利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

37 条记录 (耗时 0.034 秒)

    Process for producing positive electrode active material for lithium secondary battery
    3.
    发明申请
    Process for producing positive electrode active material for lithium secondary battery 有权
    锂二次电池用正极活性物质的制造方法

    公开(公告)号：US20050214645A1

    公开(公告)日：2005-09-29

    申请号：US11136493

    申请日：2005-05-25

    申请人： Kazushige Horichi ,  Manabu Suhara ,  Naoshi Saito ,  Megumi Uchida

    发明人： Kazushige Horichi ,  Manabu Suhara ,  Naoshi Saito ,  Megumi Uchida

    IPC分类号： C01B11/24 ,  C01G51/00 ,  C01G51/04 ,  H01M4/02 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/48 ,  H01M4/485 ,  H01M4/52 ,  H01M4/525 ,  H01M10/02 ,  H01M10/0525 ,  H01M10/36

    CPC分类号： H01M10/0525 ,  C01G51/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/485 ,  H01M4/525 ,  H01M2004/021

    摘要： To provide a process for producing a lithium-cobalt composite oxide for a positive electrode of a lithium secondary battery, which has a large volume capacity density, high safety, high charge and discharge cycle durability, high press density and high productivity. A process for producing a lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co, or an alkaline earth metal element, O.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1, and 0≦a≦0.02), characterized in that as a cobalt source, a mixture is used which comprises cobalt hydroxide in the form of substantially spherical secondary particles with an average particle size of from 8 to 20 μm formed by agglomeration of primary particles and tricobalt tetroxide in the form of secondary particles with an average particle size of from 2 to 10 μm formed by agglomeration of primary particles, in a cobalt atomic ratio of from 5:1 to 1:5, and firing is carried out at from 700 to 1,050° C.

    摘要翻译： 为了提供具有大容量密度，高安全性，高充放电循环耐久性，高压力密度和高生产率的锂二次电池正极用锂钴复合氧化物的制造方法。 一种由下式表示的锂 - 钴复合氧化物的制备方法：其中R 1，R 2，R 2， （其中M是除Co以外的过渡金属元素或碱土金属元素，O.9 <= p <= 1.1,0.980 <= x <=1.000,0≤y <= 0.02，1.9 <= z <= 2.1，x + y = 1，0 <= a <= 0.02），其特征在于，作为钴源，使用包含基本上为球形的氢氧化钴的混合物 平均粒度为8〜20μm的二次粒子是通过一次粒子和四氧化四铁的结合而形成的，该二次粒子是以原子粒子聚集形成的平均粒径为2〜10μm的二次粒子，以钴原子 比例为5：1至1：5，焙烧时间为700至1050℃。

    POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR LITHIUM SECONDARY BATTERY AND PROCESS FOR PRODUCING THE SAME
    7.
    发明申请
    POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR LITHIUM SECONDARY BATTERY AND PROCESS FOR PRODUCING THE SAME 失效
    用于锂二次电池的正极电极活性物质及其制造方法

    公开(公告)号：US20100294985A1

    公开(公告)日：2010-11-25

    申请号：US12849435

    申请日：2010-08-03

    申请人： Manabu Suhara ,  Naoshi Saito ,  Kazushige Horichi ,  Megumi Uchida

    发明人： Manabu Suhara ,  Naoshi Saito ,  Kazushige Horichi ,  Megumi Uchida

    IPC分类号： H01M4/525

    CPC分类号： H01M4/1315 ,  C01G51/006 ,  C01G51/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/45 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0565 ,  H01M2004/021

    摘要： A positive electrode active material for a lithium secondary battery containing a lithium-cobalt composite oxide, which has a large volume capacity density, has a high safety and is excellent in charge and discharge cyclic durability, and its production process, are provided.A lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co or an alkaline earth metal element, 0.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1 and 0≦a≦0.02) and comprising a mixture containing substantially spherical hard first particles of lithium-cobalt composite oxide having such a sharp particle size distribution that the volume basis cumulative size D10 is at least 50% of the average particle size D50, and the volume basis cumulative size D90 is at most 150% of the average particle size D50, and second particles of lithium-cobalt composite oxide filling the space among the first particles, in a mass ratio of first particles/second particles of from 1/2 to 9/1, and process for producing the same.

    摘要翻译： 提供了具有大体积容量密度的含有锂钴复合氧化物的锂二次电池用正极活性物质，其安全性高，充放电循环耐久性优异，其制造方法。 由式LipCoxMyOzFa表示的锂钴复合氧化物（其中M是除Co以外的过渡金属元素或碱土金属元素，0.9＆nlE; p＆nlE; 1.1,0.980＆nlE; x＆nlE; 1.000,0和nlE; y＆nlE; 0.02,1.9 并且包括含有基本上球形的硬质的第一第一颗粒的锂 - 钴复合氧化物的混合物，所述锂 - 钴复合氧化物具有这样的尖锐的粒度分布，其体积基础累积尺寸D10处于（例如，n + 1） 平均粒径D50的至少50％，体积基础累积尺寸D90为平均粒径D50的150％以下，以及以第一粒子的质量比填充第一粒子之间的空间的第二粒子的锂钴复合氧化物 的1/2至9/1的第一颗粒/第二颗粒及其制备方法。

    Positive electrode active material for lithium secondary battery and process for producing the same
    8.
    发明申请
    Positive electrode active material for lithium secondary battery and process for producing the same 审中-公开
    锂二次电池用正极活性物质及其制造方法

    公开(公告)号：US20060263690A1

    公开(公告)日：2006-11-23

    申请号：US10529289

    申请日：2003-09-25

    申请人： Manabu Suhara ,  Naoshi Saito ,  Kazushige Horichi ,  Megumi Uchida

    发明人： Manabu Suhara ,  Naoshi Saito ,  Kazushige Horichi ,  Megumi Uchida

    IPC分类号： H01M4/58 ,  H01M4/52

    CPC分类号： H01M4/1315 ,  C01G51/006 ,  C01G51/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/45 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0565 ,  H01M2004/021

    摘要： A positive electrode active material for a lithium secondary battery containing a lithium-cobalt composite oxide, which has a large volume capacity density, has a high safety and is excellent in charge and discharge cyclic durability, and its production process, are provided. A lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co or an alkaline earth metal element, 0.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1 and 0≦a≦0.02) and comprising a mixture containing substantially spherical hard first particles of lithium-cobalt composite oxide having such a sharp particle size distribution that the volume basis cumulative size D10 is at least 50% of the average particle size D50, and the volume basis cumulative size D90 is at most 150% of the average particle size D50, and second particles of lithium-cobalt composite oxide filling the space among the first particles, in a mass ratio of first particles/second particles of from 1/2 to 9/1, and process for producing the same.

    摘要翻译： 提供了具有大体积容量密度的含有锂钴复合氧化物的锂二次电池用正极活性物质，其安全性高，充放电循环耐久性优异，其制造方法。 由下式表示的锂钴复合氧化物：由下式表示的锂 - 钴复合氧化物： a（其中M是除Co或碱土金属元素以外的过渡金属元素，0.9 <= p <= 1.1,0.980 <= x <= 1.000,0 <= y <= 0.02,1.9 < z <= 2.1，x + y = 1，0 <= a <= 0.02），并且包括含有基本上球形的硬质的第一个具有如此尖锐的粒度分布的锂 - 钴复合氧化物颗粒的混合物的混合物，体积基础累积尺寸D10为 平均颗粒尺寸D50的至少50％，体积基础累积尺寸D90为平均粒径D50的至多150％，并且以质量计填充第一颗粒之间的空间的第二种锂 - 钴复合氧化物颗粒 第一颗粒/第二颗粒的​​比率为1/2至9/1，及其制备方法。