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    GRAPHITIZED CARBON SUBSTRATE AND GAS DIFFUSION LAYER EMPLOYING SAME
    4.
    发明申请
    GRAPHITIZED CARBON SUBSTRATE AND GAS DIFFUSION LAYER EMPLOYING SAME 有权

    公开(公告)号：US20220077476A1

    公开(公告)日：2022-03-10

    申请号：US17416986

    申请日：2019-12-03

    申请人： JNTG Co., Ltd.

    发明人： Eun Sook Lee ,  Jy Young Jyoung ,  Na Hee Kang ,  Do Hun Kim ,  Tae Hyung Kim ,  Eun Chong Kim ,  Tae Nyun Kim

    IPC分类号： H01M8/0234 ,  H01M8/1004 ,  H01M8/0245

    摘要： A carbon substrate for a gas diffusion layer of a fuel cell, the carbon substrate being a porous carbon substrate having a first surface and a second surface opposite the first surface, the carbon substrate includes a plurality of carbon fibers arranged irregularly to form a non-woven type and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other, the carbide has a graphite structure, and the carbon substrate has a Bragg diffraction angle 2θ of less than 26.435° and a interplanar distance d(002) of less than 3.372 Å, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell. When the gas diffusion layer is manufactured using the carbon substrate according to the present disclosure, cell voltage characteristics of the fuel cell may be greatly improved.

    CARBON SUBSTRATE COMPRISING CARBON FIBERS UNIDIRECTIONALLY ALIGNED, AND GAS DIFFUSION LAYER EMPLOYING SAME
    5.
    发明申请
    CARBON SUBSTRATE COMPRISING CARBON FIBERS UNIDIRECTIONALLY ALIGNED, AND GAS DIFFUSION LAYER EMPLOYING SAME 有权

    公开(公告)号：US20220021007A1

    公开(公告)日：2022-01-20

    申请号：US17311625

    申请日：2019-12-02

    申请人： JNTG Co., Ltd.

    发明人： Eun Sook Lee ,  Jy Young Jyoung ,  Na Hee Kang ,  Do Hun Kim ,  Tae Hyung Kim ,  Eun Chong Kim ,  Tae Nyun Kim

    IPC分类号： H01M8/0234 ,  H01M4/86 ,  H01M8/0245 ,  H01M8/1004

    摘要： Disclosed are a carbon substrate for a gas diffusion layer of a fuel cell, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell, wherein the carbon substrate includes a plate-shaped substrate having an upper surface and a lower surface opposite the upper surface, and the plate-shaped substrate includes carbon fibers arranged to extend in one direction (extend unidirectionally) and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other. Since the carbon substrate according to the present disclosure includes carbon fibers aligned in at least one direction selected from a machine direction (MD) and a cross-machine direction (CMD) by controlling the alignment of carbon fibers, the carbon substrate has excellent mechanical strength, particularly, bending strength, even if its thickness is thin, and thus it is possible to effectively prevent the intrusion phenomenon of the gas diffusion layer into the flow path of the metal separator, and has excellent gas flow characteristics.

    Graphitized carbon substrate and gas diffusion layer employing same
    6.
    发明授权
    Graphitized carbon substrate and gas diffusion layer employing same 有权

    公开(公告)号：US12034188B2

    公开(公告)日：2024-07-09

    申请号：US17416986

    申请日：2019-12-03

    申请人： JNTG Co., Ltd.

    发明人： Eun Sook Lee ,  Jy Young Jyoung ,  Na Hee Kang ,  Do Hun Kim ,  Tae Hyung Kim ,  Eun Chong Kim ,  Tae Nyun Kim

    IPC分类号： H01M8/04 ,  H01M8/0234 ,  H01M8/0245 ,  H01M8/1004

    CPC分类号： H01M8/0234 ,  H01M8/0245 ,  H01M8/1004

    摘要： A carbon substrate for a gas diffusion layer of a fuel cell, the carbon substrate being a porous carbon substrate having a first surface and a second surface opposite the first surface, the carbon substrate includes a plurality of carbon fibers arranged irregularly to form a non-woven type and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other, the carbide has a graphite structure, and the carbon substrate has a Bragg diffraction angle 2θ of less than 26.435° and a interplanar distance d(002) of less than 3.372 Å, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell. When the gas diffusion layer is manufactured using the carbon substrate according to the present disclosure, cell voltage characteristics of the fuel cell may be greatly improved.

    Carbon substrate comprising carbon fibers unidirectionally aligned, and gas diffusion layer employing same
    8.
    发明授权
    Carbon substrate comprising carbon fibers unidirectionally aligned, and gas diffusion layer employing same 有权

    公开(公告)号：US12034187B2

    公开(公告)日：2024-07-09

    申请号：US17311625

    申请日：2019-12-02

    申请人： JNTG Co., Ltd.

    发明人： Eun Sook Lee ,  Jy Young Jyoung ,  Na Hee Kang ,  Do Hun Kim ,  Tae Hyung Kim ,  Eun Chong Kim ,  Tae Nyun Kim

    IPC分类号： H01M4/00 ,  H01M4/86 ,  H01M8/0234 ,  H01M8/0245 ,  H01M8/1004

    CPC分类号： H01M8/0234 ,  H01M4/861 ,  H01M4/8647 ,  H01M8/0245 ,  H01M8/1004

    摘要： Disclosed are a carbon substrate for a gas diffusion layer of a fuel cell, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell, wherein the carbon substrate includes a plate-shaped substrate having an upper surface and a lower surface opposite the upper surface, and the plate-shaped substrate includes carbon fibers arranged to extend in one direction (extend unidirectionally) and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other. Since the carbon substrate according to the present disclosure includes carbon fibers aligned in at least one direction selected from a machine direction (MD) and a cross-machine direction (CMD) by controlling the alignment of carbon fibers, the carbon substrate has excellent mechanical strength, particularly, bending strength, even if its thickness is thin, and thus it is possible to effectively prevent the intrusion phenomenon of the gas diffusion layer into the flow path of the metal separator, and has excellent gas flow characteristics.