HIGH VOLTAGE-TYPE REDOX FLOW BATTERY COMPRISING SOC BALANCING DEVICE

    公开(公告)号:US20240113316A1

    公开(公告)日:2024-04-04

    申请号:US18265403

    申请日:2021-12-29

    摘要: The present invention relates to a high voltage-type redox flow battery comprising: a plurality of modules (1001, 1002, 1003, . . , 100n) which are serially connected; and a battery management system (BMS) for monitoring a state-of-charge (SOC) of each of the plurality of modules (1001, 1002, 1003, .., 100n), wherein each of the modules (1001) includes an SOC balancing device comprising a stack (10), a positive electrode electrolyte tank (30a), a positive electrode pump (20a) for providing a positive electrode electrolyte of the positive electrode electrolyte tank (30a) to the stack (10), a positive electrode inlet pipe (21a) connecting the positive electrode electrolyte pump (20a) to the stack (10), a positive electrode outlet pipe (11a) connecting the stack (10) to the positive electrode electrolyte tank (30a), a positive electrode tank outlet pipe (31a) connecting the positive electrode electrolyte tank (30a) to the positive electrode electrolyte pump (20a), a negative electrode electrolyte tank (30b), a negative electrode pump (20b) for providing a negative electrode electrolyte of the negative electrode electrolyte tank (30b) to the stack (10), a negative electrode inlet pipe (21b) connecting the negative electrode electrolyte pump (20b) to the stack (10), a negative electrode outlet pipe (11b) connecting the stack (10) to the negative electrode electrolyte tank (30b), and a negative electrode tank outlet pipe (31b) connecting the negative electrode electrolyte tank (30b) to the negative electrode electrolyte pump (20b).

    METHOD OF REMOVING PRECIPITATE OF REDOX FLOW BATTERY AND REDOX FLOW BATTERY INCLUDING THE SAME

    公开(公告)号:US20200161687A1

    公开(公告)日:2020-05-21

    申请号:US16356280

    申请日:2019-03-18

    申请人: H2, INC.

    IPC分类号: H01M8/18 H01M8/04186

    摘要: The present invention relates to a method for renmoving precipitate including: supplying anolyte stored in an anolyte tank to an anode inlet of a stuck through an anode inlet pipe; supplying the catholyte stored in a catholyte tank to a cathode inlet of the stack through an cathode inlet pipe; supplying the catholyte from the stack to the anolyte tank through an anode outlet pipe; and supplying the catholyte from the stack to the catholyte tank through an cathode outlet pipe, wherein in case of removing electrolyte precipitate in the cathode of the stack, the anolyte stored in the anolyte tank is supplied to the cathode inlet of the stack, the catholyte stored in the catholyte tank is supplied to the anode inlet of the stack, the anolyte discharged from a cathode outlet of the stack is supplied to the anolyte tank, and the catholyte discharged from an anode outlet of the stack is supplied to the catholyte tank.

    BIPOLAR PLATE-ELECTRODE ASSEMBLY USING THERMOPLASTIC RESIN AND MANUFACTURING METHOD THEREOF

    公开(公告)号:US20190173101A1

    公开(公告)日:2019-06-06

    申请号:US16308096

    申请日:2017-11-06

    申请人: H2, INC.

    摘要: Provided is a bipolar plate-electrode assembly used in a redox flow battery stack, in which a bipolar plate (140) is made of a thermoplastic resin, electrodes (170A, 170B) disposed on both sides of the bipolar plate are thermally compressed at a central portion of the bipolar plate so as to be permeated into the bipolar plate, the size of the bipolar plate is larger than that of the electrodes, and fiber mats (150A, 150B) are hot-pressed so as to be permeated in an periphery (141) the bipolar plate which is a larger area than the electrodes.

    UNIT CELL FOR REDOX FLOW BATTERY, FOR REDUCING PRESSURE DROP CAUSED BY ELECTROLYTE FLOW IN STACK

    公开(公告)号:US20190165385A1

    公开(公告)日:2019-05-30

    申请号:US16308107

    申请日:2016-08-05

    申请人: H2, INC.

    摘要: Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.

    MODULAR REDOX FLOW BATTERY
    6.
    发明申请

    公开(公告)号:US20220131171A1

    公开(公告)日:2022-04-28

    申请号:US17427259

    申请日:2019-05-03

    申请人: H2, INC.

    摘要: The present invention relates to a modular redox flow battery comprising a positive electrolyte tank, a negative electrolyte tank, a positive electrolyte, a negative electrolyte, a plurality of stacks, pipes, a positive electrolyte pump and a negative electrolyte pump, a battery management system (=BMS), and sensors, wherein the stacks and the BMS 500 are mounted on a stack frame 800, the positive electrolyte tank and the negative electrolyte tank are mounted on a tank frame 900, and the stack frame 800 and the tank frame 900 are combined.