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    Fuel cell stack and bipolar plate assembly
    12.
    发明授权
    Fuel cell stack and bipolar plate assembly 有权

    公开(公告)号：US12278405B2

    公开(公告)日：2025-04-15

    申请号：US16489019

    申请日：2018-02-23

    Applicant: POWERCELL SWEDEN AB ,  Reinz-Dichtungs-GmbH

    Inventor： Johan Flink ,  Bernd Gaugler ,  Claudia Kunz

    IPC: H01M8/0297 ,  H01M8/0267 ,  H01M8/1004 ,  H01M8/2484

    Abstract: A bipolar plate assembly for a fuel cell or a fuel cell stack has at least a first flow field plate and a second flow field plate, wherein the first flow field plate and the second flow field plate are fastened on top of each other, wherein the bipolar plate assembly has a first area, in which an edge of the first flow field plate is flush with an edge of the second flow field plate, and has at least one second area, in which the edge of the first flow field plate is recessed from the edge of the second flow field plate. A fuel cell stack having such a bipolar plate assembly, as well as methods for manufacturing such a bipolar plate assembly or such a fuel cell stack are also provided.

    Fuel cell stack housing
    13.
    发明授权
    Fuel cell stack housing 有权

    公开(公告)号：US10749203B2

    公开(公告)日：2020-08-18

    申请号：US16062507

    申请日：2016-12-22

    Applicant: POWERCELL SWEDEN AB

    Inventor： Thomas Tingelöf

    IPC: H01M8/2475 ,  H01M8/248 ,  H01M8/0202 ,  H01M8/1004 ,  H01M8/1018

    Abstract: Fuel cell stack housing including at least a bottom section and a first and a second side wall, which are spaced apart by the bottom section, wherein the housing is adapted to house a fuel cell stack and includes at least one fastening element, which is engaged with the first and the second side wall, wherein at least the first side wall of the housing has a flat section and an arched section extending in direction of the second side wall, and wherein a maximum possible distance between the arched section and the bottom portion defines an inner height of the fuel cell stack housing, where in the inner height of the fuel cell stack housing is adjustable, as well as a fuel cell stack assembly including a fuel cell stack encased by such a housing.

    Catalytic burner arrangement
    15.
    发明授权
    Catalytic burner arrangement 有权

    公开(公告)号：US10593976B2

    公开(公告)日：2020-03-17

    申请号：US15528756

    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 including at least a catalytic burner unit with a housing having a reaction chamber in which a catalyst is arranged is provided 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 fluid 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 inlet of the mixing chamber is arranged upstream of the oxidant inlet of the mixing unit.

    FUEL CELL STACK AND BIPOLAR PLATE ASSEMBLY
    16.
    发明申请
    FUEL CELL STACK AND BIPOLAR PLATE ASSEMBLY 审中-公开

    公开(公告)号：US20200006791A1

    公开(公告)日：2020-01-02

    申请号：US16489019

    申请日：2018-02-23

    Applicant: Johan FINK ,  POWERCELL SWEDEN AB

    Inventor： Johan FINK

    IPC: H01M8/0297 ,  H01M8/1004 ,  H01M8/2484 ,  H01M8/0267

    Abstract: A bipolar plate assembly for a fuel cell or a fuel cell stack has at least a first flow field plate and a second flow field plate, wherein the first flow field plate and the second flow field plate are fastened on top of each other, wherein the bipolar plate assembly has a first area, in which an edge of the first flow field plate is flush with an edge of the second flow field plate, and has at least one second area, in which the edge of the first flow field plate is recessed from the edge of the second flow field plate. A fuel cell stack having such a bipolar plate assembly, as well as methods for manufacturing such a bipolar plate assembly or such a fuel cell stack are also provided.

    ELECTRIC CONNECTOR FOR FUEL CELL STACK
    17.
    发明申请
    ELECTRIC CONNECTOR FOR FUEL CELL STACK 审中-公开

    公开(公告)号：US20190393516A1

    公开(公告)日：2019-12-26

    申请号：US16563826

    申请日：2019-09-07

    Applicant: POWERCELL SWEDEN AB

    Inventor： Martin BERGGREN ,  Robert GUSTAVSSON

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

    Abstract: The present invention relates to a method for fastening an electrical connector assembly to a fuel cell stack arrangement with at least one fuel cell unit comprising at least one bipolar plate and at least one membrane electrode assembly, wherein the electric connector assembly comprises 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 comprises 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 comprises 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 comprises at least one contact pin accommodation opening having a size which is adapted to accommodate the contact pin, the method comprising the following steps:Arranging in each bipolar plate housing slit of the support structure at least partly a single bipolar plate; andPressing a contact pin into each contact pin accommodation openings, so that the contact pin protrudes into the slit and contacts the bipolar plate, thereby deforming the bipolar plate and fastening the bipolar plate in the bipolar plate housing slit and to the support structure.

    Manufacturing arrangement for a fuel cell stack and method for manufacturing a fuel cell stack
    19.
    发明授权
    Manufacturing arrangement for a fuel cell stack and method for manufacturing a fuel cell stack 有权

    公开(公告)号：US12212028B2

    公开(公告)日：2025-01-28

    申请号：US17251243

    申请日：2019-06-18

    Applicant: POWERCELL SWEDEN AB

    Inventor： Stefan Munthe

    IPC: H01M8/0247 ,  H01M8/0297 ,  H01M8/1004 ,  H01M8/2404 ,  H01M8/249 ,  H01M8/10

    Abstract: A manufacturing arrangement for a fuel cell stack includes at least a first alignment station having a first alignment structure for receiving a bipolar plate and a second alignment structure for arranging a membrane electrode assembly at one side of the bipolar plate, preferably on top of the bipolar plate, in a predefined orientation for aligning the bipolar plate and the membrane electrode assembly, whereby a pre-assembled fuel cell unit is provided; a fastening station for fastening the membrane electrode assembly to the bipolar plate, whereby an assembled fuel cell unit is provided; and a second alignment station having at least one third alignment structure for aligning the assembled fuel cell units for providing a fuel cell stack, as well as a method for manufacturing a fuel cell stack, and a fuel cell stack having been manufactured by such an arrangement and/or method.

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