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    FUEL CELL ASSEMBLY
    21.
    发明公开
    FUEL CELL ASSEMBLY 审中-公开

    公开(公告)号：US20230420701A1

    公开(公告)日：2023-12-28

    申请号：US18036757

    申请日：2021-11-16

    Applicant: POWERCELL SWEDEN AB

    Inventor： Mattias HOLMBERG,

    IPC: H01M8/0263 ,  H01M8/0267 ,  H01M8/0273 ,  H01M8/242

    CPC classification number: H01M8/0263 ,  H01M8/0267 ,  H01M8/0273 ,  H01M8/242

    Abstract: A fuel cell assembly includes at least a first flow field plate and a second flow field plate sandwiching a multilayer membrane electrode assembly, wherein the multilayer membrane electrode assembly comprises at least a 3-layer membrane electrode assembly including a first electrode facing the first flow field plate, a second electrode facing the second flow field plate and a membrane separating the electrodes, wherein each flow field plate has a flow field structure protruding from a base level of the flow field plate for distributing reactant over the respective electrode, and wherein further at least one sealing element is arranged between the first and the second flow field plate, which is adapted to prevent leakage of the reactants to an environment, wherein in a boundary area between the flow field structure and the sealing element of at least one of the flow field plates at least one bypass stopping element is arranged for avoiding the reactant bypassing the flow field structure, wherein the bypass stopping element protrudes from the respective base level of the flow field plate, wherein the at least one bypass stopping element has a pointed portion, which is adapted to compress the multilayer membrane electrode assembly, as well as a flow field plate for such a fuel cell assembly.

    MANUFACTURING ARRANGEMENT AND METHOD FOR A FUEL CELL STACK
    22.
    发明公开
    MANUFACTURING ARRANGEMENT AND METHOD FOR A FUEL CELL STACK 审中-公开

    公开(公告)号：US20230155156A1

    公开(公告)日：2023-05-18

    申请号：US17916830

    申请日：2021-05-06

    Applicant: Lars Gustaf ARELL ,  Johan FLINK ,  Thomas LYDHIG ,  POWERCELL SWEDEN AB

    Inventor： Lars Gustaf ARELL ,  Johan FLINK ,  Thomas LYDHIG

    IPC: H01M8/2483 ,  H01M8/1004 ,  H01M8/0297 ,  H01M8/2404 ,  H01M8/2418

    CPC classification number: H01M8/2483 ,  H01M8/1004 ,  H01M8/0297 ,  H01M8/2404 ,  H01M8/2418

    Abstract: A manufacturing arrangement for a fuel cell stack or at least a unit fuel cell of the fuel cell stack includes at least a pre-arrangement site for arranging a membrane electrode assembly and a bipolar plate in a predefined orientation to each other, wherein the bipolar plate has at least one opening and/or at least one specific contour, and wherein the membrane electrode assembly and the bipolar plate are oriented to each other in such a way that the membrane electrode assembly covers at least one opening in the bipolar plate and/or extends over the bipolar plate in at least one area; wherein the manufacturing arrangement further includes at least one cutting site with a cutting device which is adapted to cut the membrane electrode assembly in a predetermined area so that the membrane electrode assembly has a cut opening, which resembles the at least one opening of the bipolar plate, and/or at least one cut contour, which resembles the at least one contour of the bipolar plate, and/or at least one cut alignment structure for aligning the unit fuel cells in a fuel cell stack, as well as a corresponding manufacturing method.

    Electric connector for fuel cell stack
    24.
    发明授权
    Electric connector for fuel cell stack 有权

    公开(公告)号：US10950873B2

    公开(公告)日：2021-03-16

    申请号：US16563826

    申请日：2019-09-07

    Applicant: POWERCELL SWEDEN AB

    Inventor： Martin Berggren ,  Robert Gustavsson

    IPC: H01M8/0247 ,  H01M8/2404 ,  H01M8/02 ,  H01M8/0271 ,  H01M8/04 ,  H01M8/24 ,  H01M8/2465 ,  H01M50/502

    Abstract: Electric connector assembly for electrically contacting at least one bipolar plate of a fuel cell stack including at least a support structure and at least one contact pin, adapted to electrically contact the bipolar plate and is supported by the support structure, the support structure includes at least a rear face which is adapted to face the fuel cell stack, a front face being opposite to the read face, and first and second side faces, the rear face includes at least one bipolar plate housing slit which extends from the first side face to the second side face, adapted to accommodate at least two teeth extending from a support basis, separated by the intermediately arranged bipolar plate housing slit, the support structure further includes at least one contact pin accommodation opening having a size which is adapted to accommodate the contact pin.

    Catalytic burner arrangement
    25.
    发明授权
    Catalytic burner arrangement 有权

    公开(公告)号：US10593975B2

    公开(公告)日：2020-03-17

    申请号：US15528755

    申请日：2015-12-02

    Applicant: POWERCELL SWEDEN AB

    Inventor： Per Ekdunge ,  Federico Ghirelli ,  Ida Toftefors

    IPC: H01M8/0662 ,  C01B3/34 ,  F23C13/00 ,  F23D14/02 ,  F23D14/62 ,  H01M8/0612

    Abstract: A catalytic burner arrangement is provided including at least a catalytic burner unit with a housing having a reaction chamber in which a catalyst is arranged, wherein the catalyst is adapted to react a fuel, particularly a hydrogen containing fluid, with an oxidant, particularly air, for producing heat, the housing having a fluid inlet for supplying a fluid stream into the housing and a find outlet for exiting a fluid stream from the housing, and the catalytic burner arrangement further includes a mixing unit forming a mixing chamber in which fuel and oxidant are mixed, wherein the mixing device includes a fuel inlet, an oxidant inlet and an fuel-oxidant-mixture outlet, and wherein the fluid inlet of the catalytic burner unit merges with the fuel-oxidant-outlet of the mixing unit for transferring the fuel-oxidant-mixture from the mixing chamber to the reaction chamber of the catalytic burner unit wherein the fuel-oxidant-outlet of the mixing chamber is pipe-shaped and extents into the mixing chamber of the mixing unit, and wherein a length of the pipe-shaped fuel-oxidant-outlet extents over the oxidant inlet and/or the fuel inlet.

    ELECTRIC CONNECTOR FOR FUEL CELL STACK
    26.
    发明申请
    ELECTRIC CONNECTOR FOR FUEL CELL STACK 审中-公开

    公开(公告)号：US20180090771A1

    公开(公告)日：2018-03-29

    申请号：US15562431

    申请日：2016-03-17

    Applicant: POWERCELL SWEDEN AB

    Inventor： Martin BERGGREN ,  Robert GUSTAVSSON

    IPC: H01M8/0247 ,  H01M8/2465 ,  H01M8/0271 ,  H01M8/2404

    Abstract: Electric connector assembly for electrically contacting at least one bipolar plate of a fuel cell stack including at least a support structure and at least one contact pin, which is adapted to electrically contacting the bipolar plate and is supported by the support structure, wherein the support structure includes at least a rear face which is adapted to face the fuel cell stack, a front face being opposite to the rear face, and first and second side faces, wherein the rear face includes at least one bipolar plate housing slit which extends from the first side face to the second side face, and which is adapted to accommodate at least partly the bipolar plate, thereby defining a comb-shaped support structure with at least two teeth extend from a support basis, which are separated by the intermediately arranged bipolar plate housing slit, and wherein the support structure further includes at least one contact pin accommodation opening having a size which is adapted to accommodate the contact pin.

    CATALYTIC BURNER ARRANGEMENT
    28.
    发明申请
    CATALYTIC BURNER ARRANGEMENT 审中-公开

    公开(公告)号：US20170358810A1

    公开(公告)日：2017-12-14

    申请号：US15528755

    申请日：2015-12-02

    Applicant: POWERCELL SWEDEN AB

    Inventor： Per EKDUNGE ,  Federico GHIRELLI ,  Ida TOFTEFORS

    IPC: H01M8/0662 ,  F23D14/02 ,  F23D14/62 ,  F23C13/00 ,  C01B3/34 ,  H01M8/0612

    CPC classification number: H01M8/0662 ,  C01B3/34 ,  C01B2203/0205 ,  C01B2203/0233 ,  C01B2203/06 ,  C01B2203/066 ,  C01B2203/0822 ,  C01B2203/1235 ,  C01B2203/1288 ,  F23C13/00 ,  F23C2900/03002 ,  F23D14/02 ,  F23D14/62 ,  H01M8/0618

    Abstract: A catalytic burner arrangement is provided including at least a catalytic burner unit with a housing having a reaction chamber in which a catalyst is arranged, wherein the catalyst is adapted to react a fuel, particularly a hydrogen containing fluid, with an oxidant, particularly air, for producing heat, the housing having a fluid inlet for supplying a fluid stream into the housing and a find outlet for exiting a fluid stream from the housing, and the catalytic burner arrangement further includes a mixing unit forming a mixing chamber in which fuel and oxidant are mixed, wherein the mixing device includes a fuel inlet, an oxidant inlet and an fuel-oxidant-mixture outlet, and wherein the fluid inlet of the catalytic burner unit merges with the fuel-oxidant-outlet of the mixing unit for transferring the fuel-oxidant-mixture from the mixing chamber to the reaction chamber of the catalytic burner unit wherein the fuel-oxidant-outlet of the mixing chamber is pipe-shaped and extents into the mixing chamber of the mixing unit, and wherein a length of the pipe-shaped fuel-oxidant-outlet extents over the oxidant inlet and/or the fuel inlet.

    FLOW FIELD PLATE FOR A FUEL CELL
    30.
    发明申请
    FLOW FIELD PLATE FOR A FUEL CELL 有权
    用于燃料电池的流场板

    公开(公告)号：US20150380745A1

    公开(公告)日：2015-12-31

    申请号：US14410089

    申请日：2012-06-26

    Applicant: POWERCELL SWEDEN AB

    Inventor： Andreas BODÈN ,  Thomas TINGELÖF ,  Axel BAUMANN OFSTAD ,  Jan IHONEN ,  Anders TENSTAM

    IPC: H01M8/02 ,  H01M8/04

    CPC classification number: H01M8/0267 ,  H01M8/0258 ,  H01M8/04074 ,  H01M8/241 ,  H01M2008/1095

    Abstract: A flow field plate for a bipolar plate or bipolar plate assembly of a fuel cell or a fuel cell stack has an electrode facing front side, a backside and at least a cooling fluid manifold for supplying cooling fluid to the flow field plate. The backside includes a cooling fluid flow field for substantially uniformly distributing the cooling fluid over the flow field, plate. The flow field plate further includes a cooling fluid sub-manifold which is adapted to provide cooling fluid from the cooling fluid manifold to a cooling fluid flow field. The cooling fluid sub-manifold is fluidly disconnected from the cooling fluid flow field, a bipolar plate or bipolar plate assembly including a flow field plate, as well as a fuel cell or fuel cell stack including such a flow field plate and/or bipolar plate or such a bipolar plate assembly.

    Abstract translation: 用于燃料电池或燃料电池堆的双极板或双极板组件的流场板具有面向前侧的电极，背面和用于向流场板供应冷却流体的至少冷却流体歧管。 背面包括冷却流体流场，用于将冷却流体基本均匀地分布在流场，板上。 流场板还包括冷却流体副歧管，其适于将冷却流体从冷却流体歧管提供到冷却流体流场。 冷却流体子歧管与冷却流体流场流体地断开，包括流场板的双极板或双极板组件以及包括这种流场板和/或双极板的燃料电池或燃料电池堆 或这种双极板组件。

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