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    REDOX FLOW BATTERY AND BATTERY SYSTEM
    4.
    发明申请
    REDOX FLOW BATTERY AND BATTERY SYSTEM 有权

    公开(公告)号：US20230062928A1

    公开(公告)日：2023-03-02

    申请号：US18045021

    申请日：2022-10-07

    Applicant: ESS TECH, INC.

    Inventor： Sean Casey ,  Craig Evans ,  Thiago Groberg ,  Yang Song

    IPC: H01M8/18 ,  H01M8/0438

    Abstract: A redox flow battery and battery system are provided. In one example, the redox flow battery includes a set of pressure plates having a first pressure plate at a first terminal end and a second pressure plate at a second terminal end, the second terminal end and the first terminal end positioned on opposing longitudinal sides of the redox flow battery. The redox flow battery further includes a first cell stack positioned longitudinally between the first pressure plate and the second pressure plate, each of the first and second pressure plates includes a plurality stacking detents on a first flange and a plurality of stacking protrusions on a second flange, and the first flange and the second flange arranged on opposing vertical sides of the redox flow battery.

    Electrode assembly for a redox flow battery
    5.
    发明授权
    Electrode assembly for a redox flow battery 有权

    公开(公告)号：US12255370B2

    公开(公告)日：2025-03-18

    申请号：US18296170

    申请日：2023-04-05

    Applicant: ESS TECH, INC.

    Inventor： Sean Casey ,  Craig Evans ,  Thiago Groberg ,  Yang Song

    IPC: H01M8/248 ,  H01M8/0247 ,  H01M8/18

    Abstract: Methods and systems are provided for a redox flow battery system. In one example, the redox flow battery system includes a cell stack compressed between terminal structures defining ends of the redox flow battery. The cell stack may be formed of a plurality of cells where each cell includes a deformable positive electrode in contact with a first face of a membrane separator and a negative electrode configured to be less compressible than the positive electrode and arranged at a second face of the membrane separator.

    SYSTEMS AND METHODS FOR ELECTRODE ASSEMBLY FOR REDOX FLOW BATTERY SYSTEM
    6.
    发明公开
    SYSTEMS AND METHODS FOR ELECTRODE ASSEMBLY FOR REDOX FLOW BATTERY SYSTEM 审中-公开

    公开(公告)号：US20240039026A1

    公开(公告)日：2024-02-01

    申请号：US18480359

    申请日：2023-10-03

    Applicant: ESS TECH, INC.

    Inventor： Thiago Groberg

    IPC: H01M8/18 ,  H01M8/2483 ,  H01M8/0438 ,  H01M8/1004

    CPC classification number: H01M8/188 ,  H01M8/2483 ,  H01M8/0438 ,  H01M8/1004

    Abstract: Systems and methods are provided for assembling and operating an electrode assembly for a redox flow battery system. In one example, the electrode assembly may include an inflatable housing in which a negative electrode spacer and a positive electrode may be positioned, wherein the inflatable housing may inflate responsive to applied internal pressure during operation of the redox flow battery system. In some examples, the electrode assembly may be assembled via roll-to-roll processing and may be mechanically and fluidically coupled to electrode assemblies of like configuration. In this way, tolerance stacking may be decreased, processing may be simplified, and costs may be reduced relative to molding-based processes for electrode assembly manufacturing.

    Redox flow battery and battery system
    7.
    发明授权
    Redox flow battery and battery system 有权

    公开(公告)号：US11710843B2

    公开(公告)日：2023-07-25

    申请号：US17308862

    申请日：2021-05-05

    Applicant: ESS Tech, Inc.

    Inventor： Craig E. Evans ,  Sean Casey ,  Thiago Groberg ,  Yang Song

    IPC: H01M8/18 ,  H01M8/2455

    CPC classification number: H01M8/188 ,  H01M8/2455

    Abstract: A redox flow battery and battery system are provided. In one example, the redox flow battery includes a cell stack assembly interposed by two endplates and comprising a plurality of mated membrane frame plates and bipolar frame plates forming, at a mated interface, a plurality of negative and positive flow channels configured to distribute negative and positive electrolyte into a plurality of bipolar plates. In the battery a membrane is coupled to each of the plurality of membrane frame plates and positioned sequentially between two of the bipolar plates included in the plurality of bipolar plates.

    Systems and methods for electrode assembly for redox flow battery system
    9.
    发明授权
    Systems and methods for electrode assembly for redox flow battery system 有权

    公开(公告)号：US11817609B2

    公开(公告)日：2023-11-14

    申请号：US17655492

    申请日：2022-03-18

    Applicant: ESS Tech, Inc.

    Inventor： Thiago Groberg

    IPC: H01M8/18 ,  H01M8/2483 ,  H01M8/0438 ,  H01M8/1004

    CPC classification number: H01M8/188 ,  H01M8/0438 ,  H01M8/1004 ,  H01M8/2483

    Abstract: Systems and methods are provided for assembling and operating an electrode assembly for a redox flow battery system. In one example, the electrode assembly may include an inflatable housing in which a negative electrode spacer and a positive electrode may be positioned, wherein the inflatable housing may inflate responsive to applied internal pressure during operation of the redox flow battery system. In some examples, the electrode assembly may be assembled via roll-to-roll processing and may be mechanically and fluidically coupled to electrode assemblies of like configuration. In this way, tolerance stacking may be decreased, processing may be simplified, and costs may be reduced relative to molding-based processes for electrode assembly manufacturing.

    REDOX FLOW BATTERY AND BATTERY SYSTEM
    10.
    发明申请
    REDOX FLOW BATTERY AND BATTERY SYSTEM 有权

    公开(公告)号：US20210359328A1

    公开(公告)日：2021-11-18

    申请号：US17308862

    申请日：2021-05-05

    Applicant: ESS Tech, Inc.

    Inventor： Craig E. Evans ,  Sean Casey ,  Thiago Groberg ,  Yang Song

    IPC: H01M8/18 ,  H01M8/2455

    Abstract: A redox flow battery and battery system are provided. In one example, the redox flow battery includes a cell stack assembly interposed by two endplates and comprising a plurality of mated membrane frame plates and bipolar frame plates forming, at a mated interface, a plurality of negative and positive flow channels configured to distribute negative and positive electrolyte into a plurality of bipolar plates. In the battery a membrane is coupled to each of the plurality of membrane frame plates and positioned sequentially between two of the bipolar plates included in the plurality of bipolar plates.

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