公开(公告)号：US20090289218A1

公开(公告)日：2009-11-26

申请号：US12310172

申请日：2008-04-14

申请人： Yoshio Kajiya ,  Hirohito Sato ,  Ryuichi Nagase

发明人： Yoshio Kajiya ,  Hirohito Sato ,  Ryuichi Nagase

IPC分类号： H01M4/50

CPC分类号： H01M4/505 ,  C01G45/1242 ,  C01P2002/32 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/77 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M10/0525 ,  H01M2004/021

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。

公开(公告)号：US09059465B2

公开(公告)日：2015-06-16

申请号：US12936476

申请日：2009-02-20

申请人： Ryuichi Nagase ,  Yoshio Kajiya

发明人： Ryuichi Nagase ,  Yoshio Kajiya

IPC分类号： H01M4/525 ,  H01M4/52 ,  C01G53/00 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/525 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/77 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/52 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122

摘要： Provided is a positive electrode active material for a lithium ion battery positive electrode material made of lithium-containing nickel-manganese-cobalt composite oxide of a layered structure represented with LiaNixMnyCozO2 (1.0

摘要翻译： 提供一种由LiaNixMnyCozO2（1.0

公开(公告)号：US20120319040A1

公开(公告)日：2012-12-20

申请号：US13582101

申请日：2011-03-02

申请人： Kentaro Okamoto ,  Yoshio Kajiya

发明人： Kentaro Okamoto ,  Yoshio Kajiya

IPC分类号： H01M4/525

CPC分类号： C01G53/42 ,  C01G53/50 ,  C01P2002/54 ,  C01P2006/40 ,  H01M4/525 ,  Y02E60/122

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。

公开(公告)号：US20120319037A1

公开(公告)日：2012-12-20

申请号：US13581423

申请日：2011-08-24

申请人： Yasuhiro Kawahashi ,  Yoshio Kajiya

发明人： Yasuhiro Kawahashi ,  Yoshio Kajiya

IPC分类号： H01M4/58

CPC分类号： C01G53/44 ,  C01G45/02 ,  C01G53/42 ,  C01G53/66 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2006/11 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/50 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

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。

公开(公告)号：US20120319036A1

公开(公告)日：2012-12-20

申请号：US13576753

申请日：2011-02-04

申请人： Yoshio Kajiya ,  Kentaro Okamoto

发明人： Yoshio Kajiya ,  Kentaro Okamoto

IPC分类号： H01M4/525

CPC分类号： H01M4/505 ,  C01G45/1228 ,  C01G51/42 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2006/40 ,  H01M4/525 ,  H01M10/052 ,  Y02E60/122

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: Li(LixNi1-x-yMy)O2+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≦x≦0.1, 0 0).

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：Li（LixNi1-x-yMy）O2 +α（式中，M表示选自Sc，Ti，V，Cr，Mn中的至少一种 ，Fe，Co，Cu，Zn，Ga，Ge，Al，Bi，Sn，Mg，Ca，B和Zr，0＆nlE; x＆nlE; 0.1,0 0）。

公开(公告)号：US20120034525A1

公开(公告)日：2012-02-09

申请号：US13258120

申请日：2010-03-03

申请人： Hirohito Satoh ,  Yoshio Kajiya ,  Ryuichi Nagase

发明人： Hirohito Satoh ,  Yoshio Kajiya ,  Ryuichi Nagase

IPC分类号： H01M4/131 ,  H01M4/505 ,  G01J5/02 ,  H01M4/525

CPC分类号： H01M4/505 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/82 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/525 ,  H01M10/0525

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＆nlE; A＆nlE; 0.53y-0.06。

公开(公告)号：US09327996B2

公开(公告)日：2016-05-03

申请号：US13581423

申请日：2011-08-24

申请人： Yasuhiro Kawahashi ,  Yoshio Kajiya

发明人： Yasuhiro Kawahashi ,  Yoshio Kajiya

IPC分类号： C01G53/00 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/50 ,  C01G45/02

CPC分类号： C01G53/44 ,  C01G45/02 ,  C01G53/42 ,  C01G53/66 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2006/11 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/50 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

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。

公开(公告)号：US09240594B2

公开(公告)日：2016-01-19

申请号：US13582096

申请日：2011-03-02

申请人： Kentaro Okamoto ,  Yoshio Kajiya

发明人： Kentaro Okamoto ,  Yoshio Kajiya

IPC分类号： H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M10/052

CPC分类号： H01M4/525 ,  C01G53/50 ,  C01G53/66 ,  C01P2002/77 ,  C01P2004/61 ,  H01M4/505 ,  H01M10/052 ,  Y02E60/122

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(NiyMe1-y)Oz (wherein Me 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 0.70 to 0.79, 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 three lines given by the equations: y=1.108, y=−37.298x+108.27, and y=75.833x−217.1 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（NiyMe1-y）Oz（其中Me表示选自Mn，Co，Al，Mg，Cr， Ti，Fe，Nb，Cu和Zr，x表示0.9至1.2的数，y表示从0.70至0.79的数，z表示数为1.9或更大），其中晶格常数a和组成比的坐标 （Li / M）在由以下等式给出的三条线所包围的区域内：y = 1.108，y = -37.298x + 108.27，y = 75.833x-217.1，其中x轴表示晶格常数 a和y轴表示Li与M的组成比（Li / M），晶格常数c为14.2〜14.25。

公开(公告)号：US20130001463A1

公开(公告)日：2013-01-03

申请号：US13582113

申请日：2011-03-02

申请人： Kentaro Okamoto ,  Yoshio Kajiya

发明人： Kentaro Okamoto ,  Yoshio Kajiya

IPC分类号： H01M4/525

CPC分类号： H01M4/525 ,  C01G53/50 ,  C01G53/66 ,  C01P2002/77 ,  C01P2004/61 ,  H01M4/505 ,  H01M10/052 ,  Y02E60/122

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 0.5 to 0.65, 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 three lines given by the equations: y=−20.86x+59.079, y=35x−99.393, and y=−32.946x+95.78 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至1.2的数，y表示0.5至0.65的数，z表示数为1.9或更大），其中晶格常数a的坐标和组成比 （Li / M）在由以下等式给出的三条线所包围的区域内：y = -20.86x + 59.079，y = 35x-99.393，y = -32.946x + 95.78，其中x轴表示 晶格常数a和y轴表示Li与M的组成比（Li / M），晶格常数c为14.2〜14.25。

公开(公告)号：US20120231342A1

公开(公告)日：2012-09-13

申请号：US13508880

申请日：2011-02-16

申请人： Hirohito Satoh ,  Yoshio Kajiya

发明人： Hirohito Satoh ,  Yoshio Kajiya

IPC分类号： H01M4/525

CPC分类号： H01M4/525 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/021

摘要： The present invention provides a positive electrode active material for lithium ion batteries having excellent rate performance.The positive electrode active material for lithium ion batteries having a layered structure is represented by composition formula: Lix(NiyM1-y)Oz, whereinM is Mn and Co, x is 0.9 to 1.2, y is 0.6 to 0.9, z is 1.8 to 2.4. D2/D1 is 1.065 or less, D1 being defined as the density of the positive electrode active material when powder of the positive electrode active material is pressed under the pressure of 100 MPa, and D2 being defined as the density of the positive electrode active material when powder of the positive electrode active material is pressed under the pressure of 300 MPa.

摘要翻译： 本发明提供一种锂离子电池正极活性物质，具有优异的速率性能。 具有层状结构的锂离子电池用正极活性物质用组成式：Lix（NiyM1-y）Oz表示，其中M为Mn和Co，x为0.9〜1.2，y为0.6〜0.9，z为1.8〜 2.4。 D2 / D1为1.065以下，D1为正极活性物质的粉末在100MPa的压力下被按压时的正极活性物质的密度，D2定义为正极活性物质的密度 当在300MPa的压力下压制正极活性物质的粉末时。