Electrodes comprising mixed active particles
    121.
    发明授权
    Electrodes comprising mixed active particles 有权
    包含混合活性颗粒的电极

    公开(公告)号:US07771628B2

    公开(公告)日:2010-08-10

    申请号:US11381602

    申请日:2006-05-04

    Abstract: Electrode active materials comprising two or more groups of particles having differing chemical compositions, wherein each group of particles comprises a material selected from: (a) materials of the formula A1 aM1 b(XY4)cZd; and (b) materials of the formula A2eM2fOg; and (c) materials of the formula A3hMniO4; wherein (i) A1, A2, and A3 are Li, Na, or K; (ii) M1and M3 comprise a transition metal; (iv) XY4 a phosphate or similar moiety; and (v) Z is OH, or halogen.

    Abstract translation: 包含两组或更多组具有不同化学组成的颗粒的电极活性材料,其中每组颗粒包括选自以下的材料:(a)式A1aM1b(XY4)cZd的材料; 和(b)式A2eM2fOg的材料; 和(c)式为A3hMniO4的材料; 其中(i)A1,A2和A3是Li,Na或K; (ii)M1和M3包含过渡金属; (iv)XY4磷酸酯或类似部分; 和(v)Z是OH或卤素。

    Lithium-based active materials and preparation thereof
    123.
    发明授权
    Lithium-based active materials and preparation thereof 有权
    锂基活性物质及其制备方法

    公开(公告)号:US07438992B2

    公开(公告)日:2008-10-21

    申请号:US11355584

    申请日:2006-02-16

    Abstract: The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode formed from the novel lithium-mixed metal materials. Methods for making the novel lithium-mixed metal materials and methods for using such lithium-mixed metal materials in electrochemical cells are also provided. The lithium-mixed metal materials comprise lithium and at least one other metal besides lithium. Preferred materials are lithium-mixed metal phosphates which contain lithium and two other metals besides lithium.

    Abstract translation: 本发明提供新的锂混合金属材料,其在电化学相互作用时释放锂离子,并且能够可逆地循环锂离子。 本发明提供一种可再充电锂电池,其包括由新型锂混合金属材料形成的电极。 还提供了制备新的锂复合金属材料的方法和在电化学电池中使用这种锂混合金属材料的方法。 锂混合金属材料除锂之外还包含锂和至少一种其它金属。 优选的材料是除了锂之外还含有锂和另外两种金属的锂混合金属磷酸盐。

    Methods of making transition metal compounds useful as cathode active materials
    124.
    发明授权
    Methods of making transition metal compounds useful as cathode active materials 有权
    制备用作阴极活性材料的过渡金属化合物的方法

    公开(公告)号:US07276218B2

    公开(公告)日:2007-10-02

    申请号:US10768471

    申请日:2004-01-29

    Abstract: A method for carrying out solid state reactions under reducing conditions is provided. Solid state reactants include at least one inorganic metal compound and a source of reducing carbon. The reaction may be carried out in a reducing atmosphere in the presence of reducing carbon. Reducing carbon may be supplied by elemental carbon, by an organic material, or by mixtures. The organic material is one that can form decomposition products containing carbon in a form capable of acting as a reductant. The reaction proceeds without significant covalent incorporation of organic material into the reaction product. In a preferred embodiment, the solid state reactants also include an alkali metal compound. The products of the method find use in lithium ion batteries as cathode active materials. Preferred active materials include lithium-transition metal phosphates and lithium-transition metal oxides. In a preferred embodiment, the reaction product contains carbon particles intimately mixed among crystals of the active materials.

    Abstract translation: 提供了一种在还原条件下进行固态反应的方法。 固态反应物包括至少一种无机金属化合物和还原性碳源。 反应可以在还原性碳存在下在还原气氛中进行。 还原碳可以由元素碳,有机材料或混合物来提供。 有机材料可以形成能够作为还原剂形式的含有碳的分解产物。 反应进行而没有将有机材料显着共价掺入反应产物中。 在优选的实施方案中,固态反应物还包括碱金属化合物。 该方法的产品可用于锂离子电池作为阴极活性材料。 优选的活性材料包括锂 - 过渡金属磷酸盐和锂 - 过渡金属氧化物。 在优选的实施方案中,反应产物含有在活性物质晶体之间密切混合的碳颗粒。

    Secondary battery electrode active materials and methods for making the same
    128.
    发明授权
    Secondary battery electrode active materials and methods for making the same 失效
    二次电池电极的活性物质及其制造方法

    公开(公告)号:US07008726B2

    公开(公告)日:2006-03-07

    申请号:US10763890

    申请日:2004-01-22

    CPC classification number: H01M10/0525 H01M4/136 H01M4/5825

    Abstract: The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to said first electrode, and an electrolyte material interposed there between. The first electrode comprises an electrode active material represented by the general nominal formula Aa[Mm,MIn,MIIo](XY4)dZe, wherein at least one of M, MI and MII is a redox active element, 0

    Abstract translation: 本发明提供了一种电化学电池,其包括第一电极和第二电极,第二电极是与所述第一电极对置的电极,以及介于其间的电解质材料。 第一电极包括由通式A表示的电极活性材料,其中M 1,M 2, 其中M,MI和MII中的至少一个是氧化还原活性元素,0(↓) 其中V(M)为M的价态,V(MI)为V(M)的化合价态,其中V(M)为 MI和V(MII)是MII的化合价态。

    Lithiated molybdenum oxide active materials
    130.
    发明授权
    Lithiated molybdenum oxide active materials 失效
    锂化钼氧化物活性物质

    公开(公告)号:US06908710B2

    公开(公告)日:2005-06-21

    申请号:US09974211

    申请日:2001-10-09

    Abstract: The invention provides lithiated molybdenum oxides useful as cathode (positive electrode) active materials in rechargeable batteries, especially in lithium ion rechargeable batteries. In one aspect, the invention provides lithiated molybdenum oxides, some of which can be represented by nominal formulas LixMoO2 where x ranges from 0.1 to 2, and Li4Mo3O8. The crystal structure of the lithiated molybdenum oxides of the invention is characterized as being in a hexagonal space group with unit cell dimensions in a determined range. In a preferred embodiment, the lithiated molybdenum oxides of the invention can be formulated with known materials to provide electrodes for electrochemical cells. The invention also provides rechargeable batteries made by combining one or more such electrochemical cells.

    Abstract translation: 本发明提供锂二氧化钼,其可用作可再充电电池中的阴极(正电极)活性材料,特别是在锂离子可再充电电池中。 在一个方面,本发明提供了锂化钼氧化物,其中一些可以由标称式Li x 2 MoO 2 2表示,其中x为0.1至2,Li 4 3 3 8。 本发明的锂化钼氧化物的晶体结构的特征在于具有确定范围的晶胞尺寸的六方空间组。 在优选的实施方案中,本发明的锂化钼氧化物可以用已知的材料配制以提供用于电化学电池的电极。 本发明还提供了通过组合一个或多个这样的电化学电池制造的可再充电电池。

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