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    REDOX FLOW BATTERY SYSTEM WITH ELECTROCHEMICAL RECOVERY CELL
    11.
    发明申请
    REDOX FLOW BATTERY SYSTEM WITH ELECTROCHEMICAL RECOVERY CELL 审中-公开

    公开(公告)号：US20200373597A1

    公开(公告)日：2020-11-26

    申请号：US16418120

    申请日：2019-05-21

    Applicant: United Technologies Corporation

    Inventor： Michael L. Perry ,  Robert Mason Darling ,  James D. Saraidaridis

    IPC: H01M8/0662 ,  H01M8/18

    Abstract: A redox flow battery system includes a redox flow battery that has a redox flow cell, and a supply/storage system external of the redox flow cell. The supply/storage system includes first and second electrolytes for circulation through the redox flow cell. At least the first electrolyte is an aqueous liquid electrolyte that has electrochemically active species with multiple, reversible oxidation states. There is a gas vent passage connected with the redox flow battery to receive water byproduct that evolves from side reaction of the first electrolyte. A bypass passage is connected with the supply/storage system to receive the aqueous electrolyte. An electrochemical recovery cell includes a first half-cell connected to the gas vent passage to receive as a reactant the water byproduct and a second half-cell connected to the bypass passage to receive as a reactant the first electrolyte.

    DISTRIBUTION OF ELECTROLYTES IN A FLOW BATTERY
    14.
    发明申请
    DISTRIBUTION OF ELECTROLYTES IN A FLOW BATTERY 有权
    电解液在流动电池中的分布

    公开(公告)号：US20160315339A1

    公开(公告)日：2016-10-27

    申请号：US15107499

    申请日：2013-12-23

    Applicant: UNITED TECHNOLOGIES CORPORATION

    Inventor： Robert Mason Darling ,  Andrew Smeltz ,  Sven Tobias Junker ,  Michael L. Perry

    IPC: H01M8/04276 ,  H01M8/20 ,  H01M8/04791 ,  H01M8/0432 ,  H01M8/0444 ,  H01M8/18 ,  H01M8/04186

    CPC classification number: H01M8/04276 ,  H01M8/04186 ,  H01M8/0432 ,  H01M8/0444 ,  H01M8/04791 ,  H01M8/188 ,  H01M8/20 ,  Y02E60/528

    Abstract: A method of determining a distribution of electrolytes in a flow battery includes providing a flow battery with a fixed amount of fluid electrolyte having a common electrochemically active specie, a portion of the fluid electrolyte serving as an anolyte and a remainder of the fluid electrolyte serving as a catholyte. An average oxidation state of the common electrochemically active specie is determined in the anolyte and the catholyte and, responsive to the determined average oxidation state, a molar ratio of the common electrochemically active specie between the anolyte and the catholyte is adjusted to increase an energy discharge capacity of the flow battery for the determined average oxidation state.

    Abstract translation: 确定流动电池中电解质分布的方法包括提供具有固定量的具有普通电化学活性物质的流体电解质的流动电池，流体电解质的一部分用作阳极电解液，其余的流体电解质用作 阴极电解液 在阳极电解液和阴极电解液中测定普通电化学活性物质的平均氧化态，并根据测定的平均氧化态，调节阳极电解液和阴极电解液之间的常用电化学活性物质的摩尔比，以增加能量放电 流动电池的容量用于确定的平均氧化态。

    ELECTROCHEMICAL DEVICE AND METHOD FOR CONTROLLING CORROSION
    15.
    发明申请
    ELECTROCHEMICAL DEVICE AND METHOD FOR CONTROLLING CORROSION 审中-公开
    电化学装置和控制腐蚀的方法

    公开(公告)号：US20150288011A1

    公开(公告)日：2015-10-08

    申请号：US14439679

    申请日：2012-11-09

    Applicant: United Technologies Corporation

    Inventor： Robert Mason Darling ,  Michael L. Perry

    IPC: H01M8/04 ,  H01M8/24 ,  H01M4/86

    CPC classification number: H01M8/188 ,  H01M4/8605 ,  H01M8/0258 ,  H01M8/0273 ,  H01M8/2483 ,  H01M8/2485 ,  Y02E60/528

    Abstract: An electrochemical device includes a plurality of electrode assemblies that define a plurality of electrochemically active areas. A non-electrically-conductive manifold includes a common manifold passage and a plurality of branch passages that extend, respectively, between the electrochemically active areas and the common manifold passage. Each of the branch passages includes a first region and a second region that differ in surface area.

    Abstract translation: 电化学装置包括限定多个电化学活性区域的多个电极组件。 非导电歧管包括公共歧管通道和分别在电化学活性区域和公共歧管通道之间延伸的多个分支通道。 每个分支通道包括表面积不同的第一区域和第二区域。

    Redox flow battery with electrolyte balancing and compatibility enabling features
    17.
    发明授权
    Redox flow battery with electrolyte balancing and compatibility enabling features 有权

    公开(公告)号：US11056698B2

    公开(公告)日：2021-07-06

    申请号：US16052727

    申请日：2018-08-02

    Applicant: United Technologies Corporation

    Inventor： Michael L. Perry

    IPC: H01M8/04186 ,  H01M8/18 ,  H01M8/2455 ,  H01M8/08 ,  H01M4/36 ,  H01M8/04082 ,  H01M8/04791

    Abstract: A redox flow battery includes first and second cells. Each cell has electrodes and a separator layer arranged between the electrodes. A first circulation loop is fluidly connected with the first electrode of the first cell. A polysulfide electrolyte solution has a pH 11.5 or greater and is contained in the first recirculation loop. A second circulation loop is fluidly connected with the second electrode of the second cell. An iron electrolyte solution has a pH 3 or less and is contained in the second circulation loop. A third circulation loop is fluidly connected with the second electrode of the first cell and the first electrode of the second cell. An intermediator electrolyte solution is contained in the third circulation loop. The cells are operable to undergo reversible reactions to store input electrical energy upon charging and discharge the stored electrical energy upon discharging.

    FLOW BATTERY WITH MANIFOLD PASSAGE THAT VARIES IN CROSS-SECTION
    20.
    发明申请
    FLOW BATTERY WITH MANIFOLD PASSAGE THAT VARIES IN CROSS-SECTION 审中-公开
    流通电池，具有通道的通道，通过交叉部分

    公开(公告)号：US20160133964A1

    公开(公告)日：2016-05-12

    申请号：US14897339

    申请日：2013-06-13

    Applicant: United Technologies Corporation

    Inventor： Robert Mason Darling ,  Michael L. Perry ,  Jinlei Ding ,  Craig R. Walker

    IPC: H01M8/04186 ,  H01M8/20 ,  H01M8/04082 ,  H01M8/18

    CPC classification number: H01M8/04186 ,  H01M8/04201 ,  H01M8/188 ,  H01M8/20 ,  Y02E60/528

    Abstract: A flow battery includes a cell stack that has electrochemically active cells and manifolds that define common manifold passages in fluid communication with the electrochemically active cells. A supply/storage system is external of the cell stack and includes at least one vessel fluidly connected with respective ones of the common manifold passages. Fluid electrolytes are in the supply/storage system. At least one of the fluid electrolytes is an ionic-conductive fluid. The manifolds extend in a length direction through the cell stack. The common manifold passages include a common manifold passage P that varies in cross-section along the length direction.

    Abstract translation: 流动电池包括具有电化学活性电池的电池堆和限定与电化学活性电池流体连通的公共歧管通道的歧管。 供应/存储系统在电池堆的外部，并且包括至少一个与各个公共歧管通道流体连接的容器。 流体电解质在供应/储存系统中。 流体电解质中的至少一种是离子导电流体。 歧管沿长度方向延伸通过电池堆。 公共歧管通道包括沿着长度方向的横截面变化的公共歧管通道P.

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