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1. 发明授权

US08883352B2 Surface modified lithium-containing composite oxide for cathode active material for lithium ion secondary battery and its production process 有权
标题翻译：锂离子二次电池正极活性物质表面改性含锂复合氧化物及其制备方法
公开(公告)号：US08883352B2
公开(公告)日：2014-11-11
申请号：US13196950
申请日：2011-08-03
申请人： Remi Hiraki , Takeshi Kawasato
发明人： Remi Hiraki , Takeshi Kawasato
IPC分类号： H01M4/131 , B05D5/12 , H01M4/42 , H01M4/46 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0525 , C04B35/628 , C01G53/00 , C04B35/01 , H01M4/36 , H01M10/052 , C01G51/00
CPC分类号： C04B35/62821 , C01G51/42 , C01G53/42 , C01P2002/52 , C01P2002/72 , C01P2002/76 , C01P2004/51 , C01P2004/80 , C01P2004/84 , C01P2006/11 , C01P2006/12 , C01P2006/40 , C04B35/01 , C04B35/62886 , C04B2235/3203 , C04B2235/3206 , C04B2235/3217 , C04B2235/3244 , C04B2235/3275 , C04B2235/442 , C04B2235/449 , C04B2235/5409 , C04B2235/5436 , C04B2235/5481 , C04B2235/762 , C04B2235/768 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54
摘要： To provide a surface modified lithium-containing composite oxide having excellent discharge capacity, volume capacity density, safety, durability for charge and discharge cycles, and high rate property.A surface modified lithium-containing composite oxide, comprising particles of a lithium-containing composite oxide having a predetermined composition and a lithium titanium composite oxide containing lithium, titanium and element Q (wherein Q is at least one element selected from the group consisting of B, Al, Sc, Y and In) contained in the surface layer of the particles, wherein the lithium titanium composite oxide is contained in the surface layer of the particles in a proportion of the total amount of titanium and element Q in the lithium titanium composite oxide contained in the surface layer to the lithium-containing composite oxide particles is from 0.01 to 2 mol %, and the lithium titanium composite oxide has a peak at a diffraction angle 2θ within a range of 43.8±0.5° in powder X-ray diffraction measurement in which CuKα rays are used.
摘要翻译：提供具有优异的放电容量，体积容量密度，安全性，充放电循环的耐久性和高速率性能的表面改性的含锂复合氧化物。一种表面改性的含锂复合氧化物，其包含具有预定组成的含锂复合氧化物颗粒和含有锂，钛和元素Q的锂钛复合氧化物（其中Q是选自由B组成的组中的至少一种元素，Al，Sc，Y和In），其中所述锂钛复合氧化物以所述钛钛复合材料中的钛和元素Q的总量的比例包含在所述颗粒的表面层中含锂复合氧化物粒子的表面层中的氧化物的含量为0.01〜2摩尔％，钛酸锂复合氧化物在衍射角2θ处具有峰值，在使用CuKα射线的粉末X射线衍射测定中，在43.8±0.5°的范围内。

2. 发明申请

US20080131780A1 LITHIUM-CONTAINING COMPOSITE OXIDE AND ITS PRODUCTION PROCESS 有权
标题翻译：含锂的复合氧化物及其生产工艺
公开(公告)号：US20080131780A1
公开(公告)日：2008-06-05
申请号：US11952185
申请日：2007-12-07
申请人： Takeshi KAWASATO , Tokumitsu Kato , Naoshi Satio , Koji Tatsumi , Megumi Uchida , Remi Hiraki
发明人： Takeshi KAWASATO , Tokumitsu Kato , Naoshi Satio , Koji Tatsumi , Megumi Uchida , Remi Hiraki
IPC分类号： H01M4/48 , H01M4/50 , H01M4/52
CPC分类号： C01G53/42 , C01G45/1221 , C01G51/42 , C01P2002/52 , C01P2004/51 , C01P2004/61 , C01P2006/40 , H01M4/131 , H01M4/1315 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052
摘要： To provide a process for producing a lithium-containing composite oxide for a positive electrode of a lithium secondary battery, which has a large volume capacity density, high safety, excellent durability for charge and discharge cycles and excellent low temperature characteristics.
摘要翻译：本发明提供一种锂二次电池正极用含锂复合氧化物的制造方法，其具有体积容量密度大，安全性高，充放电循环耐久性优异，低温特性优异的特征。

3. 发明授权

US07709148B2 Lithium-containing composite oxide and its production process 有权
标题翻译：含锂复合氧化物及其生产工艺
公开(公告)号：US07709148B2
公开(公告)日：2010-05-04
申请号：US11952185
申请日：2007-12-07
申请人： Takeshi Kawasato , Tokumitsu Kato , Naoshi Saito , Koji Tatsumi , Megumi Uchida , Remi Hiraki
发明人： Takeshi Kawasato , Tokumitsu Kato , Naoshi Saito , Koji Tatsumi , Megumi Uchida , Remi Hiraki
IPC分类号： H01M4/00
CPC分类号： C01G53/42 , C01G45/1221 , C01G51/42 , C01P2002/52 , C01P2004/51 , C01P2004/61 , C01P2006/40 , H01M4/131 , H01M4/1315 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052
摘要： To provide a process for producing a lithium-containing composite oxide for a positive electrode of a lithium secondary battery, which has a large volume capacity density, high safety, excellent durability for charge and discharge cycles and excellent low temperature characteristics.
摘要翻译：本发明提供一种锂二次电池正极用含锂复合氧化物的制造方法，其具有容量密度大，安全性高，充放电循环耐久性优异，低温特性优良的特征。

4. 发明授权

US08192711B2 Process for production of cathode active material for lithiun ion secondary battery 有权
标题翻译：锂离子二次电池用正极活性物质的制造方法
公开(公告)号：US08192711B2
公开(公告)日：2012-06-05
申请号：US12606224
申请日：2009-10-27
申请人： Megumi Uchida , Takeshi Kawasato , Remi Hiraki
发明人： Megumi Uchida , Takeshi Kawasato , Remi Hiraki
IPC分类号： C01G51/00
CPC分类号： H01M4/505 , H01M4/1315 , H01M4/362 , H01M4/485 , H01M4/525 , H01M10/052 , Y10T428/2991 , Y10T428/2993
摘要： To provide a process for producing a surface modified lithium-containing composite oxide, which is excellent in discharge capacity, volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, at a low production cost.The present invention is characterized in that a process for producing a surface modified lithium-containing composite oxide, wherein a lithium titanium composite oxide is contained in the surface layer of particles of a lithium-containing composite oxide represented by the formula: LipNxMyOzFa, where N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9≦p≦1.3, 0.9≦x≦2.0, 0≦y≦0.1, 1.9≦z≦4.2, and 0≦a≦0.05, which comprises impregnating a solution having a lithium source and a titanium source dissolved therein, followed by heat treatment at a determined temperature, to obtain the surface modified lithium-containing composite oxide, wherein the titanium contained in the surface layer is from 0.01 to 1.95 mol %.
摘要翻译：为了提供一种生产成本低的放电容量，容量容量密度，安全性，充放电循环的耐久性和优异的速率特性的表面改性的含锂复合氧化物的方法。本发明的特征在于一种表面改性的含锂复合氧化物的制造方法，其中，在下式表示的锂复合氧化物的表面层中含有锂钛复合氧化物，式中，N表示下式：LipNxMyOzFa，其中N 是选自Co，Mn和Ni中的至少一种元素，M是选自Al，Sn，碱土金属元素和Co，Mn和Ni以外的过渡金属元素中的至少一种元素，0.9 其中包括浸渍溶解有锂源和钛源的溶液，其中包括溶解在其中的锂源和溶解有钛源的溶液，随后通过在确定的温度下进行热处理，得到表面改性的含锂复合氧化物，其中表面层中所含的钛为0.01〜1.95摩尔％。

5. 发明申请

US20100173199A1 SURFACE MODIFIED LITHIUM-CONTAINING COMPOSITE OXIDE FOR CATHODE ACTIVE MATERIAL FOR LITHIUN ION SECONDARY BATTERY AND ITS PRODUCTION PROCESS 审中-公开
标题翻译：用于锂离子二次电池的阴极活性材料的表面改性含锂复合氧化物及其制备方法
公开(公告)号：US20100173199A1
公开(公告)日：2010-07-08
申请号：US12683458
申请日：2010-01-07
申请人： Remi Hiraki , Takeshi Kawasato
发明人： Remi Hiraki , Takeshi Kawasato
IPC分类号： H01M4/58 , H01M4/88 , H01M4/525 , H01M4/505
CPC分类号： C01G23/003 , C01G45/1221 , C01G51/42 , C01G53/42 , C01P2002/52 , C01P2002/72 , C01P2004/51 , C01P2006/12 , C01P2006/40 , C04B35/01 , C04B35/62675 , C04B35/62821 , C04B35/62886 , C04B2235/3203 , C04B2235/3206 , C04B2235/3217 , C04B2235/3244 , C04B2235/3268 , C04B2235/3275 , C04B2235/3279 , C04B2235/3293 , C04B2235/442 , C04B2235/445 , C04B2235/449 , C04B2235/5409 , C04B2235/5436 , C04B2235/5481 , C04B2235/768 , H01M4/1315 , H01M4/362 , H01M4/38 , H01M10/0525 , H01M2004/028
摘要： To provide a surface modified lithium-containing composite oxide for a cathode active material for a lithium ion secondary cell, which is excellent in volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, and its production process.Particles of a lithium-containing composite oxide represented by the formula: LipNxMyOzFa, wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, Sn, alkaline earth metal elements and transition metal elements other than N, 0.9≦p≦1.3, 0.9≦x≦2.0, 0≦y≦0.1, 1.9≦z≦4.2, and 0≦a≦0.05, are impregnated with a solution containing a lanthanoid source and a titanium source, followed by heat treatment at from 550 to 1,000° C., to prepare a surface modified lithium-containing composite oxide having a highly crystalline lithium lanthanoid titanium composite oxide having a perovskite structure containing no fluorine contained in the surface layer of the particles.
摘要翻译：为了提供用于锂离子二次电池用正极活性物质的表面改性含锂复合氧化物及其制造方法，其体积容积密度，安全性，充放电循环的耐久性和优异的速率性质优异。由下式表示的含锂复合氧化物的颗粒：LipNxMyOzFa，其中N为选自Co，Mn和Ni中的至少一种元素，M为选自Al，Sn，碱土金属元素和过渡金属元素，除N，0.9和nlE之外; p＆nlE; 1.3,0.9和nlE; x和nlE; 2.0,0和nlE; y和nlE; 0.1,1.9和nlE; z和nlE; 4.2和0＆含有镧系元素源和钛源的溶液，然后在550〜1000℃下进行热处理，制备具有不含氟的钙钛矿结构的高结晶性锂镧系元素复合氧化物的表面改性含锂复合氧化物在颗粒的表面层。

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