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    LITHIUM-CONTAINING COMPOSITE OXIDE AND ITS PRODUCTION METHOD
    2.
    发明申请
    LITHIUM-CONTAINING COMPOSITE OXIDE AND ITS PRODUCTION METHOD 有权
    含锂的复合氧化物及其生产方法

    公开(公告)号：US20090258296A1

    公开(公告)日：2009-10-15

    申请号：US12486799

    申请日：2009-06-18

    申请人： Takeshi Kawasato ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi ,  Nozomi Honda

    发明人： Takeshi Kawasato ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi ,  Nozomi Honda

    IPC分类号： H01M4/32 ,  H01M4/52

    CPC分类号： H01M4/36 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/52 ,  C01P2004/32 ,  C01P2004/51 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/02 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021

    摘要： To provide a lithium/nickel/cobalt/manganese-containing composite oxide powder which has a high weight capacity density, a high packing property, an excellent cycle property, an excellent discharge rate property and an excellent safety, and which has little content of free alkalis and is free from gelation at a time of producing a slurry.A lithium/nickel/cobalt/manganese-containing composite oxide powder represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is at least one element selected from the group consisting of Al, Ge, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9≦p≦1.1, 0.2≦x≦0.5, 0.2≦y≦0.5, 0.1≦z≦0.4, 0≦q≦0.05, 1.9≦2-a≦2.1, p+x+y+z+q=2, and 0≦a≦0.02), characterized in that when the powder is classified into small particle size-classified particles with an average particle size of 2 μm≦D50≦8 μm and large particle size-classified particles with an average particle size of 10 μm≦D50≦25 μm, the ratio of (% by weight of the small particle size-classified particles)/(% by weight of the large particle size-classified particles) is from 15/85 to 40/60, the molar ratio (ps) of lithium to the total of nickel, cobalt, manganese and the M element contained in the small particle size-classified particles is smaller than the molar ratio (pl) of lithium to the total of nickel, cobalt, manganese and the M element contained in the large particle size-classified particles.

    摘要翻译： 为了提供具有高重量容量密度，高包装性，优异的循环性能，优异的排出速率特性和优异的安全性的锂/镍/钴/锰复合氧化物粉末，并且几乎没有游离的含量 碱，并且在制备浆料时不凝胶化。 由式LipNixCoyMnzMqO2-aFa（其中M为选自Al，Ge，Sn，碱土金属元素和过渡金属元素中的至少一种元素的锂/镍/钴/锰复合氧化物粉末） Co，Mn和Ni，0.9 <= p <= 1.1,0.2 <= x <= 0.5,0.2 <= y <= 0.5,0.1 <= z <= 0.4,0 <= q <= 0.05,1.9 <= 2 -a <= 2.1，p + x + y + z + q = 2，0 <= a <= 0.02），其特征在于，当粉末分为平均粒度为2的小颗粒尺寸分类颗粒 mum <= D50 <=8μm，平均粒径为10μm

    Lithium-nickel-cobalt-manganese containing composite oxide
    4.
    发明授权
    Lithium-nickel-cobalt-manganese containing composite oxide 有权
    含锂镍钴锰复合氧化物

    公开(公告)号：US07785742B2

    公开(公告)日：2010-08-31

    申请号：US12081801

    申请日：2008-04-22

    申请人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    发明人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    IPC分类号： H01M4/131 ,  H01M4/525 ,  C01G45/12 ,  C01G51/04 ,  C01G53/04

    CPC分类号： H01M4/505 ,  C01G45/1228 ,  C01G51/42 ,  C01G51/50 ,  C01G53/006 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/0435 ,  H01M4/525 ,  H01M10/052

    摘要： Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general formula, LipNixMn1-x-yCoyO2-qFq (where 0.98≦p≦1.07, 0.3≦x≦0.5, 0.1≦y≦0.38, and 0≦q≦0.05), which is a positive electrode active material for a lithium secondary cell having a wide usable voltage range, a charge-discharge cycle durability, a high capacity and high safety, is obtained by dry-blending coagulated particles of nickel-cobalt-manganese composite oxyhydroxide formed by making an oxidant to act on the coagulated particles with a lithium salt, and firing the mixture in an oxygen-containing atmosphere.

    摘要翻译： 通过使镍 - 钴 - 锰盐的水溶液，碱金属氢氧化物的水溶液和铵离子给体合成，其中一次粒子凝结形成二次粒子的镍 - 钴 - 氢氧化锰的凝结颗粒合成 在特定条件下反应; 和由通式LipNixMn1-x-yCoyO2-qFq（其中0.98和nlE; p＆nlE; 1.07,0.3和nlE; x和nlE; 0.5,0.1＆amp; nlE; y＆nlE; 0.38和...的锂 - 镍 - 钴 - 锰复合氧化物 0＆nlE; q＆nlE; 0.05），其是具有宽的可用电压范围，充放电循环耐久性，高容量和高安全性的锂二次电池的正极活性材料，其通过干式混合镍 - 钴 - 锰复合氢氧化物通过使氧化剂用锂盐作用于凝固的颗粒而形成，并在含氧气氛中烧结该混合物。

    Positive electrode active material powder for lithium secondary battery
    6.
    发明授权
    Positive electrode active material powder for lithium secondary battery 有权
    锂二次电池用正极活性物质粉末

    公开(公告)号：US07381498B2

    公开(公告)日：2008-06-03

    申请号：US11150451

    申请日：2005-06-13

    申请人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    发明人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    IPC分类号： H01M4/58 ,  H01M4/00 ,  H01M4/50 ,  H01M4/52

    CPC分类号： H01M4/505 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021

    摘要： To provide a lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability. A positive electrode active material powder for a lithium secondary battery characterized by comprising a first granular powder having a compression breaking strength of at least 50 MPa and a second granular powder having a compression breaking strength of less than 40 MPa, formed by agglomeration of many fine particles of a lithium composite oxide represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is a transition metal element other than Ni, Co and Mn, Al or an alkaline earth metal element, 0.9≦p≦1.1, 0.2≦x≦0.8, 0≦y≦0.4, 0≦z≦0.5, y+z>0, 0≦q≦0.05, 1.9≦2−a≦2.1, x+y+z+q=1 and 0≦a≦0.02) to have an average particle size D50 of from 3 to 15 μm, in a weight ratio of the first granular powder/the second granular powder being from 50/50 to 90/10.

    摘要翻译： 为了提供一种锂二次电池的正极用锂镍钴锰复合氧化物粉末，其具有大容量密度和高安全性，并且充放电循环耐久性优异。 一种锂二次电池用正极活性物质粉末，其特征在于，具有压缩断裂强度为50MPa以上的第一粒状粉末和压缩断裂强度小于40MPa的第二粒状粉末，其特征在于， 由下式表示的锂复合氧化物的颗粒：由下式表示的锂复合氧化物颗粒：Mn x Mn x Mn （其中M是不同于Ni，Co和Mn，Al或碱土金属元素的过渡金属元素，0.9 <= p <= 1.1,0.2 <= x <= 0.8,0 <= y <= 0.4,0 <= z <= 0.5，y + z> 0,0 <= q <= 0.05,1.9 <= 2- a = 1.1，x + y + z + q = 1，0 <= a <= 0.02），平均粒径D50为3〜15μm，第一粒状粉末/ 粉末为50/50至90/10。

    Positive electrode active material powder for lithium secondary battery
    7.
    发明申请
    Positive electrode active material powder for lithium secondary battery 审中-公开
    锂二次电池用正极活性物质粉末

    公开(公告)号：US20050220700A1

    公开(公告)日：2005-10-06

    申请号：US11133322

    申请日：2005-05-20

    申请人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    发明人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    IPC分类号： H01M4/02 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/36

    CPC分类号： H01M4/525 ,  H01M4/02 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0565 ,  H01M2004/021 ,  H01M2004/028

    摘要： A lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability, is presented. It is a lithium-nickel-cobalt-manganese composite oxide powder for a lithium secondary battery, represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is a transition metal element other than Ni, Co or Mn, or an alkaline earth metal element, 0.9≦p≦1.1, 0.2≦x≦0.5, 0.1≦y≦0.4, 0.2≦z≦0.5, 0≦q≦0.05, 1.9≦2-a≦2.1, x+y+z+q=1, and 0≦a≦0.02). The lithium-nickel-cobalt-manganese composite oxide is an agglomerated granular composite oxide powder having an average particle size D50 of from 3 to 15 μm, formed by agglomeration of many fine particles, and the compression breaking strength of the powder is at least 50 MPa.

    摘要翻译： 本发明提供一种锂二次电池正极用锂镍钴锰复合氧化物粉末，其具有体积容量密度大，安全性高，充放电循环耐久性优异。 作为锂二次电池用锂镍钴锰复合氧化物粉末，用下式表示：式Li- （其中M是除了Ni之外的过渡金属元素，其中M是除Ni之外的过渡金属元素， Co或Mn或碱土金属元素，0.9 <= p <= 1.1,0.2 <= x <= 0.5,0.1 <= y <= 0.4,0.2 <= z <= 0.5,0 <= q <= 0.05 ，1.9 <= 2-a <= 2.1，x + y + z + q = 1，0 <= a <= 0.02）。 锂镍钴锰复合氧化物是通过许多细颗粒附聚而形成的平均粒径D50为3〜15μm的凝聚颗粒状复合氧化物粉末，粉末的压缩断裂强度为至少50 MPa。

    Positive electrode active material powder for lithium secondary battery
    10.
    发明申请
    Positive electrode active material powder for lithium secondary battery 有权
    锂二次电池用正极活性物质粉末

    公开(公告)号：US20050271944A1

    公开(公告)日：2005-12-08

    申请号：US11150451

    申请日：2005-06-13

    申请人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    发明人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

    IPC分类号： C01G45/12 ,  C01G51/00 ,  C01G51/04 ,  C01G53/00 ,  C01G53/04 ,  H01M4/131 ,  H01M4/48 ,  H01M4/485 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M10/052 ,  H01M10/36 ,  H01M4/58

    CPC分类号： H01M4/505 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021

    摘要： To provide a lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability. A positive electrode active material powder for a lithium secondary battery characterized by comprising a first granular powder having a compression breaking strength of at least 50 MPa and a second granular powder having a compression breaking strength of less than 40 MPa, formed by agglomeration of many fine particles of a lithium composite oxide represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is a transition metal element other than Ni, Co and Mn, Al or an alkaline earth metal element, 0.9≦p≦1.1, 0.2≦x≦0.8, 0≦x≦0.4, 0≦z≦0.5, y+z>0, 0≦q≦0.05, 1.9≦2−a≦2.1, x+y+z+q=1, and 0≦a≦0.02) to have an average particle size D50 of from 3 to 15 μm, in a weight ratio of the first granular powder/the second granular powder being from 50/50 to 90/10.

    摘要翻译： 为了提供一种锂二次电池的正极用锂镍钴锰复合氧化物粉末，其具有大容量密度和高安全性，并且充放电循环耐久性优异。 一种锂二次电池用正极活性物质粉末，其特征在于，具有压缩断裂强度为50MPa以上的第一粒状粉末和压缩断裂强度小于40MPa的第二粒状粉末，其特征在于， 由下式表示的锂复合氧化物的颗粒：由下式表示的锂复合氧化物颗粒：Mn x Mn x Mn （其中M是不同于Ni，Co和Mn，Al或碱土金属元素的过渡金属元素，0.9 <= p <= 1.1,0.2 <= x <= 0.8,0 <= x <= 0.4,0 <= z <= 0.5，y + z> 0,0 <= q <= 0.05,1.9 <= 2- a = 2.1，x + y + z + q = 1，0 <= a <= 0.02），平均粒径D50为3〜15μm，以第1粒状粉末/ 粒状粉末为50/50至90/10。