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    Hybrid energy storage devices having sodium
    1.
    发明授权
    Hybrid energy storage devices having sodium 有权
    具有钠的混合储能装置

    公开(公告)号：US09252461B2

    公开(公告)日：2016-02-02

    申请号：US13948857

    申请日：2013-07-23

    Applicant: BATTELLE MEMORIAL INSTITUTE

    Inventor： Xiaochuan Lu ,  Jin Yong Kim ,  Guosheng Li ,  John P. Lemmon ,  Vincent L. Sprenkle

    IPC: H01M10/39

    CPC classification number: H01M10/3909 ,  H01M10/399

    Abstract: Sodium energy storage devices employing aspects of both ZEBRA batteries and traditional Na—S batteries can perform better than either battery alone. The hybrid energy storage devices described herein can include a sodium anode, a molten sodium salt catholyte, and a positive electrode that has active species containing sulfur. Additional active species can include a transition metal source and NaCl. As a product of the energy discharge process, Na2Sx forms in which x is less than three.

    Abstract translation: 采用ZEBRA电池和传统Na-S电池方面的钠能量储存装置可以比单独使用电池的性能更好。 本文所述的混合储能装置可包括钠阳极，熔融钠盐阴极电解液和具有含硫活性物质的正电极。 另外的活性物质可以包括过渡金属源和NaCl。 作为能量放电过程的产物，形成其中x小于3的Na 2 S x。

    Method of preparing graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes
    3.
    发明授权
    Method of preparing graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes 有权
    制备用于可再充电锂硫电池电极的石墨烯 - 硫磺纳米复合材料的方法

    公开(公告)号：US08999574B2

    公开(公告)日：2015-04-07

    申请号：US14225561

    申请日：2014-03-26

    Applicant: Battelle Memorial Institute

    Inventor： Jun Liu ,  John P. Lemmon ,  Zhenguo Yang ,  Yuliang Cao ,  Xiaolin Li

    IPC: H01M4/04 ,  B82Y30/00 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/58 ,  H01M4/62 ,  H01M10/052

    CPC classification number: H01M4/049 ,  B82Y30/00 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/5815 ,  H01M4/623 ,  H01M10/052 ,  Y02E60/122 ,  Y10S977/734 ,  Y10S977/773 ,  Y10S977/84

    Abstract: A method of preparing a graphene-sulfur nanocomposite for a cathode in a rechargeable lithium-sulfur battery comprising thermally expanding graphite oxide to yield graphene layers, mixing the graphene layers with a first solution comprising sulfur and carbon disulfide, evaporating the carbon disulfide to yield a solid nanocomposite, and grinding the solid nanocomposite to yield the graphene-sulfur nanocomposite. Rechargeable-lithium-sulfur batteries having a cathode that includes a graphene-sulfur nanocomposite can exhibit improved characteristics. The graphene-sulfur nanocomposite can be characterized by graphene sheets with particles of sulfur adsorbed to the graphene sheets. The sulfur particles have an average diameter of less than 50 nm.

    Abstract translation: 一种制备用于可再充电锂硫电池中的阴极的石墨烯 - 硫磺纳米复合材料的方法，包括热膨胀石墨烯氧化物以产生石墨烯层，将石墨烯层与包含硫和二硫化碳的第一溶液混合，蒸发二硫化碳，产生 固体纳米复合材料，研磨固体纳米复合材料，得到石墨烯 - 硫磺纳米复合材料。 具有包含石墨烯 - 硫磺纳米复合材料的阴极的可充电锂硫电池可以表现出改进的特性。 石墨烯 - 硫磺纳米复合材料可以用石墨烯片表征，其中硫的颗粒吸附到石墨烯片上。 硫颗粒的平均直径小于50nm。

    Hybrid Energy Storage Devices Having Sodium
    6.
    发明申请
    Hybrid Energy Storage Devices Having Sodium 有权
    具有钠的混合储能装置

    公开(公告)号：US20140023903A1

    公开(公告)日：2014-01-23

    申请号：US13948857

    申请日：2013-07-23

    Applicant: Battelle Memorial Institute

    Inventor： Xiaochuan Lu ,  Jin Yong Kim ,  Guosheng Li ,  John P. Lemmon ,  Vincent L. Sprenkle

    IPC: H01M10/39

    CPC classification number: H01M10/3909 ,  H01M10/399

    Abstract: Sodium energy storage devices employing aspects of both ZEBRA batteries and traditional Na—S batteries can perform better than either battery alone. The hybrid energy storage devices described herein can include a sodium anode, a molten sodium salt catholyte, and a positive electrode that has active species containing sulfur. Additional active species can include a transition metal source and NaCl. As a product of the energy discharge process, Na2Sx forms in which x is less than three.

    Abstract translation: 采用ZEBRA电池和传统Na-S电池方面的钠能量储存装置可以比单独使用的电池性能更好。 本文所述的混合储能装置可包括钠阳极，熔融钠盐阴极电解液和具有含硫活性物质的正电极。 另外的活性物质可以包括过渡金属源和NaCl。 作为能量放电过程的产物，形成其中x小于3的Na 2 S x。

    Intermediate Temperature Sodium Metal-Halide Energy Storage Devices
    7.
    发明申请
    Intermediate Temperature Sodium Metal-Halide Energy Storage Devices 审中-公开
    中温钠金属卤化物储能装置

    公开(公告)号：US20130196224A1

    公开(公告)日：2013-08-01

    申请号：US13752936

    申请日：2013-01-29

    Applicant: BATTELLE MEMORIAL INSTITUTE

    Inventor： Jin Yong Kim ,  Guosheng Li ,  Xiaochuan Lu ,  Vincent L. Sprenkle ,  John P. Lemmon ,  Zhenguo Yang ,  Christopher A. Coyle

    IPC: H01M10/0563

    CPC classification number: H01M10/0563 ,  C01F7/002 ,  C01P2006/40 ,  H01M10/399 ,  H01M2300/0048 ,  H01M2300/0057

    Abstract: Sodium metal-halide energy storage devices utilizing a substituting salt in its secondary electrolyte can operate at temperatures lower than conventional ZEBRA batteries while maintaining desirable performance and lifetime characteristics. According to one example, a sodium metal-halide energy storage device operates at a temperature less than or equal to 200° C. and has a liquid secondary electrolyte having MxNa1-yAlCl4-yHy, wherein M is a metal cation of a substituting salt, H is an anion of the substituting salt, y is a mole fraction of substituted Na and Cl, and x is a ratio of y over r, where r is the oxidation state of M. The melting temperature of the substituting salt is less than that of NaCl.

    Abstract translation: 在其二次电解质中使用取代盐的金属卤化物储能装置可以在比常规ZEBRA电池低的温度下工作，同时保持期望的性能和寿命特性。 根据一个实例，钠金属卤化物能量储存装置在小于或等于200℃的温度下工作，并具有具有MxNa1-yAlCl4-yHy的液体二次电解质，其中M是取代盐的金属阳离子， H是取代盐的阴离子，y是取代的Na和Cl的摩尔分数，x是y与r的比值，其中r是M的氧化态。取代盐的熔融温度小于 的NaCl。

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