公开(公告)号：US20130045156A1

公开(公告)日：2013-02-21

申请号：US13570405

申请日：2012-08-09

申请人： Kuniharu Nomoto ,  Nobuhiro Inoue ,  Mikio Yukawa ,  Tatsuya Ikenuma

发明人： Kuniharu Nomoto ,  Nobuhiro Inoue ,  Mikio Yukawa ,  Tatsuya Ikenuma

IPC分类号： C01B31/02 ,  C07C51/16 ,  C07C51/29 ,  C07C51/305 ,  C07C233/64 ,  C07C63/42 ,  C07C39/235 ,  C07C231/10 ,  C07C37/64 ,  B82Y30/00 ,  B82Y40/00

CPC分类号： B82Y40/00 ,  B82Y30/00 ,  C01B32/192 ,  C01B32/23 ,  H01M4/366 ,  H01M4/625 ,  H01M10/0525

摘要： A first precipitate is formed by mixing graphite and an oxidizer containing an alkali metal salt in a solution. Next, a second precipitate is formed by ionizing the oxidizer which is included in the first precipitate, with an acid solution, and removing the oxidizer from the first precipitate. Then, a dispersion liquid in which graphene oxide is dispersed is prepared by mixing the second precipitate and water to form a mixed solution and then applying ultrasonic waves to the mixed solution or mechanically stirring the mixed solution, so that the graphene oxide is separated from graphite oxide that is the graphite which is included in the second precipitate and oxidized. Next, graphene oxide salt is formed by mixing the dispersion liquid, a basic solution, and an organic solvent and reacting the graphene oxide included in the dispersion liquid and a base included in the basic solution to each other.

摘要翻译： 通过在溶液中混合石墨和含有碱金属盐的氧化剂来形成第一沉淀物。 接下来，通过用酸溶液离子化包含在第一沉淀物中的氧化剂，并从第一沉淀物中除去氧化剂，形成第二沉淀物。 然后，通过将第二沉淀物和水混合以形成混合溶液，然后向混合溶液中施加超声波或机械搅拌混合溶液，制备分散有石墨烯氧化物的分散液，使得氧化石墨烯与石墨烯分离 氧化物，其是包含在第二沉淀中并被氧化的石墨。 接着，通过将分散液，碱性溶液和有机溶剂混合并使包含在分散液中的石墨烯和基础溶液中所含的碱彼此反应形成氧化石墨烯盐。

公开(公告)号：US20130047423A1

公开(公告)日：2013-02-28

申请号：US13595024

申请日：2012-08-27

申请人： Takuya MIWA ,  Kuniharu Nomoto ,  Nobuhiro Inoue

发明人： Takuya MIWA ,  Kuniharu Nomoto ,  Nobuhiro Inoue

IPC分类号： H01M10/04 ,  H01M4/04 ,  B82Y30/00

CPC分类号： H01G9/042 ,  B82Y30/00 ,  H01M4/5825 ,  H01M4/622 ,  H01M4/625 ,  H01M10/04 ,  Y10T29/417 ,  Y10T29/49115

摘要： At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained.

公开(公告)号：US08470477B2

公开(公告)日：2013-06-25

申请号：US13595024

申请日：2012-08-27

申请人： Takuya Miwa ,  Kuniharu Nomoto ,  Nobuhiro Inoue

发明人： Takuya Miwa ,  Kuniharu Nomoto ,  Nobuhiro Inoue

IPC分类号： H01M4/13 ,  H01M4/88

CPC分类号： H01G9/042 ,  B82Y30/00 ,  H01M4/5825 ,  H01M4/622 ,  H01M4/625 ,  H01M10/04 ,  Y10T29/417 ,  Y10T29/49115

摘要： At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained.

摘要翻译： 含有锂的水溶液A，含有铁，锰，钴或镍的水溶液B和含有磷酸的水溶液C中的至少一种包括氧化石墨烯。 将水溶液A滴入水溶液C中，制备包含析出物D的混合溶液E。 将混合溶液E滴加到水溶液B中，从而制备包含沉淀物F的混合溶液G. 混合溶液G在加压气氛中进行热处理，制备混合溶液H，然后过滤混合溶液H. 因此，获得了具有小尺寸的含有锂和氧的化合物的颗粒。

公开(公告)号：US09252419B2

公开(公告)日：2016-02-02

申请号：US13602350

申请日：2012-09-04

申请人： Takuya Miwa ,  Nobuhiro Inoue ,  Kuniharu Nomoto ,  Junpei Momo

发明人： Takuya Miwa ,  Nobuhiro Inoue ,  Kuniharu Nomoto ,  Junpei Momo

IPC分类号： H01M4/131 ,  H01M4/04 ,  C01B25/30 ,  C01B25/45 ,  C01B31/04 ,  H01M4/485 ,  H01M4/583

CPC分类号： H01M4/366 ,  C01B25/306 ,  C01B25/45 ,  C01B32/23 ,  C01P2006/40 ,  C30B7/10 ,  C30B29/14 ,  H01M4/04 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/1397 ,  H01M4/485 ,  H01M4/583 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/028 ,  Y02P70/54

摘要： Occlusion and release of lithium ion are likely to one-dimensionally occur in the b-axis direction of a crystal in a lithium-containing composite oxide having an olivine structure. Thus, a positive electrode in which the b-axes of lithium-containing composite oxide single crystals are oriented vertically to a surface of a positive electrode current collector is provided. The lithium-containing composite oxide particles are mixed with graphene oxide and then pressure is applied thereto, whereby the rectangular parallelepiped or substantially rectangular parallelepiped particles are likely to slip. In addition, in the case where the rectangular parallelepiped or substantially rectangular parallelepiped particles whose length in the b-axis direction is shorter than those in the a-axis direction and the c-axis direction are used, when pressure is applied in one direction, the b-axes can be oriented in the one direction.

摘要翻译： 具有橄榄石结构的含锂复合氧化物中的结晶的b轴方向的锂离子的闭塞和释放容易发生一维的变化。 因此，提供了含锂复合氧化物单晶的b轴与正极集电体的表面垂直取向的正极。 将含锂复合氧化物颗粒与氧化石墨烯混合，然后施加压力，由此长方体或大致长方体的颗粒容易滑动。 此外，在使用长度方向的长轴方向的长方体或长方形的长方体的长度比a轴方向和c轴方向短的情况下，在一个方向施加压力的情况下， b轴可以在一个方向上定向。

公开(公告)号：US20120308894A1

公开(公告)日：2012-12-06

申请号：US13484299

申请日：2012-05-31

申请人： Teppei Oguni ,  Takeshi Osada ,  Toshihiko Takeuchi ,  Kuniharu Nomoto ,  Kiyofumi Ogino ,  Hiroatsu Todoriki ,  Junpei Momo ,  Nobuhiro Inoue

发明人： Teppei Oguni ,  Takeshi Osada ,  Toshihiko Takeuchi ,  Kuniharu Nomoto ,  Kiyofumi Ogino ,  Hiroatsu Todoriki ,  Junpei Momo ,  Nobuhiro Inoue

IPC分类号： H01M4/583 ,  H01G7/00 ,  H01G9/04 ,  H01M4/04

CPC分类号： H01M4/364 ,  H01M4/134 ,  H01M4/386 ,  H01M10/0525 ,  Y10T29/43 ,  Y10T29/49115

摘要： A negative electrode and a power storage device are provided, which have one of an alloy-based particle and an alloy-based whisker and a carbon film including 1 to 50 graphene layers. A surface of the alloy-based particle or the alloy-based whisker is covered with the carbon film. In addition, a method of manufacturing a negative electrode and a method of manufacturing a power storage device are provided, which have the step of mixing an alloy-based particle or an alloy-based whisker with graphene oxide, and the step of heating the mixture in a vacuum or in a reducing atmosphere.

摘要翻译： 提供一种负极和蓄电装置，其具有合金基颗粒和合金基晶须中的一种以及包含1至50个石墨烯层的碳膜。 合金基颗粒或合金基晶须的表面被碳膜覆盖。 此外，提供了制造负极的方法和制造蓄电装置的方法，其具有将合金基颗粒或合金基晶须与氧化石墨烯混合的步骤，以及加热混合物的步骤 在真空或还原气氛中。

公开(公告)号：US09490474B2

公开(公告)日：2016-11-08

申请号：US13248700

申请日：2011-09-29

申请人： Kuniharu Nomoto ,  Takuya Miwa ,  Masaki Yamakaji ,  Takahiro Kawakami

发明人： Kuniharu Nomoto ,  Takuya Miwa ,  Masaki Yamakaji ,  Takahiro Kawakami

IPC分类号： H01M4/04 ,  H01M4/1397 ,  H01M4/36 ,  H01M4/58 ,  H01M4/62 ,  H01M4/136

CPC分类号： H01M4/1397 ,  H01M4/0433 ,  H01M4/0471 ,  H01M4/136 ,  H01M4/366 ,  H01M4/38 ,  H01M4/5825 ,  H01M4/625 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

摘要： An energy storage device having high capacity per weight or volume and a positive electrode active material for the energy storage device are manufactured. A surface of a main material included in the positive electrode active material for the energy storage device is coated with two-dimensional carbon. The main material included in the positive electrode active material is coated with a highly conductive material which has a structure expanding two-dimensionally and whose thickness is ignorable, whereby the amount of carbon coating can be reduced and an energy storage device having capacity close to theoretical capacity can be obtained even when a conduction auxiliary agent is not used or the amount of the conduction auxiliary agent is extremely small. Accordingly, the amount of carbon coating in a positive electrode and the volume of the conduction auxiliary agent can be reduced; consequently, the volume of the positive electrode can be reduced.

摘要翻译： 制造具有高容量/重量或体积的储能装置和用于储能装置的正极活性物质。 包含在能量储存装置的正极活性物质中的主要材料的表面涂覆有二维碳。 包含在正极活性物质中的主要材料涂覆有具有二维膨胀并且其厚度可忽略的结构的高导电性材料，由此可以减少碳涂层的量，并且具有接近理论的容量的储能装置 即使不使用导电助剂或导电助剂的量极少，也可以获得容量。 因此，可以减少正极中的碳涂覆量和导电助剂的体积; 因此，可以减小正极的体积。

公开(公告)号：US09118077B2

公开(公告)日：2015-08-25

申请号：US13588225

申请日：2012-08-17

申请人： Takuya Miwa ,  Kuniharu Nomoto ,  Junpei Momo

发明人： Takuya Miwa ,  Kuniharu Nomoto ,  Junpei Momo

IPC分类号： H01M4/00 ,  H01M4/58 ,  C01B25/45

CPC分类号： H01M4/5825 ,  C01B25/45 ,  Y10T29/49108

摘要： An object is to reduce variation in shape of crystals that are to be manufactured. Raw materials are each weighed, solutions containing the respective raw materials are formed in an environment where an oxygen concentration is lower than that in air, the solutions containing the respective raw materials are mixed in an environment where an oxygen concentration is lower than that in air to form a mixture solution, and with use of the mixture solution, a composite oxide is formed by a hydrothermal method.

摘要翻译： 目的是减少要制造的晶体的形状变化。 原料各称量，在氧浓度低于空气的环境中形成含有各原料的溶液，将含有各原料的溶液在氧浓度低于空气中的环境中混合 形成混合溶液，使用该混合溶液，通过水热法形成复合氧化物。

公开(公告)号：US09249524B2

公开(公告)日：2016-02-02

申请号：US13588251

申请日：2012-08-17

申请人： Takuya Miwa ,  Kuniharu Nomoto ,  Junpei Momo

发明人： Takuya Miwa ,  Kuniharu Nomoto ,  Junpei Momo

IPC分类号： C01B25/00 ,  C30B7/10 ,  C01D15/02 ,  C01G45/00 ,  C01G49/00 ,  C01G51/00 ,  C01G53/00 ,  C30B29/14 ,  H01M4/58

CPC分类号： H01M4/5825 ,  C01D15/02 ,  C01G45/006 ,  C01G49/009 ,  C01G51/006 ,  C01G53/006 ,  C30B7/10 ,  C30B29/14 ,  H01M4/364 ,  H01M4/587 ,  H01M2004/028 ,  H01M2220/30

摘要： An object is to reduce variation in shape of crystals that are to be formed. Solutions containing respective raw materials are made in an environment where an oxygen concentration is lower than that in air, the solutions containing the respective raw materials are mixed in an environment where an oxygen concentration is lower than that in air to form a mixture solution, and with use of the mixture solution, a composite oxide is formed by a hydrothermal method.

摘要翻译： 目的是减少要形成的晶体的形状变化。 含有各种原料的溶液在氧气浓度低于空气的环境中制备，将含有各原料的溶液在氧浓度低于空气中的溶液中混合形成混合溶液， 使用混合溶液，通过水热法形成复合氧化物。

公开(公告)号：US20120177842A1

公开(公告)日：2012-07-12

申请号：US13339486

申请日：2011-12-29

申请人： Mayumi MIKAMI ,  Takuya Miwa ,  Kuniharu Nomoto ,  Takeshi Osada

发明人： Mayumi MIKAMI ,  Takuya Miwa ,  Kuniharu Nomoto ,  Takeshi Osada

IPC分类号： B05D5/12

CPC分类号： H01M4/1397 ,  H01M4/36 ,  H01M4/366 ,  H01M4/58 ,  H01M4/5825 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49108 ,  Y10T29/49115

摘要： The power extraction efficiency of a nonaqueous electrolyte secondary battery such as a lithium ion battery is improved. A material having magnetic susceptibility anisotropy such as an olivine type oxide including a transition metal element is used for active material particles. The active material particles and an electrolyte solution are mixed to form a slurry. The slurry is applied to a current collector, and then the current collector is left in a magnetic field. Thus, the active material particles are oriented. With the use of active material particles oriented in such a manner, the power extraction efficiency can be improved.

摘要翻译： 提高锂离子电池等非水电解质二次电池的功率提取效率。 使用具有磁化率各向异性的材料，例如包含过渡金属元素的橄榄石型氧化物作为活性物质颗粒。 将活性物质粒子和电解液混合形成浆料。 将浆料施加到集电体上，然后将集电体置于磁场中。 因此，活性物质颗粒被取向。 通过使用以这种方式取向的活性材料颗粒，可以提高功率提取效率。

公开(公告)号：US09343241B2

公开(公告)日：2016-05-17

申请号：US13569411

申请日：2012-08-08

申请人： Junpei Momo ,  Hiroatsu Todoriki ,  Kuniharu Nomoto

发明人： Junpei Momo ,  Hiroatsu Todoriki ,  Kuniharu Nomoto

IPC分类号： H01G11/32 ,  H01M4/587 ,  H01M10/052 ,  H01M12/00 ,  H01M2/34 ,  H01M4/02

CPC分类号： H01G11/32 ,  H01G11/06 ,  H01G11/34 ,  H01G11/38 ,  H01G11/40 ,  H01G11/42 ,  H01G11/52 ,  H01G11/56 ,  H01G11/66 ,  H01G11/74 ,  H01G11/78 ,  H01G11/86 ,  H01M2/348 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/587 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/058 ,  H01M12/005 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2220/20 ,  H01M2220/30 ,  Y02E60/122 ,  Y02E60/13 ,  Y02P70/54 ,  Y02T10/7011 ,  Y02T10/7022

摘要： A power storage device with high output is provided, in which the specific surface area is increased while keeping the easy-to-handle particle size of its active material. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte. The negative electrode active material layer includes a negative electrode active material having a plurality of graphite particles. Each of the graphite particles consists of graphite layers that are overlapped with each other with a gap of 1 nm to 10 nm therebetween. It is preferable that the grain diameter of the particle be 1 μm to 50 μm. Further, the specific surface area of the particles is 20 m2/g to 200 m2/g.

摘要翻译： 提供具有高输出功率的蓄电装置，其中比表面积增加同时保持其活性材料的易于处理的粒度。 蓄电装置具备包括正极集电体和正极活性物质层的正极，负极集电体和负极活性物质层的负极以及电解质。 负极活性物质层包括具有多个石墨粒子的负极活性物质。 每个石墨颗粒由彼此重叠的石墨层组成，其间具有1nm至10nm的间隙。 粒子的粒径优选为1μm〜50μm。 此外，粒子的比表面积为20m 2 / g〜200m 2 / g。