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    VALVE DEVICE AND ASSEMBLED BATTERY
    11.
    发明申请
    VALVE DEVICE AND ASSEMBLED BATTERY 有权

    公开(公告)号：US20220077538A1

    公开(公告)日：2022-03-10

    申请号：US17417949

    申请日：2019-12-26

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Miho SASAKI

    IPC: H01M50/35 ,  H01M50/129 ,  H01M50/308

    Abstract: A valve device and an assembled battery according to which even if the valve device operates, deterioration of an outer layer of a storage body is unlikely to be accelerated. The valve device is attached to a first storage body that stores a battery. The valve device includes an attachment part, a valve device main body, and a gas passage part. The attachment part is attached to the first storage body. The valve device main body reduces pressure inside the first storage body in a case where the pressure increases due to gas produced inside the first storage body. The gas passage part is between the attachment part and the valve device main body, and allows gas that passes through the attachment part to pass through the valve device main body. The valve device main body is located outward of an outer periphery of the first storage body.

    EXTERIOR MATERIAL FOR ALL-SOLID-STATE BATTERY, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID-STATE BATTERY
    12.
    发明申请
    EXTERIOR MATERIAL FOR ALL-SOLID-STATE BATTERY, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID-STATE BATTERY 有权

    公开(公告)号：US20220069390A1

    公开(公告)日：2022-03-03

    申请号：US17424783

    申请日：2020-01-23

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Miho SASAKI

    IPC: H01M50/131 ,  H01M50/124 ,  H01M50/121 ,  H01M10/0562

    Abstract: An exterior material which is applied to an all-solid-state battery using a solid electrolyte containing a sulfide solid electrolyte material, the exterior material having a barrier layer in which deterioration is effectively suppressed even when the all-solid-state battery is constrained in a high-pressure state, wherein hydrogen sulfide generated inside the all-solid-state battery can be discharged to the outside. The exterior material for an all-solid-state battery is used for an all-solid-state battery including a sulfide solid electrolyte material, and is composed of a laminate having: at least a substrate layer; a barrier layer; a barrier layer protection film formed on the surface of the barrier layer; and a heat-fusible resin layer in this order from the outside, wherein the amount of hydrogen sulfide permeation through the resin constituting the heat-fusible resin layer is at least 1.0×10−8 cc·mm/cm2·sec·cmHg.

    EXTERIOR MATERIAL FOR ALL-SOLID-STATE BATTERY, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID-STATE BATTERY
    13.
    发明申请
    EXTERIOR MATERIAL FOR ALL-SOLID-STATE BATTERY, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID-STATE BATTERY 有权

    公开(公告)号：US20220069344A1

    公开(公告)日：2022-03-03

    申请号：US17424535

    申请日：2020-01-23

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Miho SASAKI

    IPC: H01M10/0562 ,  H01M50/129

    Abstract: An exterior material for an all-solid-state battery, wherein hydrogen sulfide generated inside the all-solid-state battery including a sulfide solid electrolyte material is effectively suppressed from leaking to the outside. The exterior material for an all-solid-state battery is used for an all-solid-state battery including a sulfide solid electrolyte material, and is composed of a laminate having: at least a substrate layer; a barrier layer; and a heat-fusible resin layer in this order from the outside, wherein the amount of hydrogen sulfide permeation through the resin constituting the heat-fusible resin layer is 1.0×10−9 cc·mm/cm2·sec·cmHg or less.

    BATTERY
    14.
    发明申请
    BATTERY 有权

    公开(公告)号：US20210257699A1

    公开(公告)日：2021-08-19

    申请号：US17059903

    申请日：2019-05-28

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Youichi MOCHIZUKI ,  Atsuko TAKAHAGI ,  Rikiya YAMASHITA ,  Miho SASAKI

    IPC: H01M50/325 ,  H01M50/124

    Abstract: A battery includes a battery element, housing body, and valve device. The housing body has a laminate including a base material, barrier, and heat-sealable resin layers. The valve device is in communication with the housing body inside. A joined edge portion in which the mutually facing heat-sealable resin layers are fused together is formed in a housing body peripheral edge portion. The valve device includes first and second portions. A valve mechanism reduces the housing body internal pressure if it is increased due to gas generated in the housing body is formed in the first portion. An air passage guides gas generated in the housing body toward the valve mechanism is formed in the second portion. The first portion is located on a joined edge portion edge outer side. At least a portion of the second portion is sandwiched between the heat-sealable resin layers in the joined edge portion.

    VALVE STRUCTURE AND POWER STORAGE DEVICE
    19.
    发明公开
    VALVE STRUCTURE AND POWER STORAGE DEVICE 审中-公开

    公开(公告)号：US20230282926A1

    公开(公告)日：2023-09-07

    申请号：US18016548

    申请日：2021-07-16

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Miho SASAKI

    IPC: H01M50/333

    CPC classification number: H01M50/333

    Abstract: A valve structure includes a passage communicating the inside of a container housing a power storage device element with outside, and a liquid reservoir part located inside the passage and storing a liquid through which gas generated by the power storage device element is permeable.

    POWER STORAGE DEVICE VALVE STRUCTURAL BODY
    20.
    发明申请
    POWER STORAGE DEVICE VALVE STRUCTURAL BODY 有权

    公开(公告)号：US20220216565A1

    公开(公告)日：2022-07-07

    申请号：US17604004

    申请日：2020-04-27

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Miho SASAKI

    IPC: H01M50/333 ,  H01M50/308 ,  H01M50/102

    Abstract: A valve structural body that is easy to attach to a container is for a power storage device, and includes a casing in which a passage through which gas generated inside of the container is discharged to the outside of the container is formed, and a valve mechanism that is accommodated in the casing and allows the gas to pass through the passage to the outside of the container via the passage if the internal pressure of the container has risen due to the gas generated inside of the container. The casing includes a first plane, and a second plane that is parallel to the first plane.

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