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公开(公告)号：US20250055061A1
公开(公告)日：2025-02-13
申请号：US18659031
申请日：2024-05-09
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Kazuhito KATO , Junta Takasu , Atsushi Yamanaka , Masato Ono , Satoshi Moriyama , Kosuke Suzuki , Kazuki Sugie , Kazuya Kumazawa
IPC: H01M10/654 , H01M10/04 , H01M10/613 , H01M10/6551 , H01M50/103
Abstract: An energy storage cell according to the present disclosure includes a wound electrode assembly and a cell case. The cell case includes an outer peripheral wall portion, a first end portion, a second end portion, and an inner peripheral wall portion. The first end portion has a first hole. The second end portion has a second hole. The inner peripheral wall portion extends from the first hole to the second hole. The inner peripheral wall portion is disposed inside the wound electrode assembly in a radial direction. A portion of the outer peripheral wall portion that is located next to the wound electrode assembly in the radial direction has a rectangular tubular outer shape. A portion of the inner peripheral wall portion that is located next to the wound electrode assembly in the radial direction has a rectangular tubular outer shape.
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公开(公告)号：US20250055013A1
公开(公告)日：2025-02-13
申请号：US18606985
申请日：2024-03-15
Applicant: LG ENERGY SOLUTION, LTD.
Inventor： Kyu Taek KANG , Min Su KIM , Jong Seok PARK , June Hee KIM , Min Kyu SIM , Jee Yeon KOH
Abstract: Systems and methods for manufacturing a battery are disclosed. One system may include: a first cutter configured to cut a first electrode sheet into a first electrode portion; a second cutter configured to cut a second electrode sheet into a second electrode portion having a second length; a winder configured to form an electrode assembly by winding the first electrode portion, the second electrode portion, a separator between the first electrode portion and the second electrode portion; and an identification information assigning device configured to assign identification information to the electrode assembly based on: a cut count value of the first electrode sheet and/or a cut count value of the second electrode sheet; and/or a position coordinate value of the first electrode sheet and/or a position coordinate value of the second electrode sheet.
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公开(公告)号：US20250054940A1
公开(公告)日：2025-02-13
申请号：US18791428
申请日：2024-08-01
Applicant: Prime Planet Energy & Solutions, Inc.
Inventor： Yoshikazu KAWAI
Abstract: A rolling apparatus includes a transportation device transporting an electrode sheet along a predefined transportation path; a pair of press rolls located on the transportation path and pressing an active material layer of the electrode sheet; and a correction roll located upstream or downstream with respect to the pair of press rolls. The correction roll includes at least one short-diameter portion each provided at a position corresponding to the active material layer in the width direction of the electrode sheet, and a plurality of long-diameter portions each having an outer diameter longer than an outer diameter of the short-diameter portion, non-formation portions of the electrode sheet being respectively wound along the plurality of long-diameter portions. The plurality of long-diameter portions includes a first long-diameter portion, and a second long-diameter portion, the outer diameter of which is longer than the outer diameter of the first long-diameter portion.
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公开(公告)号：US12224411B2
公开(公告)日：2025-02-11
申请号：US17626715
申请日：2020-10-06
Applicant: LG ENERGY SOLUTION, LTD.
Inventor： Soon Ju Choi , Eun Ju Lee
IPC: H01M10/48 , H01M10/04 , H01M10/42 , H01M10/615 , H01M10/66 , H01M50/431 , H01M50/46 , H01M50/497 , H01M10/0525 , H01M50/105
Abstract: The present invention relates to a method and system for evaluating insulation and lithium ion conductivity characteristics of a separator for an electrochemical device, in which insulation and lithium ion conductivity characteristics are evaluated while a separator-containing measurement object to be tested and an electrochemical device are made to face each other, and thus, the insulation and lithium ion conductivity characteristics of the separator can be evaluated by reflecting temperature and pressure changes and the like according to the actual operation state of the electrochemical device.
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公开(公告)号：US12224393B2
公开(公告)日：2025-02-11
申请号：US17883610
申请日：2022-08-09
Applicant: Prime Planet Energy & Solutions, Inc.
Inventor： Kazuya Ikeshita , Yoshiyuki Furukoji
IPC: H01M10/04 , H01M50/426 , H01M50/431 , H01M50/449
Abstract: A disclosed method of manufacturing a battery includes the steps of: (A) suction-attaching a first separator and a second separator to a winding core, with the first separator and the second separator being stacked on each other; and (B) winding the first separator and the separator around the winding core. Each of the first separator and the second separator includes a porous substrate layer made of resin, and at least one surface layer formed on at least one surface of the substrate layer.
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Patent Agency Ranking
公开(公告)号：US12224392B2
公开(公告)日：2025-02-11
申请号：US17877353
申请日：2022-07-29
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Kyoungheon Heo , Kwanseop Song , Jinho So
IPC: H01M10/04 , H01M50/417
Abstract: An electrode assembly includes: a plurality of positive electrodes and a plurality of negative electrodes, alternately and repeatedly stacked; a separator between the positive electrodes and the negative electrodes, respectively, to protrude from the positive electrodes and the negative electrodes and stacked such that surfaces at edges of the separator face each other; and a fixing member including an adhesive layer adhered to the surfaces of the separator.
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17.发明授权公开(公告)号：US12221008B2
公开(公告)日：2025-02-11
申请号：US17727881
申请日：2022-04-25
Applicant: BETA AIR, LLC
Inventor： Stuart Denson Schreiber , Peter Adam Gottlieb
Abstract: A system for state determination of a battery module configured for use in an electric vehicle. The system including a battery module including at least a battery cell, a sensor including a proximity sensor configured to detect a status datum corresponding to the battery module, a processor configured to receive the status datum from the sensor, generate a charge datum as a function of the status datum corresponding to the battery module, generate a health datum as a function of the status datum corresponding to the battery module, transmit the charge datum and the health datum, and a display configured to receive the charge datum and the health datum corresponding to the battery cell, and display the charge datum and the health datum corresponding to the battery cell.
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公开(公告)号：US20250046972A1
公开(公告)日：2025-02-06
申请号：US18925559
申请日：2024-10-24
Applicant: ZHUHAI COSMX BATTERY CO., LTD.
Inventor： Yongtao LIN , Jiageng XIONG , Jichun XIE
IPC: H01M50/588 , H01M10/04 , H01M10/6554 , H01M50/209 , H01M50/224 , H01M50/557 , H01M50/583
Abstract: A battery and an electronic device. The battery includes a battery cell, a housing, an insulating member and a connecting sheet, where the housing is provided with an accommodating cavity, and the battery cell is disposed in the accommodating cavity; a side wall of the housing is provided with a notch, the insulating member is mounted at the notch, and the insulating member is provided with a mounting hole; the connecting sheet is disposed on the insulating member and is provided with a protruding part, the protruding part penetrates through the mounting hole and extends to inside of the housing, and the protruding part is electrically connected with a tab assembly of the battery cell. The electronic device includes the battery. Capacity density of the battery is improved without changing the size of the battery.
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公开(公告)号：US20250046892A1
公开(公告)日：2025-02-06
申请号：US18691135
申请日：2022-10-26
Applicant: LG Energy Solution, Ltd.
Inventor： Tai Joon Seo , Lae Seo Park
Abstract: A method of manufacturing an electrode assembly by stacking two or more unit cells with a second separator interposed therebetween, the unit cells each having a positive electrode, a first separator, and a negative electrode that are sequentially stacked, the method includes: inspecting an aligned state of the positive and negative electrodes included in a lower unit cell disposed below the corresponding unit cell before the unit cell is stacked; and correcting a stacked position of the unit cell to be stacked when the inspection result indicates that the aligned state has a defect.
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公开(公告)号：US12218373B2
公开(公告)日：2025-02-04
申请号：US17151717
申请日：2021-01-19
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Nobuyuki Yamazaki
IPC: H01M50/289 , H01M10/04 , H01M50/209 , H01M50/244 , H01M50/293
Abstract: A battery module includes a box shaped housing case that is open at an upper side, a battery stack in which plural battery cells are stacked along a horizontal direction, and that is housed inside the housing case, and plural types of shim that are made of different materials and that are disposed between the battery stack and the housing case in a state in which the battery stack is pressed along the stacking direction of the battery cells.
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