Cathode Active Material For Lithium Ion Battery And Method For Producing The Same
    3.
    发明申请
    Cathode Active Material For Lithium Ion Battery And Method For Producing The Same 审中-公开
    用于锂离子电池的阴极活性材料及其制造方法

    公开(公告)号:US20130175470A1

    公开(公告)日:2013-07-11

    申请号:US13822447

    申请日:2011-12-20

    IPC分类号: H01M4/131

    摘要: An object of the present invention is to reduce the time required for the calcination of a lithium metal salt complex to thereby provide a high-quality cathode active material for a lithium ion battery at low cost. The method for producing a cathode active material for a lithium ion battery comprises the steps of:preparing a lithium metal salt solution slurry containing a lithium salt and a metal salt containing an oxidizer or a metal salt containing ions having an oxygenation effect;drying the lithium metal salt solution slurry to obtain a powder of a lithium metal salt complex containing an oxidizer or a powder of a lithium metal salt complex containing a metal salt containing ions having an oxygenation effect; andcalcining the powder.

    摘要翻译: 本发明的目的是减少锂金属盐络合物的煅烧所需的时间,从而以低成本提供用于锂离子电池的高质量阴极活性材料。 制造锂离子电池用正极活性物质的方法包括以下步骤:制备含有锂盐和含有氧化剂的金属盐的锂金属盐溶液浆料或含有具有氧合作用的离子的金属盐; 干燥锂金属盐溶液浆液,得到含有氧化剂的锂金属盐络合物的粉末或含有具有氧合作用的离子的金属盐的锂金属盐络合物的粉末; 并煅烧粉末。

    Method For Producing Positive Electrode Active Material For Lithium Ion Battery And Positive Electrode Active Material For Lithium Ion Battery
    4.
    发明申请
    Method For Producing Positive Electrode Active Material For Lithium Ion Battery And Positive Electrode Active Material For Lithium Ion Battery 有权
    锂离子电池正极活性物质锂离子电池正极活性物质的制备方法

    公开(公告)号:US20120319037A1

    公开(公告)日:2012-12-20

    申请号:US13581423

    申请日:2011-08-24

    IPC分类号: H01M4/58

    摘要: The present invention provides a method for producing a positive electrode active material for lithium ion battery, having excellent tap density, at excellent production efficiency, and a positive electrode active material for lithium ion battery. The method for producing a positive electrode active material for lithium ion battery including a step of conducting a main firing after increasing mass percent of all metals in lithium-containing carbonate by 1% to 105% compared to the mass percent of all metals before a preliminary firing, by conducting the step of a preliminary firing to the lithium-containing carbonate, which is a precursor for positive electrode active material for lithium ion battery, with a rotary kiln.

    摘要翻译: 本发明提供一种锂离子电池用正极活性物质的制造方法,具有优良的振实密度,优异的生产效率和用于锂离子电池的正极活性物质。 本发明提供一种锂离子电池用正极活性物质的制造方法,其特征在于,在将含锂碳酸酯中的全部金属的质量百分比提高1%〜105%之前,进行主要烧成的步骤,与初期的所有金属质量% 通过对作为锂离子电池用正极活性物质的前驱体的含锂碳酸酯进行预焙烧的工序,进行烧成。

    LITHIUM-MANGANESE COMPOSITE OXIDES FOR LITHIUM ION BATTERY AND PROCESS FOR PREPARING SAME
    7.
    发明申请
    LITHIUM-MANGANESE COMPOSITE OXIDES FOR LITHIUM ION BATTERY AND PROCESS FOR PREPARING SAME 有权
    用于锂离子电池的锰 - 锰锰复合氧化物及其制备方法

    公开(公告)号:US20090289218A1

    公开(公告)日:2009-11-26

    申请号:US12310172

    申请日:2008-04-14

    IPC分类号: H01M4/50

    摘要: A lithium-manganese composite oxide for a lithium ion battery having a good cycle property at high-temperature and battery property of high capacity is provided.A spinel type lithium-manganese composite oxide for a lithium ion battery represented by a general formula: Li1+xMn2−yMyO4 (wherein M is one or more elements selected from Al, Mg, Si, Ca, Ti, Cu, Ba, W and Pb, and, −0.1≦x≦0.2, and 0.06≦y≦0.3), and when D10, D50 and D90 are defined as a particle size at which point the cumulative frequency of volume reaches 10%, 50% and 90% respectively, d10 is not less than 2 μm and not more than 5 μm, d50 is not less than 6 μm and not more than 9 μm, and d90 is not less than 12 μm and not more than 15 μm, and BET specific surface area thereof is greater than 1.0 m2/g and not more than 2.0 m2/g, and the tap density thereof is not less than 0.5 g/cm3 and less than 1.0 g/cm3.

    摘要翻译: 提供了一种锂离子电池的锂锰复合氧化物,其在高温下具有良好的循环性能和高容量的电池性能。 一种由通式Li1 + xMn2-yMyO4表示的锂离子电池用尖晶石型锂锰复合氧化物(其中M为选自Al,Mg,Si,Ca,Ti,Cu,Ba,W和 Pb,和,-0.1 <= x <= 0.2,0.06 <= y <= 0.3),当D10,D50和D90定义为粒径时累积体积的累积频率达到10%,50% 和90%,d10为2μm以上5μm以下,d50为6μm以上且9μm以下,d90为12μm以上15μm以下,BET为 其比表面积大于1.0m 2 / g且不大于2.0m 2 / g,振实密度不小于0.5g / cm 3且小于1.0g / cm 3。

    Positive Electrode Active Substance For Lithium Ion Batteries, Positive Electrode For Lithium Ion Batteries, And Lithium Ion Battery

    公开(公告)号:US20120319040A1

    公开(公告)日:2012-12-20

    申请号:US13582101

    申请日:2011-03-02

    IPC分类号: H01M4/525

    摘要: The present invention provides a positive electrode active material for lithium ion battery which has a high capacity and good rate characteristics can be provided. The positive electrode active material for lithium ion battery has a layer structure represented by the compositional formula: Lix(NiyM1-y)Oz (wherein M represents at least one type selected from the group consisting of Mn, Co, Al, Mg, Cr, Ti, Fe, Nb, Cu and Zr, x denotes a number from 0.9 to 1.2, y denotes a number from 0.80 to 0.90, and z denotes a number of 1.9 or more), wherein the coordinates of the lattice constant a and compositional ratio (Li/M) are within the region enclosed by four lines given by the equations: y=1.01, y=1.10, x=2.8748, and x=2.87731 on a graph in which the x-axis represents a lattice constant a and the y-axis represents a compositional ratio (Li/M) of Li to M, and the lattice constant c is 14.2 to 14.25.

    摘要翻译: 本发明提供一种锂离子电池用正极活性物质,其具有高容量且能提供良好的速率特性。 用于锂离子电池的正极活性物质具有由以下组成式表示的层结构:Lix(NiyM1-y)Oz(其中M表示选自Mn,Co,Al,Mg,Cr, Ti,Fe,Nb,Cu和Zr,x表示0.9〜1.2的数,y表示0.80〜0.90的数,z表示数为1.9以上),其中,晶格常数a和组成比 (Li / M)在由以下等式给出的四条线所包围的区域内:y = 1.01,y = 1.10,x = 2.8748,x = 2.87731,其中x轴表示晶格常数a, y轴表示Li与M的组成比(Li / M),晶格常数c为14.2〜14.25。