HIGH ENERGY DENSITY REDOX FLOW DEVICE
    12.
    发明申请
    HIGH ENERGY DENSITY REDOX FLOW DEVICE 有权
    高能量密度回流流量装置

    公开(公告)号:US20140248521A1

    公开(公告)日:2014-09-04

    申请号:US14276723

    申请日:2014-05-13

    Abstract: Redox flow devices are described including a positive electrode current collector, a negative electrode current collector, and an ion-permeable membrane separating said positive and negative current collectors, positioned and arranged to define a positive electroactive zone and a negative electroactive zone; wherein at least one of said positive and negative electroactive zone comprises a flowable semi-solid composition comprising ion storage compound particles capable of taking up or releasing said ions during operation of the cell, and wherein the ion storage compound particles have a polydisperse size distribution in which the finest particles present in at least 5 vol % of the total volume, is at least a factor of 5 smaller than the largest particles present in at least 5 vol % of the total volume.

    Abstract translation: 描述了氧化还原流动装置,其包括正极集电器,负极集电器和分离所述正集电器和负极集电器的离子可渗透膜,所述正和负集电器被定位和布置以限定正电活性区和负电活性区; 其中所述正电活性区和负电活性区中的至少一个包含可流动的半固体组合物,其包含能够在电池操作期间吸收或释放所述离子的离子存储化合物颗粒,并且其中所述离子存储化合物颗粒具有多分散尺寸分布 其中最细颗粒以总体积的至少5体积%存在,至少比总体积的至少5体积%中存在的最大颗粒小5倍。

    ASYMMETRIC BATTERY HAVING A SEMI-SOLID CATHODE AND HIGH ENERGY DENSITY ANODE

    公开(公告)号:US20230085181A1

    公开(公告)日:2023-03-16

    申请号:US17840816

    申请日:2022-06-15

    Abstract: Embodiments described herein relate generally to devices, systems and methods of producing high energy density batteries having a semi-solid cathode that is thicker than the anode. An electrochemical cell can include a positive electrode current collector, a negative electrode current collector and an ion-permeable membrane disposed between the positive electrode current collector and the negative electrode current collector. The ion-permeable membrane is spaced a first distance from the positive electrode current collector and at least partially defines a positive electroactive zone. The ion-permeable membrane is spaced a second distance from the negative electrode current collector and at least partially defines a negative electroactive zone. The second distance is less than the first distance. A semi-solid cathode that includes a suspension of an active material and a conductive material in a non-aqueous liquid electrolyte is disposed in the positive electroactive zone, and an anode is disposed in the negative electroactive zone.

    ASYMMETRIC BATTERY HAVING A SEMI-SOLID CATHODE AND HIGH ENERGY DENSITY ANODE

    公开(公告)号:US20220021019A1

    公开(公告)日:2022-01-20

    申请号:US17182674

    申请日:2021-02-23

    Abstract: Embodiments described herein relate generally to devices, systems and methods of producing high energy density batteries having a semi-solid cathode that is thicker than the anode. An electrochemical cell can include a positive electrode current collector, a negative electrode current collector and an ion-permeable membrane disposed between the positive electrode current collector and the negative electrode current collector. The ion-permeable membrane is spaced a first distance from the positive electrode current collector and at least partially defines a positive electroactive zone. The ion-permeable membrane is spaced a second distance from the negative electrode current collector and at least partially defines a negative electroactive zone. The second distance is less than the first distance. A semi-solid cathode that includes a suspension of an active material and a conductive material in a non-aqueous liquid electrolyte is disposed in the positive electroactive zone, and an anode is disposed in the negative electroactive zone.

    SEMI-SOLID ELECTRODES HAVING HIGH RATE CAPABILITY
    18.
    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:US20170033389A1

    公开(公告)日:2017-02-02

    申请号:US15148048

    申请日:2016-05-06

    CPC classification number: H01M8/188 H01M4/382 H01M4/62 H01M8/20 H01M10/36

    Abstract: 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 and a semi-solid cathode. The semi-solid cathode includes a suspension of an active material of about 35% to about 75% by volume of an active material and about 0.5% to about 8% by volume of a conductive material in a non-aqueous liquid electrolyte. An ion-permeable membrane is disposed between the anode and the semi-solid cathode. The semi-solid cathode has a thickness of about 250 μm to about 2,000 μm, and the electrochemical cell has an area specific capacity of at least about 7 mAh/cm2 at a C-rate of C/4. In some embodiments, the semi-solid cathode slurry has a mixing index of at least about 0.9.

    Abstract translation: 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和半固体阴极。 半固体阴极包括活性材料的悬浮液,其活性物质的量为活性物质的约35体积%至约75体积%,非水电解液中的导电材料为约0.5体积%至约8体积%。 离子透过膜设置在阳极和半固体阴极之间。 半固体阴极具有约250μm至约2,000μm的厚度,并且电化学电池在C / 4速率下具有至少约7mAh / cm 2的面积比容量。 在一些实施方案中,半固体阴极浆料具有至少约0.9的混合指数。

    HIGH ENERGY DENSITY REDOX FLOW DEVICE
    19.
    发明申请
    HIGH ENERGY DENSITY REDOX FLOW DEVICE 审中-公开
    高能量密度回流流量装置

    公开(公告)号:US20160218375A1

    公开(公告)日:2016-07-28

    申请号:US14840810

    申请日:2015-08-31

    Abstract: Redox flow devices are described including a positive electrode current collector, a negative electrode current collector, and an ion-permeable membrane separating said positive and negative current collectors, positioned and arranged to define a positive electroactive zone and a negative electroactive zone; wherein at least one of said positive and negative electroactive zone comprises a flowable semi-solid composition comprising ion storage compound particles capable of taking up or releasing said ions during operation of the cell, and wherein the ion storage compound particles have a polydisperse size distribution in which the finest particles present in at least 5 vol % of the total volume, is at least a factor of 5 smaller than the largest particles present in at least 5 vol % of the total volume.

    Abstract translation: 描述了氧化还原流动装置,其包括正极集电器,负极集电器和分离所述正集电器和负极集电器的离子可渗透膜,所述正和负集电器被定位和布置以限定正电活性区和负电活性区; 其中所述正电活性区和负电活性区中的至少一个包含可流动的半固体组合物,其包含能够在电池操作期间吸收或释放所述离子的离子存储化合物颗粒,并且其中所述离子存储化合物颗粒具有多分散尺寸分布 其中最细颗粒以总体积的至少5体积%存在,至少比总体积的至少5体积%中存在的最大颗粒小5倍。

    SEMI-SOLID ELECTRODES HAVING HIGH RATE CAPABILITY

    公开(公告)号:US20200161688A1

    公开(公告)日:2020-05-21

    申请号:US16596450

    申请日:2019-10-08

    Abstract: 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 and a semi-solid cathode. The semi-solid cathode includes a suspension of an active material of about 35% to about 75% by volume of an active material and about 0.5% to about 8% by volume of a conductive material in a non-aqueous liquid electrolyte. An ion-permeable membrane is disposed between the anode and the semi-solid cathode. The semi-solid cathode has a thickness of about 250 μm to about 2,000 μm, and the electrochemical cell has an area specific capacity of at least about 7 mAh/cm2 at a C-rate of C/4. In some embodiments, the semi-solid cathode slurry has a mixing index of at least about 0.9.

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