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1. 发明专利

JP2009021260A Positive active material for nonaqueous lithium secondary battery, positive electrode using the active material, and nonaqueous lithium secondary battery 有权
标题翻译：非活性锂二次电池的正极活性物质，使用活性材料的正极和非碱性锂二次电池
公开(公告)号：JP2009021260A
公开(公告)日：2009-01-29
申请号：JP2008245751
申请日：2008-09-25
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , UCHIKAWA TERUO , INADA FUMI
IPC分类号： H01M10/052 , H01M4/131 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/0566
CPC分类号： Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To increase discharge capacity of a positive electrode of a nonaqueous lithium secondary battery using a lithium-transition metal composite oxide in the positive electrode than conventional one. SOLUTION: A lithium secondary battery has a negative electrode, a positive electrode formed by coating a composite oxide including lithium and transition metal as the positive active material, a separator interposed between the negative electrode and the positive electrode, and a nonaqueous electrolyte. The positive active material of the lithium secondary battery is globular particles obtained in such a way that a transition metal compound, a lithium compound and water are mixed in a prescribed ratio to prepare slurry, the slurry is sprayed with a spray dryer having a four fluid nozzle, dried, and baked. The globular particles have an average particle diameter of 1-20 μm and a maximum particle diameter of 50 μm or less. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：使用正极中的锂 - 过渡金属复合氧化物，提高非水锂二次电池的正极的放电容量比常规锂离子电池的放电容量大。解决方案：锂二次电池具有负极，通过涂覆包含锂和过渡金属的复合氧化物作为正极活性材料形成的正极，插入在负极和正极之间的隔膜，以及非水电解质。锂二次电池的正极活性物质是以过渡金属化合物，锂化合物和水以规定的比例混合以制备浆料而获得的球状颗粒，用具有四种流体的喷雾干燥器喷嘴，干燥并烘烤。球状颗粒的平均粒径为1-20μm，最大粒径为50μm以下。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2005310744A Cathode activator for nonaqueous lithium secondary battery, manufacturing method of the same, and nonaqueous lithium secondary battery using the cathode activator 审中-公开
标题翻译：非电解锂二次电池的阴极激活器，其制造方法和使用阴极激活器的非标锂二次电池
公开(公告)号：JP2005310744A
公开(公告)日：2005-11-04
申请号：JP2004376870
申请日：2004-12-27
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： INADA FUMI , NAKAJIMA MOTOE
IPC分类号： C01G53/00 , H01M4/02 , H01M4/36 , H01M4/505 , H01M4/525 , H01M10/05 , H01M4/58 , H01M10/40
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a cathode activator for a nonaqueous lithium secondary battery capable of obtaining high output, and a manufacturing method of the same. SOLUTION: On the nonaqueous lithium secondary battery using a complex oxide composed of lithium and transition metal, the cathode activator, expressed by compositional formula; Li a Mn x Ni y M z O 2 [M is either Co or Al] is formed by surface-modifying a metal compound film with a thickness of 10 nm to 70 nm containing at least one element selected from Al, Mg, Sn, Ti, Zn and Zr, on a surface of the complex oxide having a layered crystal structure within a range of 1≤a≤1.2, 0.2≤x≤0.5, 0.35≤y≤0.5, 0≤z≤0.45, and x+y+z=1. It is preferable to use a metal compound solution in which, a metal compound is dissolved at manufacturing process, and irradiating an ultrasonic wave so that the content of the metal in the solution gets to 0.0001 to 10 mass% against the complex oxide, after mixing the metal compound solution an the complex oxide. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够获得高输出的非水锂二次电池的阴极活化剂及其制造方法。解决方案：使用由锂和过渡金属组成的复合氧化物的非水锂二次电池，由组成式表示的阴极活化剂; Li> Li O O O O O O O O O O O>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 或Al]通过在具有选自Al，Mg，Sn，Ti，Zn和Zr中的至少一种元素的10nm至70nm的厚度的表面改性金属化合物膜而形成，所述复合氧化物具有层状晶体结构在1≤a≤1.2,0.2≤x≤0.5,0.35≤y≤0.5,0≤z≤0.45，x + y + z = 1的范围内。优选在制造过程中使用金属化合物溶解的金属化合物溶液，并且在混合后照射超声波使得溶液中的金属含量相对于复合氧化物为0.0001〜10质量％金属化合物溶液为复合氧化物。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006318928A Cathode active substance for lithium secondary battery, and nonaqueous lithium secondary battery 审中-公开
标题翻译：用于锂二次电池的阴极活性物质和非碱性锂二次电池
公开(公告)号：JP2006318928A
公开(公告)日：2006-11-24
申请号：JP2006199630
申请日：2006-07-21
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , INADA FUMI , UCHIKAWA TERUO
IPC分类号： H01M4/02 , H01M4/36 , H01M4/505 , H01M4/525 , H01M10/05
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery which raises an output by an internal resistance reduction and inhibits an output deterioration, a cathode active substance used for this, and a process of manufacturing it.
SOLUTION: The size of a crystallite measured by a Hall method from the integration width of each diffraction peak acquired from an X-ray diffraction pattern is larger than 600 Å and less than 800 Å in the cathode active substance for the lithium secondary battery. This cathode active substance is expressed with a composition formula: Li
a Mn
x Ni
y X
z O
2 (X is at least either Co or Al), in a range of 1≤a≤1.2, 0≤x≤0.65, 0.35≤y≤1, and 0≤z≤0.65 and it is desirable that it is a composite oxide having a stratified rock salt structure of x+y+z=1.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种锂二次电池，其通过内部电阻降低而提高输出并抑制输出恶化，所用的阴极活性物质及其制造方法。解决方案：从X射线衍射图中获得的每个衍射峰的积分宽度通过霍尔方法测量的微晶的尺寸在锂二次的阴极活性物质中大于并且小于800 电池。该阴极活性物质用组成式表示：Li Mn X Y X > 2 （X至少为Co或Al），在1≤a≤1.2,0≤x≤0.65,0.35≤y≤1,0≤z≤0.65的范围内，并且希望它是具有x + y + z = 1的分层岩盐结构的复合氧化物。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005150102A Cathode active material for lithium secondary cell and its manufacturing mathod as well as nouaqueous lithium secondary cell 有权
标题翻译：用于锂二次电池的阴极活性材料及其作为NOUAQUEOUS锂二次电池的制造方法
公开(公告)号：JP2005150102A
公开(公告)日：2005-06-09
申请号：JP2004306421
申请日：2004-10-21
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , INADA FUMI , UCHIKAWA TERUO
IPC分类号： C01G53/00 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/58 , H01M10/05 , H01M4/02 , H01M10/40
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a cathode active material with suppressed aggregation and a raised coating property and its manufacturing method as well as a lithium secondary cell having a good output property using the cathode active material by providing a distinction index whether the cathode active material is aggregated.
SOLUTION: The cathode active material for a lithium secondary cell which is a nonaqueous lithium secondary cell being a lithium-containing compound oxide as a cathode active material absorbing and releasing a lithium ion has a median radius D50 ratio of the cathode active material (a value of D50 (without ultrasonic waves)/D50 (with ultrasonic waves)) of 1 or more and 2 or less by calculating laser diffractions when the cathode active material is dispersed in ethanol with the ultrasonic waves, and without using the ultrasonic waves. The cathode active material is manufactured with processes up to classification and packing after calcination under an environment of 20g(20g/m
3 ) or less of a water vapor content per cubic meter.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有抑制聚集和提高的涂层性能的正极活性材料及其制造方法以及使用阴极活性材料具有良好输出性能的锂二次电池，通过提供一种区别指数正极活性物质聚集。解决方案：作为吸收和释放锂离子的正极活性物质的作为含锂复合氧化物的非水锂二次电池用锂二次电池用正极活性物质，正极活性物质的中值半径D50比例（超声波）的D50（超声波）/ D50（超声波））为1以上且2以下时，通过计算激光衍射，当超声波分散在乙醇中时，不使用超声波。在20g（20g / m 3 / SP）以下的水蒸汽含量/立方米的环境下煅烧后，制造直至分类和包装的正极活性物质。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2005150057A Cathode active material for nonaqueous system lithium secondary battery, its manufacturing method, and nonaqueous system lithium secondary battery using the material 有权
标题翻译：用于非水系统锂离子电池的阴极活性材料，其制造方法和使用材料的非水系统锂二次电池
公开(公告)号：JP2005150057A
公开(公告)日：2005-06-09
申请号：JP2003390194
申请日：2003-11-20
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： INADA FUMI , NAKAJIMA MOTOE , UCHIKAWA TERUO
IPC分类号： C01G53/00 , H01M4/505 , H01M4/525 , H01M10/05 , H01M4/58 , H01M4/02 , H01M10/40
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for a positive active material for a nonaqueous lithium secondary battery providing high output, and also to provide the positive active material and the lithium secondary battery using it.
SOLUTION: In the nonaqueous system lithium secondary battery with a complex oxide composed of lithium and transition metal as the cathode active material, the cathode active material is expressed in a composition formula: Li
a Mn
x Ni
y M
z O
2 [M=at least either of Co, Al] and is a compound having a lamellar crystal structure of:x+y+z=1 within a range of 1≤a≤1.2, 0.2≤x≤0.5, 0.35≤y≤0.5, 0≤z≤0.45. When the cathode active material is dispersed with pure water (pH 7.2-7.5) in an amount of 5 weight times, the pH of its supernatant liquid is 10.0-12.0.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种提供高输出的非水锂二次电池的正极活性材料的制造方法，并且还提供使用它的正极活性物质和锂二次电池。解决方案：在具有由锂和过渡金属组成的复合氧化物作为正极活性物质的非水系锂二次电池中，正极活性物质以组成式表示：Li a SB> x Ni M O [M = Co，Al中的至少任一种]，并且是具有在1≤a≤1.2,0.2≤x≤0.5,0.35≤y≤0.5,0≤z≤0.45的范围内的x + y + z = 1的层状晶体结构。当阴极活性物质以5重量倍的纯水（pH7.2-7.5）分散时，其上清液的pH为10.0-12.0。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004311427A Positive electrode active material for lithium secondary battery and its manufacturing method and non-aqueous lithium secondary battery 有权
公开(公告)号：JP2004311427A
公开(公告)日：2004-11-04
申请号：JP2004086963
申请日：2004-03-24
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , INADA FUMI , UCHIKAWA TERUO
IPC分类号： C01G53/00 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/05 , H01M4/58 , H01M4/02 , H01M10/40
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery of which increase of output and impairment of output due to inner resistance decrease is prevented and to provide a positive electrode active material to be used for this and its manufacturing method. SOLUTION: In the non-aqueous lithium secondary battery using a composite oxide consisting of lithium and a transition metal as a positive electrode active material, filling property (%) of the positive electrode active material for the lithium secondary battery which is represented by (tap density/actual density)×100 is less than 55%. For the positive electrode active material, size of a crystallite measured by the Hall method is 400Å to 850Å and represented by the composition formula Li a Mn x Ni y X z O 2 (X: at least one of Co and A1), and is preferably a composite oxide having a layer structure for satisfying the ranges below: 1≤a≤1.2, 0.2≤x≤0.5, 0.35≤y≤0.8, 0≤z≤0.45, x+y+z=1. COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2003077474A Positive electrode active material for lithium secondary battery and its manufacturing method 审中-公开
标题翻译：用于锂二次电池的正极电极活性材料及其制造方法
公开(公告)号：JP2003077474A
公开(公告)日：2003-03-14
申请号：JP2001270342
申请日：2001-09-06
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , UCHIKAWA TERUO , INADA FUMI
IPC分类号： C01G45/00 , C01G51/00 , H01M4/505 , H01M10/05 , H01M4/58 , H01M4/02 , H01M10/40
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode active material that is superior in high temperature standing characteristics at charge and discharge, and its manufacturing method.
SOLUTION: This is a positive electrode active material that is mainly made of a lithium manganese composite oxide as expressed by the following formula, Li
1+x Mn
2-x-y A
y O
4 (where A is at least one element selected from Co and Al, and 0
摘要翻译：要解决的问题：提供一种在充放电时的高温静置特性优异的正极活性物质及其制造方法。解决方案：这是一种主要由如下式表示的锂锰复合氧化物Li1 + xMn2-xyAaO4（其中A为选自Co和Al中的至少一种元素）和0

8. 发明专利

JP2006318929A Cathode active substance for lithium secondary battery, and nonaqueous lithium secondary battery 有权
标题翻译：用于锂二次电池的阴极活性物质和非碱性锂二次电池
公开(公告)号：JP2006318929A
公开(公告)日：2006-11-24
申请号：JP2006199631
申请日：2006-07-21
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , INADA FUMI , UCHIKAWA TERUO
IPC分类号： H01M4/02 , H01M4/36 , H01M4/505 , H01M4/525 , H01M10/05 , H01M10/0525
CPC分类号： Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery which raises an output by an internal resistance reduction and inhibits an output deterioration and to provide a cathode active substance used for this.
SOLUTION: In the cathode active substance for a non-aqueous lithium secondary battery in which a lithium-containing composite oxide capable of occluding and emitting lithium ion is made to serve as cathode active substance, filling capability expressed with (tap density/true density×100[%] is less than 52% to 38% or more); the cathode active substance is expressed with a kind at least of a composition formula Li
a Mn
x Ni
y X
z O
2 (X is at least either of Co or Al); and it is a cathode active substance for a lithium secondary battery which is a composite oxide having a stratified rock salt structure in a range of 1≤a≤1.2, 0≤x≤0.65, 0.35≤y≤1, and 0≤z≤0.65 and of x+y+z=1.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种锂二次电池，其通过内部电阻降低而提高输出并抑制输出劣化并提供用于其的阴极活性物质。解决方案：在使用能够吸收和释放锂离子的含锂复合氧化物作为阴极活性物质的非水系锂二次电池用阴极活性物质中，以（振实密度/ 真密度×100 [％]小于52％〜38％以上）; 阴极活性物质至少以组成式Li表示，其中，至少组成式为Li X x （X是Co或Al中的至少任一个）; 作为锂二次电池用正极活性物质，其为层状岩盐结构在1≤a≤1.2,0≤x≤0.65,0.35≤y≤1，0≤z≤1的范围内的复合氧化物 0.65和x + y + z = 1。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2004165156A Method for preparing cathode active material for secondary lithium battery, the cathode active material using method thereof, and aqueous secondary lithium battery 审中-公开
公开(公告)号：JP2004165156A
公开(公告)日：2004-06-10
申请号：JP2003364435
申请日：2003-10-24
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , INADA FUMI , UCHIKAWA TERUO
IPC分类号： C01G53/00 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/05 , H01M4/58 , H01M4/02 , H01M10/40
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a method for preparing a cathode active material, by which metallic impurities contained in starting materials and entrapped in the following process are reduced, the cathode active material, and a secondary lithium battery.
SOLUTION: The method for manufacturing the cathode active material for lithium secondary battery containing metallic powder 50ppm or lower comprises steps of: (a) dispersing a lithium salt and a transition metal oxide in a solvent, to form a slurry mixture; (b) passing a magnetic field generating member that generates magnetic field not less than 0.6 tesla near the surface of magnetic field generating portion into the slurry mixture; (c) removing metallic powder attracted magnetically to the magnetic member, and transition metal oxide inevitably attracted to the magnetic member; (d) drying the metallic powder removed starting powder to make into a granular form, (e) firing the granular powder in air, nitrogen or oxygen atmosphere at a temperature between 800 to 1,100°C; (f) crushing the fired granular powder; and (g) heat treating the crushed powder in air, nitrogen or oxygen atmosphere at a temperature between 400 to 800°C.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2009004386A Cathode active substance for nonaqueous lithium secondary battery and cathode using the above active substance and nonaqueous lithium secondary battery 有权
标题翻译：使用上述活性物质和非碱性锂二次电池的阴极二次电池和阴极的阴极活性物质
公开(公告)号：JP2009004386A
公开(公告)日：2009-01-08
申请号：JP2008227461
申请日：2008-09-04
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKAJIMA MOTOE , UCHIKAWA TERUO , INADA FUMI
IPC分类号： H01M4/131 , H01M4/1391 , H01M4/36 , H01M4/505 , H01M4/525
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a cathode active substance with which a discharge capacity of a cathode electrode of a nonaqueous lithium secondary battery in which a composite oxide of Li and a transition metal is used for a cathode is improved to be larger than that of a conventional one.
SOLUTION: The cathode active substance is for a lithium secondary battery which is provided with an anode, a cathode on which a composite oxide composed of lithium and a transition metal is coated as a cathode active substance and a separator arranged between them and in which the nonaqueous electrolyte is filled. A slurry is produced by mixing a transition metal compound, a lithium compound and water at a predetermined ratio, and the slurry is spray-dried by using a spray-drying unit provided with a four fluid nozzle and is calcined to obtain spherical particles which is the cathode active substance. The average particle diameter of the spherical particles is 1 to 20 μm and the maximum particle diameter is 50 μm or less and there are a plurality of peaks in a particle distribution.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种阴极活性物质，其中使用Li和过渡金属的复合氧化物的非水锂锂二次电池的阴极的放电容量用于阴极，其提高到更大比传统的。解决方案：阴极活性物质用于锂二次电池，该二次电池设有阳极，其上涂覆有由锂和过渡金属组成的复合氧化物的阴极作为阴极活性物质，并且隔着排列在它们之间的隔板和其中非水电解质被填充。通过将过渡金属化合物，锂化合物和水以预定比例混合来制备浆料，并且通过使用设置有四个流体喷嘴的喷雾干燥单元对浆料进行喷雾干燥，并煅烧以获得球形颗粒，阴极活性物质。球状粒子的平均粒径为1〜20μm，最大粒径为50μm以下，粒子分布中存在多个峰。版权所有（C）2009，JPO＆INPIT

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