FRAME BODY, CELL FRAME FOR REDOX FLOW BATTERY, AND REDOX FLOW BATTERY
    61.
    发明申请
    FRAME BODY, CELL FRAME FOR REDOX FLOW BATTERY, AND REDOX FLOW BATTERY 审中-公开
    框架体,红框流动电池的电池框架,以及REDOX流动电池

    公开(公告)号:US20170054161A1

    公开(公告)日:2017-02-23

    申请号:US15117630

    申请日:2015-08-20

    摘要: There is provided a frame body used for a cell of a redox flow battery, that can improve heat dissipation of an electrolyte in a slit and can suppress rise of the temperature of the electrolyte. It is a frame body used for a cell of a redox flow battery, comprising: an opening formed inside the frame body; a manifold allowing an electrolyte to pass therethrough; and a slit which connects the manifold and the opening and forms a channel of the electrolyte between the manifold and the opening, the slit having a pair of sidewalls facing each other in a cross section orthogonal to a direction in which the electrolyte flows, the slit having, at at least a portion thereof in the slit's depthwise direction, a width narrowing portion allowing the sidewalls to have a spacing narrowed in the depthwise direction.

    摘要翻译: 提供了一种用于氧化还原液流电池的电池的框架体,其可以改善狭缝中的电解质的散热并且可以抑制电解质的温度升高。 它是用于氧化还原液流电池的电池的框体,包括:形成在框体内的开口; 允许电解液通过的歧管; 以及狭缝,其连接歧管和开口,并在歧管和开口之间形成电解质的通道,所述狭缝具有在与电解质流动的方向垂直的横截面中彼此面对的一对侧壁,狭缝 在其狭缝的深度方向的至少一部分上具有允许侧壁具有在深度方向上变窄的间隔的宽度变窄部分。

    SEMI-SOLID ELECTRODES HAVING HIGH RATE CAPABILITY
    63.
    发明申请
    SEMI-SOLID ELECTRODES HAVING HIGH RATE CAPABILITY 有权
    具有高速能力的半固体电极

    公开(公告)号:US20170033390A1

    公开(公告)日:2017-02-02

    申请号:US15174172

    申请日:2016-06-06

    IPC分类号: H01M8/18 H01M8/20

    摘要: Embodiments described herein relate generally to electrochemical cells having high rate capability, and more particularly to devices, systems and methods of producing high capacity and high rate capability batteries having relatively thick semi-solid electrodes. In some embodiments, an electrochemical cell includes an anode, a semi-solid cathode that includes a suspension of an active material and a conductive material in a liquid electrolyte, and an ion permeable membrane disposed between the anode and the cathode. The semi-solid cathode has a thickness in the range of about 250 μm-2,500 μm, and the electrochemical cell has an area specific capacity of at least 5 mAh/cm2 at a C-rate of C/2.

    摘要翻译: 本文所述的实施方案一般涉及具有高速率能力的电化学电池,更具体地涉及生产具有相对较厚的半固体电极的高容量和高速率电池的装置,系统和方法。 在一些实施例中,电化学电池包括阳极,半固体阴极,其包括活性材料和导电材料在液体电解质中的悬浮液,以及设置在阳极和阴极之间的离子可渗透膜。 半固体阴极的厚度在约250μm-2,500μm的范围内,电化学电池的C / 2速率的面积比容量为至少5mAh / cm 2。

    AQUEOUS ALL-COPPER REDOX FLOW BATTERY
    64.
    发明申请
    AQUEOUS ALL-COPPER REDOX FLOW BATTERY 审中-公开
    AQUEOUS ALL-COPPER REDOX流动电池

    公开(公告)号:US20170033383A1

    公开(公告)日:2017-02-02

    申请号:US15125671

    申请日:2015-03-13

    摘要: The present disclosure relates to aqueous all-copper redox flow batteries. This battery comprises at least one first and second half-cell compartments including the first and second aqueous electrolyte solutions comprising a copper compound and supporting electrolytes and a first and second electrodes. The battery further comprises external storage tanks for the electrolytes residing outside of the half-cell compartments, and means for circulating the electrolytes to and from the half-cells. There is a separator between the first and the second half-cell, and the half-cells of this battery are configured to conduct oxidation and reduction reactions for charging and discharging the battery.

    摘要翻译: 本公开涉及全铜氧化还原液流电池。 该电池包括至少一个第一和第二半电池隔间,其包括包含铜化合物和支持电解质的第一和第二含水电解质溶液以及第一和第二电极。 电池还包括用于驻留在半电池室外部的电解质的外部储存罐,以及用于将电解质循环到半电池和从半电池室循环的装置。 在第一和第二半电池之间存在隔板,并且该电池的半电池被配置为进行用于对电池充电和放电的氧化和还原反应。

    Electrochemical energy storage systems and methods featuring large negative half-cell potentials
    65.
    发明授权
    Electrochemical energy storage systems and methods featuring large negative half-cell potentials 有权
    电化学储能系统和方法具有大的负半电池电位

    公开(公告)号:US09559374B2

    公开(公告)日:2017-01-31

    申请号:US13949486

    申请日:2013-07-24

    IPC分类号: H01M8/18 H01M8/20 H02J7/00

    摘要: The invention concerns flow batteries comprising: a first half-cell comprising: (i) a first aqueous electrolyte comprising a first redox active material; and a first carbon electrode in contact with the first aqueous electrolyte; (ii) a second half-cell comprising: a second aqueous electrolyte comprising a second redox active material; and a second carbon electrode in contact with the second aqueous electrolyte; and (iii) a separator disposed between the first half-cell and the second half-cell; the first half-cell having a half-cell potential equal to or more negative than about −0.3 V with respect to a reversible hydrogen electrode; and the first aqueous electrolyte having a pH in a range of from about 8 to about 13, wherein the flow battery is capable of operating or is operating at a current density at least about 25 mA/cm2.

    摘要翻译: 本发明涉及流动电池,包括:第一半电池,包括:(i)第一含水电解质,其包含第一氧化还原活性材料; 和与第一含水电解质接触的第一碳电极; (ii)第二半电池,包括:包含第二氧化还原活性材料的第二含水电解质; 和与第二含水电解质接触的第二碳电极; 和(iii)设置在第一半电池和第二半电池之间的隔板; 所述第一半电池相对于可逆氢电极具有等于或大于约-0.3V的半电池电位; 并且所述第一含水电解质的pH在约8至约13的范围内,其中所述流动电池能够以至少约25mA / cm 2的电流密度操作或正在其操作。

    Redox flow secondary battery
    69.
    发明授权
    Redox flow secondary battery 有权
    氧化还原液二次电池

    公开(公告)号:US09525178B2

    公开(公告)日:2016-12-20

    申请号:US14376701

    申请日:2013-01-31

    摘要: The present invention relates to a redox flow secondary battery. The redox flow secondary battery of the present invention comprises a unit cell including a pair of electrodes made of a porous metal, wherein the surface of the porous metal is coated with carbon. According to the present invention, a redox flow secondary battery using porous metal electrodes uniformly coated with carbon is provided, thus improving conductivity of the electrodes, and the electrodes have surfaces uniformly coated with a carbon layer having a wide specific surface area, thus improving reactivity. As a result, capacity of the redox flow secondary battery and energy efficiency can be improved and resistance of a cell can be effectively reduced. Further, the electrodes are uniformly coated with a carbon layer, thus also improving corrosion resistance.

    摘要翻译: 本发明涉及氧化还原液二次电池。 本发明的氧化还原液二次电池包括由多孔金属制成的一对电极的单电池,其中多孔金属的表面被碳覆盖。 根据本发明,提供了使用均​​匀涂覆有碳的多孔金属电极的氧化还原液二次电池,从而提高电极的导电性,并且电极具有均匀涂覆有比表面积宽的碳层的表面,从而提高反应性 。 结果,可以提高氧化还原液二次电池的容量和能量效率,并且可以有效地降低电池的电阻。 此外,电极均匀地涂覆有碳层,从而也提高耐腐蚀性。

    Method of Direct Electrochemical Oxidation For Modifying Carbon Felts of Flow Battery
    70.
    发明申请
    Method of Direct Electrochemical Oxidation For Modifying Carbon Felts of Flow Battery 审中-公开
    直接电化学氧化法改善流动电池碳粉的方法

    公开(公告)号:US20160359186A1

    公开(公告)日:2016-12-08

    申请号:US14732873

    申请日:2015-06-08

    IPC分类号: H01M8/18 H01M8/20

    CPC分类号: H01M8/188 H01M8/20 Y02E60/528

    摘要: A method of direct electrochemical oxidation is provided to modify carbon felts of a flow battery. Redox reactions are used for modification. Therein, voltage is directly conducted to the cell stack. The carbon felts of the cell stack are uniformly contacted with electrolytes for processing electrochemical reactions. As a result, modification is done to generate oxygen-containing functional groups (—COOH, —OH) on surfaces of the carbon felts. Thus, the present invention has the following advantages: Operation and procedure are easy and quick. Experimental parameters and conditions can be easily regulated and replaced without dismantling a device used for modification. The device used can withstand a wide range of voltage and current. Modification effect can be obtained with low cost yet without high-temperature treatments.

    摘要翻译: 提供直接电化学氧化的方法来改变流动电池的碳毡。 氧化还原反应用于修饰。 其中,电压直接传导到电池堆。 电池堆的碳毡与电解质均匀接触,用于加工电化学反应。 结果,进行修饰以在碳毡的表面上产生含氧官能团(-COOH,-OH)。 因此,本发明具有以下优点:操作和程序容易和快速。 实验参数和条件可以方便地进行调整和更换,而无需拆卸用于修改的设备。 所使用的器件可以承受宽范围的电压和电流。 可以以低成本获得改性效果,而不进行高温处理。