Lithium/dissolved polysulfide rechargeable lithium—sulfur batteries and methods of making the same
    11.
    发明授权
    Lithium/dissolved polysulfide rechargeable lithium—sulfur batteries and methods of making the same 有权
    锂/溶解多硫化锂可充电锂硫电池及其制作方法

    公开(公告)号:US09444119B2

    公开(公告)日:2016-09-13

    申请号:US13793418

    申请日:2013-03-11

    摘要: In one embodiment, the present disclosure relates to a rechargeable Li—S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present disclosure relates to a charged or partially charged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of elemental sulfur, a catholyte including high-order polysulfides having a general formula of Li2Sn, wherein n is at least eight, and an anode. In another embodiment, the present disclosure relates to a discharged or partially discharged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of Li2S, a catholyte including a negligible amount of polysulfides, and an anode.

    摘要翻译: 在一个实施例中,本发明涉及一种可再充电Li-S电池,其包括含有碳质材料的阴极,包含多硫化物的阴极电解液和阳极。 在另一个实施方案中,本公开涉及一种带电或部分充电的可充电Li-S电池,其包括包含纤维状碳材料的阴极和元素硫的无定形微粒,包含具有通式Li 2 Sn的高级多硫化物的阴极电解液,其中n 至少有八个,还有一个阳极。 在另一个实施方案中,本发明涉及一种放电或部分放电的可再充电Li-S电池,其包括包含纤维状碳材料的阴极和Li2S的无定形微粒,包含可忽略量的多硫化物的阴极电解液和阳极。

    NANOCOMPOSITE ANODE MATERIALS FOR SODIUM-ION BATTERIES
    13.
    发明申请
    NANOCOMPOSITE ANODE MATERIALS FOR SODIUM-ION BATTERIES 有权
    用于钠离子电池的纳米复合阳极材料

    公开(公告)号:US20140308583A1

    公开(公告)日:2014-10-16

    申请号:US14253509

    申请日:2014-04-15

    摘要: The disclosure relates to an anode material for a sodium-ion battery having the general formula AOx—C or ACx—C, where A is aluminum (Al), magnesium (Mg), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), zirconium (Zr), molybdenum (Mo), tungsten (W), niobium (Nb), tantalum (Ta), silicon (Si), or any combinations thereof. The anode material also contains an electrochemically active nanoparticles within the matrix. The nanoparticle may react with sodium ion (Na+) when placed in the anode of a sodium-ion battery. In more specific embodiments, the anode material may have the general formula MySb-M′Ox—C, Sb-MOx—C, MySn-M′Cx—C, or Sn-MCx—C. The disclosure also relates to rechargeable sodium-ion batteries containing these materials and methods of making these materials.

    摘要翻译: 本发明涉及一种具有通式AOx-C或ACx-C的钠离子电池用负极材料,其中A为铝(Al),镁(Mg),钛(Ti),钒(V),铬( Cr),锰(Mn),铁(Fe),钴(Co),镍(Ni),锆(Zr),钼(Mo),钨(W),铌(Nb) Si)或其任何组合。 阳极材料还在基质内含有电化学活性纳米粒子。 放置在钠离子电池的阳极中时,纳米颗粒可与钠离子(Na +)反应。 在更具体的实施方案中,阳极材料可具有通式MySb-M'Ox-C,Sb-MOx-C,MySn-M'Cx-C或Sn-MCx-C。 本公开还涉及含有这些材料的可再充电钠离子电池和制造这些材料的方法。

    SULFUR-HYDROXYLATED GRAPHENE NANOCOMPOSITES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME
    14.
    发明申请
    SULFUR-HYDROXYLATED GRAPHENE NANOCOMPOSITES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME 审中-公开
    用于可充电的锂 - 硫电池的硫化羟基化石墨纳米复合材料及其制备方法

    公开(公告)号:US20140255795A1

    公开(公告)日:2014-09-11

    申请号:US14202715

    申请日:2014-03-10

    摘要: In one embodiment, the present disclosure provides a sulfur-hydroxylated graphene nanocomposite including at least one graphene sheet with a surface and a plurality of amorphous sulfur nanoparticles homogeneously distributed on the surface. The nanocomposite substantially lacks sulfur microparticles. In other embodiments, the disclosure provides a cathode and a battery containing the nanocomposite. In still another embodiment, the disclosure provides a method of making a sulfur-hydroxylated graphene nanocomposite by exposing a hydroxylated graphene to a sulfur-containing solution for a time sufficient to allow formation of homogeneously distributed sulfur nanoparticles on a surface of the hydroxylated graphene.

    摘要翻译: 在一个实施方案中,本公开提供了包含至少一个表面的至少一个石墨烯片和均匀分布在表面上的多个无定形硫纳米粒子的硫羟基化石墨烯纳米复合材料。 纳米复合材料基本上不含硫微粒。 在其他实施方案中,本公开提供了一种阴极和含有纳米复合材料的电池。 在另一个实施方案中,本公开提供了通过将羟基化石墨烯暴露于含硫溶液中足以允许在羟基化石墨烯的表面上形成均匀分布的硫纳米粒子的时间来制备硫羟基化石墨烯纳米复合材料的方法。

    SULFUR-CARBON COMPOSITE CATHODES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME
    15.
    发明申请
    SULFUR-CARBON COMPOSITE CATHODES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME 审中-公开
    用于可充电的锂硫电池的硫化碳复合阴极及其制造方法

    公开(公告)号:US20130164625A1

    公开(公告)日:2013-06-27

    申请号:US13335486

    申请日:2011-12-22

    摘要: This disclosure relates to a method of synthesizing a sulfur-carbon composite comprising forming an aqueous solution of a sulfur-based ion and carbon source, adding an acid to the aqueous solution such that the sulfur-based ion nucleates as sulfur upon the surface of the carbon source; and forming an electrically conductive network from the carbon source. The sulfur-carbon composite includes the electrically conductive network with nucleated sulfur. It also relates to a sulfur-carbon composite comprising a carbon-based material, configured such that the carbon-based material creates an electrically conductive network and a plurality of sulfur granules in electrical communication with the electrically conductive network, and configured such that the sulfur granules are reversibly reactive with alkali metal. It further relates to batteries comprising a cathode comprising such a carbon-based material along with an anode and an electrolyte.

    摘要翻译: 本公开涉及一种合成硫 - 碳复合材料的方法,包括形成硫基离子和碳源的水溶液,向该水溶液中加入酸,使得硫基离子在硫酸的表面上成硫 碳源 以及从碳源形成导电网络。 硫 - 碳复合物包括具有有核硫的导电网络。 它还涉及包含碳基材料的硫 - 碳复合材料,其构造成使得碳基材料形成导电网络和与导电网络电连通的多个硫颗粒,并且构造成使得硫 颗粒与碱金属可逆地反应。 它还涉及包含阴极的电池,包括这种碳基材料以及阳极和电解质。