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    SOLID ELECTROLYTE MEMBRANE AND SOLID-STATE BATTERY COMPRISING SAME
    1.
    发明申请
    SOLID ELECTROLYTE MEMBRANE AND SOLID-STATE BATTERY COMPRISING SAME 有权

    公开(公告)号：US20220216570A1

    公开(公告)日：2022-07-07

    申请号：US17606545

    申请日：2020-04-28

    申请人： LG ENERGY SOLUTION, LTD.

    发明人： Jung-Pil LEE ,  Sung-Joong KANG ,  Eun-Bee KIM ,  Ji-Hoon RYU ,  Suk-Woo LEE

    IPC分类号： H01M50/451 ,  H01M10/0562 ,  H01M10/0565

    摘要： Provided is a solid electrolyte membrane for a solid-state battery, including at least two solid electrolyte layers and at least one volume-swelling layer, wherein the volume-swelling layer is disposed between the solid electrolyte layers. The solid electrolyte membrane includes (a) an ion conductive solid electrolyte material, and the volume-swelling layer includes (b) inorganic particles, wherein the inorganic particles form an alloy with lithium and include a metal, metal oxide or both. Thus, it is possible to provide a solid electrolyte membrane for a solid-state battery fundamentally prevented from a short-circuit by inhibiting growth of lithium dendrite.

    SOLID-LIQUID HYBRID ELECTROLYTE MEMBRANE, METHOD FOR MANUFACTURING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    3.
    发明申请
    SOLID-LIQUID HYBRID ELECTROLYTE MEMBRANE, METHOD FOR MANUFACTURING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME 有权

    公开(公告)号：US20220181687A1

    公开(公告)日：2022-06-09

    申请号：US17611089

    申请日：2020-11-18

    申请人： LG ENERGY SOLUTION, LTD.

    发明人： Jung-Pil LEE ,  Ji-Young KIM ,  Sung-Joong KANG

    IPC分类号： H01M10/0565 ,  H01M10/0525

    摘要： Disclosed are a solid-liquid hybrid electrolyte membrane including a plurality of solid polymer particles and a small amount of liquid electrolyte, wherein the solid polymer particles are packed, while being in contact with one another, and include a porous structure having a pore structure formed among the solid polymer particles, and the liquid electrolyte surrounds the inside of the pores of the porous structure, the portions in which the solid polymer particles are in surface contact with one another, or the surfaces of the solid polymer particles, and a method for manufacturing the same. It is possible to provide a solid-liquid hybrid electrolyte membrane, which can be deformed by external pressurization, by using no solid electrolyte. It is also possible to provide a solid-liquid hybrid electrolyte membrane showing low resistance by using no binder polymer. Meanwhile, the solid-liquid hybrid electrolyte membrane includes a small amount of liquid electrolyte, and thus can ensure improved ion conductivity as compared to the conventional solid electrolyte batteries.

    ELECTROLYTE MEMBRANE FOR ALL-SOLID-STATE BATTERY, AND ALL-SOLID-STATE BATTERY COMPRISING SAME
    8.
    发明申请
    ELECTROLYTE MEMBRANE FOR ALL-SOLID-STATE BATTERY, AND ALL-SOLID-STATE BATTERY COMPRISING SAME 有权

    公开(公告)号：US20220069415A1

    公开(公告)日：2022-03-03

    申请号：US17413213

    申请日：2020-05-11

    申请人： LG ENERGY SOLUTION, LTD.

    发明人： Jung-Pil LEE ,  Sung-Joong KANG

    IPC分类号： H01M50/446 ,  H01M10/0565

    摘要： In a solid electrolyte membrane according to the present disclosure, an ion conduction blocking layer is formed in the electrolyte membrane by a polymer material having low ionic conductivity by phase separation of polymer under the high temperature condition such as an increase in the internal temperature of a battery, to block the movement of lithium ions. The formed ion conduction blocking layer (hereinafter referred to as blocking layer) prevents thermal runaway and consequential explosions of the battery, thereby improving the heat resistance safety of the battery.

    SOLID ELECTROLYTE MEMBRANE, METHOD FOR MANUFACTURING SAME, AND METHOD FOR SELECTING SOLID ELECTROLYTE MEMBRANE
    9.
    发明申请
    SOLID ELECTROLYTE MEMBRANE, METHOD FOR MANUFACTURING SAME, AND METHOD FOR SELECTING SOLID ELECTROLYTE MEMBRANE 有权

    公开(公告)号：US20220013809A1

    公开(公告)日：2022-01-13

    申请号：US17295941

    申请日：2020-03-19

    申请人： LG ENERGY SOLUTION, LTD.

    发明人： Jung-Pil LEE ,  Eun-Bee KIM ,  Eun-Kyung MOK

    IPC分类号： H01M10/0565 ,  H01M10/058

    摘要： Methods for manufacturing a solid electrolyte membrane are provided, which allow visual determination of how much a porous sheet is filled with a solid electrolyte material, and thus can optimize selection of materials and manufacturing processes of a solid electrolyte membrane in a simple manner. The resulting solid electrolyte membrane can reduce the manufacturing cost and allow easy deformation, and thus can be processed with ease when it is applied to batteries having various shapes. Further, since the solid electrolyte membrane according to the present disclosure includes a composite of a porous polymer material, such as a nonwoven web, with a solid electrolyte material, it has excellent strength and allows formation of a thin film, and thus provides a battery with improved energy density advantageously.

    ELECTROLYTE MEMBRANE FOR ALL-SOLID STATE BATTERY AND ALL-SOLID STATE BATTERY INCLUDING THE SAME
    10.
    发明申请
    ELECTROLYTE MEMBRANE FOR ALL-SOLID STATE BATTERY AND ALL-SOLID STATE BATTERY INCLUDING THE SAME 有权

    公开(公告)号：US20220294001A1

    公开(公告)日：2022-09-15

    申请号：US17629928

    申请日：2020-09-11

    申请人： LG ENERGY SOLUTION, LTD.

    发明人： Jung-Pil LEE ,  Sung-Joong KANG

    IPC分类号： H01M10/056 ,  H01M10/0525

    摘要： The solid electrolyte membrane according to the present disclosure interrupts migration of lithium ions by the formation of an ion conduction-interrupting layer in the electrolyte membrane through the phase separation of polymers under a high-temperature condition, including an increase in the internal temperature of a battery. Since a battery is prevented from thermal runaway and explosion through the formation of the ‘ion conduction-interrupting layer’ (also referred to as ‘interrupting layer’), it is possible to improve the heat resistance and safety of the battery.