking position in a moving direction in which the cover is guided.
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公开(公告)号：US20220247023A1
公开(公告)日：2022-08-04
申请号：US17612787
申请日：2020-05-25
Inventor： Naoto MORISAKU , Hirokazu KOTAKE , Satoshi MORIOKA , Motoyoshi OKUMURA , Takuro KIKUCHI
IPC: H01M50/209 , H01M10/04 , H01M50/264
Abstract: A power storage device includes a module laminate including a plurality of power storage modules arranged in one direction; a pair of end plates respectively arranged at both ends of the module laminate in the one direction; a fastening bolt configured to fasten the pair of end plates together around the module laminate and apply a predetermined restraint load to the module laminate via the end plate; and a collar member including a through-hole allowing the fastening member to be inserted therethrough, the collar member being sandwiched by the pair of end plates around the module laminate. The through-hole of the collar member is eccentric with respect to a center axis of the collar member so as to approach a side where the module laminate is arranged.
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公开(公告)号：US20210234221A1
公开(公告)日：2021-07-29
申请号：US17147878
申请日：2021-01-13
Inventor： Satoshi HAMAOKA , Taku INOUE , Hiromi UEDA , Kojiro TAMARU , Satoshi MORIOKA , Motoyoshi OKUMURA
IPC: H01M50/186 , H01G11/10 , H01G11/26 , H01G2/08 , H01M50/209 , H01M50/317 , H01M10/28 , H01M10/0585 , H01M50/249 , H01M50/26 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6557
Abstract: A power storage device includes a plurality of power storage modules laminated, a conductive plate and a sealing member. The conductive plate and the sealing member are provided between the power storage modules adjacent to each other in a laminating direction of the power storage modules. The plurality of power storage modules each have an electrode laminate, an electrolytic solution, and a sealing body. The electrode laminate has electrode exposed portions exposed from the sealing body at one end and the other end in the laminating direction. Between the power storage modules adjacent to each other in the laminating direction, the conductive plate is disposed between the electrode exposed portions opposing each other to be in contact with the electrode exposed portions, and at least a portion between the sealing bodies opposing each other is filled with the sealing member.
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Patent Agency Ranking
公开(公告)号：US20240194998A1
公开(公告)日：2024-06-13
申请号：US18285081
申请日：2022-03-23
Inventor： Ryuji OIDE , Hiromi UEDA , Takeyuki KATO , Satoshi MORIOKA , Motoyoshi OKUMURA
IPC: H01M50/242 , H01G11/10 , H01G11/72 , H01M50/258 , H01M50/291 , H01M50/293 , H01M50/503
CPC classification number: H01M50/242 , H01G11/10 , H01G11/72 , H01M50/258 , H01M50/291 , H01M50/293 , H01M50/503
Abstract: A power storage device includes a power storage module, a current collector plate, an insulating plate, and a restraint plate. The insulating plate and the restraint plate have different coefficients of thermal expansion. The insulating plate has a facing surface facing the restraint plate, and a first protruding portion provided on the facing surface in a position spaced from a center of the facing surface. The restraint plate is provided with a first hole portion into which the first protruding portion is inserted. The first protruding portion is divided into a first protrusion and a second protrusion in a second direction. The first protrusion is disposed closer to the center of the facing surface in the second direction. The second protrusion is disposed closer to an outer edge of the facing surface in the second direction.
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公开(公告)号：US20220376351A1
公开(公告)日：2022-11-24
申请号：US17771050
申请日：2020-10-20
Applicant: AUTONETWORKS TECHNOLOGIES, LTD. , SUMITOMO WIRING SYSTEMS, LTD. , SUMITOMO ELECTRIC INDUSTRIES, LTD. , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Nobuyuki MATSUMURA , Hiroki SHIMODA , Motoyoshi OKUMURA , Takuro KIKUCHI , Satoshi MORIOKA , Daiki TERASHIMA
IPC: H01M50/296 , H01G11/22 , H01G11/78 , H01M50/209 , H01M50/548 , H01M50/553 , H01M50/503 , H01M50/298 , H01M50/574 , H01M50/588 , H01M50/591
Abstract: A power storage module includes power storage elements having electrode surfaces of positive electrode surfaces and negative electrode surfaces on front and back surfaces thereof, a conductive member electrically connected to the electrode surfaces of the power storage elements, and a wiring module electrically connected to the conductive member. The power storage elements are arranged in an arrangement direction such that the electrode surfaces of the power storage elements that are adjacent to each other are opposed to each other. The electrode surfaces of the power storage elements that are adjacent to each other are electrically connected by the conductive member that is disposed between the power storage elements that are adjacent to each other. The wiring module is disposed between the power storage elements that are adjacent to each other. The conductive member and the wiring module are disposed inside an outline of the power storage elements seen from the arrangement direction.
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公开(公告)号：US20220352567A1
公开(公告)日：2022-11-03
申请号：US17731929
申请日：2022-04-28
Applicant: YAZAKI CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA , KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Satoshi MORIOKA , Motoyoshi OKUMURA , Hiromi UEDA , Naoto MORISAKU , Yutaro OKAZAKI , Shinichi YANAGIHARA
IPC: H01M10/48 , H01M50/271 , H01M50/262
Abstract: A voltage detection unit includes a voltage detection terminal, a housing having an accommodating concave portion to accommodate the voltage detection terminal and a cover to be attached to the housing while covering the accommodating concave portion. The cover is locked to the housing at a temporary locking position at which the cover covers a part of the accommodating concave portion and at a final locking position at which the cover covers an entirety of the accommodating concave portion. The cover includes a main body portion including a locking portion, and a locking piece. The housing includes a locked portion to be locked to the locking portion, a locking hole to accommodate the locking piece and an extending portion formed by a part of an edge of the locking hole. The locking piece is accommodated in the locking hole when the cover is at the temporary locking position.
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公开(公告)号：US20220093956A1
公开(公告)日：2022-03-24
申请号：US17417908
申请日：2019-12-24
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Daiki TERASHIMA , Satoshi MORIOKA , Takuro KIKUCHI , Motoyoshi OKUMURA , Kojiro TAMARU , Hiromi UEDA , Satoshi HAMAOKA , Masahiro YAMADA
IPC: H01M10/04 , H01M10/30 , H01M10/613 , H01M10/6557 , H01M10/6563
Abstract: The power storage device includes power storage units arranged with a conductive plate interposed therebetween in the vertical direction, each of the power storage units includes an electrode stack including bipolar electrodes stacked with a separator interposed therebetween, and a sealing member provided around the electrode stack so as to seal a housing space formed between adjacent electrodes of the electrode stack. At least one of the power storage units is provided with an overhang member on an outer peripheral surface of the sealing member. The overhang member includes an inclined portion that extends from the outer peripheral surface of the sealing member toward the outside of the power storage unit and inclines downward as it leaves away from the outer peripheral surface of the sealing member, and a top portion formed at a lower end of the inclined portion.
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公开(公告)号：US20240405347A1
公开(公告)日：2024-12-05
申请号：US18662098
申请日：2024-05-13
Applicant: YAZAKI CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Norihiro OGISHIMA , Shinichi YANAGIHARA , Yutaro OKAZAKI , Ryosuke MURATA , Satoshi MORIOKA , Motoyoshi OKUMURA , Hiroyuki KAIYA , Hiromi UEDA , Shinpei MUNE , Naoto MORISAKU , Yutaro KAWABATA
IPC: H01M50/293 , H01M10/48 , H01M10/6555 , H01M50/291
Abstract: A first board-shaped member includes a conductive plate disposed between a plurality of stacked power storage modules, a battery stack plate including a board-shaped insulating housing having a fitting groove recessed in a side face of the board-shaped insulating housing so as to fit with a side edge of the conductive plate, a sealing material supply groove respectively provided in front and back faces of the insulating housing along an extension direction of the fitting groove, a through hole that communicates with the sealing material supply groove and the fitting groove, and a sealing material pre-filled into the fitting groove and extruded from the fitting groove to the front and back faces of the insulating housing through the through hole and the sealing material supply groove when the side edge of the conductive plate is fitted into the fitting groove.
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