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21.发明申请公开(公告)号：US20130071553A1
公开(公告)日：2013-03-21
申请号：US13613889
申请日：2012-09-13
申请人： Naoto OHIRA , Ryuta Sugiura , Shohei Yokoyama , Miho Endo , Koji Kimura , Tsutomu Nanataki
发明人： Naoto OHIRA , Ryuta Sugiura , Shohei Yokoyama , Miho Endo , Koji Kimura , Tsutomu Nanataki
IPC分类号： B05D5/12
CPC分类号： H01M4/0471 , H01M4/1391 , H01M10/052 , Y02E60/122 , Y02P70/54
摘要： The present invention relates to a method for manufacturing cathode active material for a lithium secondary battery. The manufacturing method according to the present invention is characterized by including: (1) an intermediate generation process, wherein an intermediate which is powder or a shaped object containing the first material compound which is a compound of the transition metal other than lithium, which constitutes said lithium composite oxide, is generated, (2) a lithium source compound addition process, wherein the second material compound which is a lithium compound is added so that the second material compound in the shape of film may adhere to the surface of said intermediate, and (3) a sintering process, wherein lithium composite oxide is generated by sintering said intermediate in the state where said second material compound has adhered to its surface.
摘要翻译： 本发明涉及锂二次电池用正极活性物质的制造方法。 根据本发明的制造方法的特征在于包括：（1）中间生成工序，其中，作为粉末或成形体的中间体，其含有除锂以外的过渡金属的化合物的第一原料化合物，其构成 所述锂复合氧化物，（2）锂源化合物添加工序，其中添加作为锂化合物的第二材料化合物，使得膜形状的第二材料化合物可能粘附到所述中间体的表面， 和（3）烧结工艺，其中通过在所述第二材料化合物粘附到其表面的状态下烧结所述中间体而产生锂复合氧化物。
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22.发明授权公开(公告)号：US09543567B2
公开(公告)日：2017-01-10
申请号：US13613889
申请日：2012-09-13
申请人： Naoto Ohira , Ryuta Sugiura , Shohei Yokoyama , Miho Endo , Koji Kimura , Tsutomu Nanataki
发明人： Naoto Ohira , Ryuta Sugiura , Shohei Yokoyama , Miho Endo , Koji Kimura , Tsutomu Nanataki
IPC分类号： B05D5/12 , H01M4/04 , H01M4/1391 , H01M10/052
CPC分类号： H01M4/0471 , H01M4/1391 , H01M10/052 , Y02E60/122 , Y02P70/54
摘要： The present invention relates to a method for manufacturing cathode active material for a lithium secondary battery. The manufacturing method according to the present invention is characterized by including: (1) an intermediate generation process, wherein an intermediate which is powder or a shaped object containing the first material compound which is a compound of the transition metal other than lithium, which constitutes said lithium composite oxide, is generated, (2) a lithium source compound addition process, wherein the second material compound which is a lithium compound is added so that the second material compound in the shape of film may adhere to the surface of said intermediate, and (3) a sintering process, wherein lithium composite oxide is generated by sintering said intermediate in the state where said second material compound has adhered to its surface.
摘要翻译： 本发明涉及锂二次电池用正极活性物质的制造方法。 根据本发明的制造方法的特征在于包括：（1）中间生成工序，其中，作为粉末或成形体的中间体，其含有除锂以外的过渡金属的化合物的第一原料化合物，其构成 所述锂复合氧化物，（2）锂源化合物添加工序，其中添加作为锂化合物的第二材料化合物，使得膜形状的第二材料化合物可能粘附到所述中间体的表面， 和（3）烧结工艺，其中通过在所述第二材料化合物粘附到其表面的状态下烧结所述中间体而产生锂复合氧化物。
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公开(公告)号：US20120049109A1
公开(公告)日：2012-03-01
申请号：US13198366
申请日：2011-08-04
IPC分类号： H01M4/13
CPC分类号： H01M4/13 , C01G45/1242 , C01G45/1257 , C01G51/42 , C01G53/006 , C01G53/04 , C01G53/42 , C01G53/50 , C01G53/54 , C01P2002/32 , C01P2002/52 , C01P2004/20 , C01P2006/40 , H01M4/525 , H01M2004/021
摘要： The present invention provides a cathode active material for a lithium secondary battery containing therein an open pore having a protrusion which is formed so as to extend from the inner surface of the open pore toward the center of the open pore. Specifically, the protrusion is formed so as to extend toward the center of a virtual circle formed by approximating the shape of a cross section of the open pore to a circular shape. The protrusion is formed of the same material as the remaining portion of the cathode active material.
摘要翻译： 本发明提供一种锂二次电池用正极活性物质，其中具有开口孔，所述开口孔具有形成为从所述开孔的内表面朝向所述开孔的中心延伸的突起。 具体而言，突出部形成为朝向通过将开孔的截面形状近似为圆形而形成的虚拟圆的中心延伸。 突起由与阴极活性物质的剩余部分相同的材料形成。
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公开(公告)号：US20120009470A1
公开(公告)日：2012-01-12
申请号：US13166077
申请日：2011-06-22
CPC分类号： H01M4/0404 , C01G45/1228 , C01G51/42 , C01G51/50 , C01G53/006 , C01G53/04 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/74 , C01P2004/62 , C01P2006/16 , C01P2006/40 , C04B35/01 , C04B35/016 , C04B35/6268 , C04B35/62685 , C04B38/065 , C04B2111/00853 , C04B2235/3203 , C04B2235/3217 , C04B2235/3275 , C04B2235/3277 , C04B2235/3279 , C04B2235/3298 , C04B2235/365 , C04B2235/442 , C04B2235/443 , C04B2235/5436 , C04B2235/5445 , C04B2235/6025 , C04B2235/616 , C04B2235/656 , C04B2235/6565 , C04B2235/77 , C04B2235/785 , C04B2235/786 , C04B2235/79 , C04B2235/9623 , H01M4/0471 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2004/021 , Y02E60/122 , C04B38/0054 , C04B38/0074 , C04B38/067
摘要： To provide a lithium secondary battery which has high capacity while maintaining excellent cycle characteristic. The lithium secondary battery cathode of the present invention includes a cathode collector formed of a conductive substance, and a cathode active material layer formed of a sintered lithium composite oxide sheet. The cathode active material layer is bonded to the cathode collector by the mediation of a conductive bonding layer. A characteristic feature of the present invention resides in that the cathode active material layer has a thickness of 30 μm or more, a mean pore size of 0.1 to 5 μm, and a voidage of 3% or more and less than 15%.
摘要翻译： 提供具有高容量的锂二次电池，同时保持优异的循环特性。 本发明的锂二次电池阴极包括由导电物质形成的阴极集电体和由烧结的锂复合氧化物片形成的正极活性物质层。 阴极活性物质层通过导电接合层的介导与阴极集电体接合。 本发明的特征在于，正极活性物质层的厚度为30μm以上，平均孔径为0.1〜5μm，空隙率为3％以上且小于15％。
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25.发明申请POSITIVE ELECTRODE ACTIVE ELEMENT AND LITHIUM SECONDARY BATTERY USING THE SAME 审中-公开使用相同的正极电极活性元件和锂二次电池公开(公告)号：US20110003205A1
公开(公告)日：2011-01-06
申请号：US12819504
申请日：2010-06-21
CPC分类号： H01M4/131 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2004/021 , Y10T428/2982
摘要： A positive electrode active material comprising a large number of crystal grains composed of lithium manganate of spinel structure, wherein the large number of crystal grains contain primary particles of 3 to 20 μm in particle diameter by 70 areal % or more relative to all the crystal grains, the primary particles contain a component having a rectangular plane, and the ratio of the total area of all the rectangular planes to the total surface area of the primary particles is 0.5 to 5%.
摘要翻译： 一种正极活性物质，其包含由尖晶石结构的锰酸锂构成的大量的晶粒，其中，大量的晶粒相对于所有的晶粒，粒径为3〜20μm的一次粒子为70面积％以上 初级粒子含有具有矩形面的成分，所有矩形面的总面积与一次粒子的总表面积的比例为0.5〜5％。
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公开(公告)号：US07727585B2
公开(公告)日：2010-06-01
申请号：US11961218
申请日：2007-12-20
申请人： Kei Sato , Nobuyuki Kobayashi , Tsutomu Nanataki
发明人： Kei Sato , Nobuyuki Kobayashi , Tsutomu Nanataki
IPC分类号： B05D1/12
CPC分类号： C03C3/0745 , C03C8/10 , C03C8/14 , C03C17/04 , H01G4/1209 , H01G4/129 , H01G4/33 , H01L21/02175 , H01L21/02197 , H01L21/31691 , H01L28/40 , H01L41/43 , Y10T29/42
摘要： A manufacturing method of a dielectric device includes steps described below. (1) Mixing step: Powders serving as a matrix and additive powders for sintering the matrix are mixed. (2) Mixture heat-treating step: The mixture of the matrix and the additive that has been subject to the mixing step is heat-treated. (3) Deposition layer formation step: The material powders obtained through the mixture heat-treating step are injected toward a substrate so as to form a deposition layer on the substrate. (4) Deposition layer heat-treating step: The deposition layer formed on the substrate through the deposition layer formation step is heat-treated so as to form the dielectric layer on the substrate.
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公开(公告)号：US20080196227A1
公开(公告)日：2008-08-21
申请号：US11961218
申请日：2007-12-20
申请人： Kei Sato , Nobuyuki Kobayashi , Tsutomu Nanataki
发明人： Kei Sato , Nobuyuki Kobayashi , Tsutomu Nanataki
IPC分类号： H01L41/22
CPC分类号： C03C3/0745 , C03C8/10 , C03C8/14 , C03C17/04 , H01G4/1209 , H01G4/129 , H01G4/33 , H01L21/02175 , H01L21/02197 , H01L21/31691 , H01L28/40 , H01L41/43 , Y10T29/42
摘要： A manufacturing method of a dielectric device includes steps described below. (1) Mixing step: Powders serving as a matrix and additive powders for sintering the matrix are mixed. (2) Mixture heat-treating step: The mixture of the matrix and the additive that has been subject to the mixing step is heat-treated. (3) Deposition layer formation step: The material powders obtained through the mixture heat-treating step are injected toward a substrate so as to form a deposition layer on the substrate. (4) Deposition layer heat-treating step: The deposition layer formed on the substrate through the deposition layer formation step is heat-treated so as to form the dielectric layer on the substrate.
摘要翻译： 电介质器件的制造方法包括下述步骤。 （1）混合工序：将作为基质的粉末和烧结基质的添加剂粉末混合。 （2）混合热处理工序：将经过混合工序的基质和添加剂的混合物进行热处理。 （3）沉积层形成步骤将通过混合物热处理步骤获得的材料粉末注入基板，以在基板上形成沉积层。 （4）沉积层热处理工序：通过沉积层形成工序在基板上形成的沉积层进行热处理，以在基板上形成电介质层。
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公开(公告)号：US08821765B2
公开(公告)日：2014-09-02
申请号：US13198366
申请日：2011-08-04
CPC分类号： H01M4/13 , C01G45/1242 , C01G45/1257 , C01G51/42 , C01G53/006 , C01G53/04 , C01G53/42 , C01G53/50 , C01G53/54 , C01P2002/32 , C01P2002/52 , C01P2004/20 , C01P2006/40 , H01M4/525 , H01M2004/021
摘要： The present invention provides a cathode active material for a lithium secondary battery containing therein an open pore having a protrusion which is formed so as to extend from the inner surface of the open pore toward the center of the open pore. Specifically, the protrusion is formed so as to extend toward the center of a virtual circle formed by approximating the shape of a cross section of the open pore to a circular shape. The protrusion is formed of the same material as the remaining portion of the cathode active material.
摘要翻译： 本发明提供一种锂二次电池用正极活性物质，其中具有开口孔，所述开口孔具有形成为从所述开孔的内表面朝向所述开孔的中心延伸的突起。 具体而言，突出部形成为朝向通过将开孔的截面形状近似为圆形而形成的虚拟圆的中心延伸。 突起由与阴极活性物质的剩余部分相同的材料形成。
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公开(公告)号：US08815445B2
公开(公告)日：2014-08-26
申请号：US13431062
申请日：2012-03-27
摘要： Provided is a cathode active material for a lithium secondary battery, which can achieve both of excellent rate characteristic and practically sufficient durability (cycle characteristic) in the lithium secondary battery. The cathode active material for a lithium secondary battery includes therein pores. A particle or film of the cathode active material for a lithium secondary battery has formed therein a large number of pores. The inner wall of each of such pores is coated with a conductive film.
摘要翻译： 提供一种用于锂二次电池的阴极活性材料，其可以实现锂二次电池的优异的速率特性和实际上足够的耐久性（循环特性）。 用于锂二次电池的阴极活性材料包括孔。 用于锂二次电池的阴极活性材料的颗粒或膜形成有大量的孔。 每个这样的孔的内壁涂覆有导电膜。
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公开(公告)号：US08790830B2
公开(公告)日：2014-07-29
申请号：US12861013
申请日：2010-08-23
IPC分类号： H01M4/50
CPC分类号： H01M4/525 , C01G45/1242 , C01P2002/32 , C01P2002/52 , C01P2006/12 , C01P2006/40
摘要： A positive electrode active material containing a large number of crystal grains which contain, by 70 areal % or more, primary particles of non-octahedral shape, having particle diameters of 5 to 20 μm, and composed of lithium manganate of spinel structure containing lithium and manganese as the constituent elements.
摘要翻译： 含有大量晶粒的正极活性物质，其含有70重量％以上的非八面体形状的一次粒子，粒径为5〜20μm，由含有锂的尖晶石结构的锰酸锂和 锰作为构成要素。
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