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    ENERGY STORAGE CELL
    1.
    发明申请
    ENERGY STORAGE CELL 有权

    公开(公告)号：US20250096440A1

    公开(公告)日：2025-03-20

    申请号：US18748686

    申请日：2024-06-20

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Kazuhito KATO ,  Junta TAKASU ,  Atsushi YAMANAKA ,  Masato ONO ,  Satoshi MORIYAMA ,  Kosuke SUZUKI ,  Kazuki SUGIE ,  Kazuya KUMAZAWA

    IPC: H01M50/586 ,  H01M10/04 ,  H01M10/658 ,  H01M50/107 ,  H01M50/583

    Abstract: In the energy storage cell according to the present disclosure, the first wound electrode assembly includes a first positive electrode and a first negative electrode. The second wound electrode assembly includes a second positive electrode and a second negative electrode. The second positive electrode is not in contact with the first positive electrode. The second negative electrode is not in contact with the first negative electrode. The second wound electrode assembly is formed by winding around the first wound electrode assembly on the outer peripheral side of the first wound electrode assembly. The positive electrode current collector member is electrically connected to both the first positive electrode and the second positive electrode. The negative electrode current collector member is electrically connected to both the first negative electrode and the second negative electrode.

    POWER STORAGE CELL
    3.
    发明申请
    POWER STORAGE CELL 有权

    公开(公告)号：US20240387855A1

    公开(公告)日：2024-11-21

    申请号：US18607681

    申请日：2024-03-18

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Kazuhito KATO ,  Junta TAKASU ,  Atsushi YAMANAKA ,  Masato ONO ,  Satoshi MORIYAMA ,  Kosuke SUZUKI ,  Kazuki SUGIE ,  Kazuya KUMAZAWA

    IPC: H01M10/04 ,  H01M4/04 ,  H01M50/531

    Abstract: A power storage cell includes: a wound electrode assembly which includes a positive plate (a first electrode) and a negative plate (a second electrode); and a case accommodating the wound electrode assembly. The positive plate includes: a positive current collector (a current collector); a positive electrode mixture layer (an electrode material) with which a portion of the positive current collector is coated; and a positive electrode tab lead (a tab lead). The positive current collector has an uncoated portion that is not coated with the positive electrode mixture layer. An overlapping portion is formed by folding the uncoated portion of the positive current collector in the radial direction of the wound electrode assembly. The positive electrode tab lead is disposed in the overlapping portion.

    MANUFACTURING METHOD OF ELECTRODE SHEET
    4.
    发明公开
    MANUFACTURING METHOD OF ELECTRODE SHEET 审中-公开

    公开(公告)号：US20240105906A1

    公开(公告)日：2024-03-28

    申请号：US18225362

    申请日：2023-07-24

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Satoshi MORIYAMA ,  Takenori IKEDA ,  Masashi YAMAKITA ,  Tetsuya MIMURA

    IPC: H01M4/04

    CPC classification number: H01M4/0435 ,  H01M2004/021

    Abstract: A manufacturing method of an electrode sheet comprising: a preparation step of preparing a wet granulated body containing an electrode material and a solvent, a film forming step of passing the wet granulated body through a gap between a first roll and a second roll having a solvent absorbing portion on an outer peripheral surface to form an electrode material layer on an outer peripheral surface of the second roll, and a transfer step of transferring the electrode material layer onto a substrate.

    WET PARTICLE STORAGE TANK
    5.
    发明申请
    WET PARTICLE STORAGE TANK 有权

    公开(公告)号：US20230134257A1

    公开(公告)日：2023-05-04

    申请号：US17901207

    申请日：2022-09-01

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Shugo DAIKUHARA ,  Takenori IKEDA ,  Satoshi MORIYAMA ,  Yuta KAWAMOTO ,  Keigo OYAIZU ,  Suguru NOMIMURA

    IPC: B65D88/66

    Abstract: A wet particle storage tank includes a tank body capable of storing wet particles containing particles and solvent. The tank body has an upper storage section having a supply port through which the wet particles are supplied, a lower storage section located below the upper storage section and having a discharge port through which the wet particles are discharged, and a bridge forming section provided between the upper storage section and the lower storage section. The bridge forming section facilitates formation of a bridge by the wet particles to block falling of the wet particles from the upper storage section to the lower storage section.

    POWER STORAGE CELL
    6.
    发明申请
    POWER STORAGE CELL 有权

    公开(公告)号：US20250079589A1

    公开(公告)日：2025-03-06

    申请号：US18613445

    申请日：2024-03-22

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Kazuhito KATO ,  Junta TAKASU ,  Atsushi YAMANAKA ,  Masato ONO ,  Satoshi MORIYAMA ,  Kosuke SUZUKI ,  Kazuki SUGIE ,  Kazuya KUMAZAWA

    IPC: H01M50/186 ,  H01M10/04 ,  H01M50/107 ,  H01M50/179 ,  H01M50/198 ,  H01M50/342

    Abstract: The power storage cell includes a wound electrode body, a case, an internal gasket (a seal member), a positive electrode terminal (an external terminal), and a positive electrode connecting portion (a connecting member). The case includes a peripheral wall portion, a lower lid (first lid portion), and an upper lid (second lid portion). The lower lid has an exhaust valve for exhausting the gas in the case. A through hole (second through hole) is formed in the upper lid (second lid). The positive electrode connecting portion includes a columnar portion extending in the Z direction so as to penetrate the through hole of the upper lid and the through hole (first through hole) of the inner gasket. The inner gasket is disposed so as to cover the through hole from the inside of the case.

    ELECTRODE MANUFACTURING METHOD
    8.
    发明公开
    ELECTRODE MANUFACTURING METHOD 审中-公开

    公开(公告)号：US20230178706A1

    公开(公告)日：2023-06-08

    申请号：US17953876

    申请日：2022-09-27

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Shugo DAIKUHARA ,  Takenori IKEDA ,  Satoshi MORIYAMA ,  Takeshi KONDO ,  Tomoyuki TASAKI ,  Tomokuni ABE

    IPC: H01M4/04

    CPC classification number: H01M4/0416

    Abstract: An electrode manufacturing method includes (a) preparing a first electrode including a first current collector and a first active material layer, (b) separating the first current collector and the first active material layer, (c) processing the first active material layer into wet particles, (d) shaping the wet particles into a second active material layer and (e) disposing the second active material layer on a surface of a second current collector, thereby manufacturing a second electrode. The first active material layer includes an active material and a binder. The second active material layer includes the active material and the binder.

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