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。

    Method For Producing Positive Electrode Active Material For Lithium Ion Battery And Positive Electrode Active Material For Lithium Ion Battery
    3.
    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。

    Positive Electrode Active Material For Lithium Ion Battery
    5.
    发明申请
    Positive Electrode Active Material For Lithium Ion Battery 有权
    锂离子电池正极活性物质

    公开(公告)号:US20120034525A1

    公开(公告)日:2012-02-09

    申请号:US13258120

    申请日:2010-03-03

    摘要: Disclosed is a positive electrode active material that provides an improved capacity density. Specifically disclosed is a positive electrode active material for a lithium ion battery with a layered structure represented by Lix(NiyM1-y)Oz (wherein M represents at least one element selected from a group consisting of Mn, Co, Mg, Al, Ti, Cr, Fe, Cu, and Zr; x is in the range from 0.9 to 1.2; y is in the range from 0.3 to 0.95; and z is in the range from 1.8 to 2.4), wherein, when a value obtained by dividing an average of peak intensities observed between 1420 and 1450 cm−1 and between 1470 and 1500 cm−1 by the maximum intensity of a peak appearing between 520 and 620 cm−1 in an infrared absorption spectrum obtained by FT-IR is represented by A, A satisfies the following relational formula: 0.20y−0.05≦A≦0.53y−0.06.

    摘要翻译: 公开了提供改善的容量密度的正极活性材料。 具体公开了一种锂离子电池用正极活性物质,其具有由Lix(NiyM1-y)Oz表示的层状结构(其中M表示选自Mn,Co,Mg,Al,Ti, Cr,Fe,Cu和Zr; x在0.9至1.2的范围内; y在0.3至0.95的范围内; z在1.8至2.4的范围内),其中当通过将 通过FT-IR得到的红外吸收光谱中,在520〜620cm -1之间出现的峰的最大强度,在1420〜1450cm -1和1470〜1500cm -1之间观察到的峰强度平均值由A表示, A满足以下关系式:0.20y-0.05≦̸ A≦̸ 0.53y-0.06。

    Cathode Material for Lithium Secondary Battery and Manufacturing Method Thereof
    6.
    发明申请
    Cathode Material for Lithium Secondary Battery and Manufacturing Method Thereof 有权
    锂二次电池用阴极材料及其制造方法

    公开(公告)号:US20090121198A1

    公开(公告)日:2009-05-14

    申请号:US11718021

    申请日:2005-10-13

    IPC分类号: H01B1/08

    摘要: Provided is a cathode material for a lithium secondary battery composed of an aggregate of Li-A-O composite oxide particles (wherein A represents one or more metal elements selected from Mn, Fe, Co and Ni), wherein the lithium composite oxide contains 20 to 100 ppm (by mass) of P, and the total content of impurity elements excluding essential components is 2000 ppm or less. Also provided is a manufacturing method of such a cathode material for a lithium secondary battery including the steps of suspending lithium carbonate in water and thereafter introducing a metallic salt solution of one or more metal elements selected from Mn, Fe, Co and Ni in the lithium carbonate suspension, adding a small amount of phosphoric acid so that the P content in the Li-A-O composite oxide particles will be 20 to 100 ppm (by mass), and forming an aggregate of Li-A-O composite oxide particles containing 20 to 100 ppm (by mass) of P by filtering, cleansing, drying and thereafter oxidizing the obtained carbonate. This cathode material for a lithium secondary battery and its manufacturing method realize improved sinterability and battery characteristics.

    摘要翻译: 提供一种由Li-AO复合氧化物粒子(其中A表示一种或多种选自Mn,Fe,Co和Ni的金属元素)的聚集体构成的锂二次电池用阴极材料,其中锂复合氧化物含有20〜100 ppm(质量ppm),除了必要成分以外的杂质成分的总含量为2000ppm以下。 还提供了这种锂二次电池用正极材料的制造方法,其包括以下步骤:将碳酸锂悬浮在水中,然后将选自Mn,Fe,Co和Ni中的一种或多种金属元素的金属盐溶液引入锂 碳酸盐悬浮液,加入少量磷酸,使Li-AO复合氧化物粒子中的P含量为20〜100ppm(质量%),形成含有20〜100ppm的Li-AO复合氧化物粒子的集合体 通过过滤,清洗,干燥,然后氧化所得碳酸盐(质量)P。 该锂二次电池用正极材料及其制造方法实现了烧结性和电池特性的改善。

    Cathode Active Material For Lithium Ion Battery And Method For Producing The Same
    8.
    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。

    Positive Electrode Active Material For Lithium Ion Battery, Positive Electrode For Lithium Ion Battery, And Lithium Ion Battery
    9.
    发明申请
    Positive Electrode Active Material For Lithium Ion Battery, Positive Electrode For Lithium Ion Battery, And Lithium Ion Battery 有权
    锂离子电池正极活性物质,锂离子电池正极和锂离子电池

    公开(公告)号:US20120292562A1

    公开(公告)日:2012-11-22

    申请号:US13576548

    申请日:2011-02-04

    IPC分类号: H01M4/525

    摘要: The present invention provides a positive electrode active material for a lithium ion battery with excellent battery characteristics can be provided. The positive electrode active material for a lithium ion battery is represented by the following composition formula: LixNi1−yMyO2+α (in the formula, M represents at least one selected from Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Zn, Ga, Ge, Al, Bi, Sn, Mg, Ca, B, and Zr, 0.9≦x≦1.2, 0 0.1).

    摘要翻译: 本发明提供了具有优异的电池特性的锂离子电池用正极活性物质。 锂离子电池用正极活性物质由以下组成式表示:LixNi1-yMyO2 +α(式中,M表示选自Sc,Ti,V,Cr,Mn,Fe,Co,Cu中的至少一种 ,Zn,Ga,Ge,Al,Bi,Sn,Mg,Ca,B和Zr,0.9≦̸ x≦̸ 1.2,0 0.1)。

    Lithium-containing transition metal oxide target, process for producing the same and lithium ion thin film secondary battery
    10.
    发明授权
    Lithium-containing transition metal oxide target, process for producing the same and lithium ion thin film secondary battery 有权
    含锂过渡金属氧化物靶,其制造方法和锂离子薄膜二次电池

    公开(公告)号:US08062486B2

    公开(公告)日:2011-11-22

    申请号:US12297320

    申请日:2007-04-27

    IPC分类号: C23C14/00 C25B11/00

    摘要: Proposed are a lithium-containing transition metal oxide target formed from a sintered compact of lithium-containing transition metal oxides showing a hexagonal crystalline system in which the sintered compact has a relative density of 90% or higher and an average grain size of 1 μm or greater and 50 μm or less, and a lithium-containing transition metal oxide target formed from a sintered compact of lithium-containing transition metal oxides showing a hexagonal crystalline system in which the intensity ratio of the (003) face, (101) face and (104) face based on X-ray diffraction using CuKα ray satisfies the following conditions: (1) Peak intensity ratio of the (101) face in relation to the (003) face is 0.4 or higher and 1.1 or lower; and (2) Peak ratio of the (101) face in relation to the (104) face is 1.0 or higher. In addition to this lithium-containing transition metal oxide target optimal for forming a thin film positive electrode for use in a thin film battery such as a three-dimensional battery and a solid state battery, also proposed are its production method and a lithium ion thin film secondary battery. In particular, the present invention aims to propose a positive electrode target capable of obtaining a thin film with superior homogeneity.

    摘要翻译: 提出了由含有过渡金属氧化物的烧结体形成的含锂过渡金属氧化物靶,其表现出六方晶系,其中烧结体的相对密度为90%以上,平均粒径为1μm, 大于或等于50μm的含锂过渡金属氧化物靶和由(003)面,(101)面和第(101)面的强度比的六方晶系的含锂过渡金属氧化物的烧结体形成的含锂过渡金属氧化物靶 (101)面相对于(003)面的峰强度比为0.4以上且1.1以下;(1)相对于(003)面的(101)面的峰强度比为 和(2)(101)面相对于(104)面的峰值比为1.0以上。 除了用于形成用于诸如三维电池和固态电池的薄膜电池中的薄膜正极的最佳的含锂过渡金属氧化物靶之外,还提出了其制造方法和锂离子薄膜 薄膜二次电池。 特别地,本发明的目的在于提出能够获得均匀性优异的薄膜的正极靶。