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    Positive battery electrodes and positive electrode fabrication methods
    2.
    发明申请
    Positive battery electrodes and positive electrode fabrication methods 审中-公开
    正电池电极和正极制造方法

    公开(公告)号：US20060147796A1

    公开(公告)日：2006-07-06

    申请号：US11314816

    申请日：2005-12-21

    申请人： Tamaki Miura ,  Junji Katamura ,  Mikio Kawai

    发明人： Tamaki Miura ,  Junji Katamura ,  Mikio Kawai

    IPC分类号： H01M4/02 ,  H01M4/62

    CPC分类号： H01M4/131 ,  H01M4/0404 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

    摘要： The disclosure relates to positive electrodes for storage cells including a ground positive electrode active material and a conductivity enhancement additive, wherein the ground positive electrode active material exhibits a specific surface area of 5 m2/g or greater, a crystallite diameter of 70 nanometers or less, and a 50% cumulative particle diameter of 1 micrometer or less. The disclosure further relates to storage batteries including positive electrodes having ground positive electrode active material, and battery modules including multiple electrically connected batteries, each battery including one or more storage cells having a positive electrode including ground positive electrode active material. The disclosure also relates to methods of fabricating storage cells and batteries with positive electrodes having ground positive electrode active material. Storage cells according to some embodiments of the invention may have applications for motor vehicle batteries, particularly for electrically powered automobiles.

    摘要翻译： 本发明涉及包含研磨的正极活性物质和导电性增强添加剂的储存电池用正极，其中研磨的正极活性物质的比表面积为5m 2 / g以上， 微晶直径为70纳米以下，50％累积粒径为1微米以下。 本发明还涉及包括具有接地正极活性物质的正电极和包括多个电连接电池的电池模块的蓄电池，每个电池包括一个或多个具有包括研磨的正极活性材料的正极的存储单元。 本公开还涉及制造具有研磨的正极活性材料的具有正电极的储存电池和电池的方法。 根据本发明的一些实施例的存储单元可以具有用于机动车辆电池的应用，特别是用于电动汽车的应用。

    COMPOSITE POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY AND BATTERY USING THE SAME
    5.
    发明申请
    COMPOSITE POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY AND BATTERY USING THE SAME 有权
    用于锂离子电池的复合阳极电极材料及其使用的电池

    公开(公告)号：US20100140554A1

    公开(公告)日：2010-06-10

    申请号：US12305914

    申请日：2007-06-27

    申请人： Kazuo Oki ,  Yasuhisa Fukumoto ,  Ryuichi Akagi ,  Kenichi Nishimura ,  Taketo Kaneko ,  Tamaki Miura ,  Takamitsu Saito ,  Mikio Kawai

    发明人： Kazuo Oki ,  Yasuhisa Fukumoto ,  Ryuichi Akagi ,  Kenichi Nishimura ,  Taketo Kaneko ,  Tamaki Miura ,  Takamitsu Saito ,  Mikio Kawai

    IPC分类号： H01B1/20

    CPC分类号： H01M4/505 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/621 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/021 ,  Y02T10/7011

    摘要： Disclosed is a composite positive electrode material for lithium ion batteries, which especially enables to achieve excellent high-rate discharge characteristics in a battery. Also disclosed are a slurry, positive electrode and battery using such a composite positive electrode material. Specifically disclosed is a composite positive electrode material for lithium ion batteries, which contains a positive electrode active material (a), a conductive substance (b) having a primary particle diameter of 10-100 nm and/or a fibrous conductive substance (c) having a fiber diameter of from 1 nm to 1 μm, and a conductive substance (d) having an aspect ratio of 2-50. This composite positive electrode material for lithium ion batteries is obtained by mixing the conductive substance (d) with a composition containing the positive electrode active material (a), the conductive substance (b) and/or the conductive substance (c), which composition is obtained by dispersing the positive electrode active material (a), the conductive substance (b) and/or the conductive substance (c) in a solvent to a state where they are forcibly dispersed, and then agglutinating them.

    摘要翻译： 公开了一种用于锂离子电池的复合正极材料，其特别能够在电池中实现优异的高速率放电特性。 还公开了使用这种复合正极材料的浆料，正极和电池。 具体公开了包含正极活性物质（a），一次粒径为10〜100nm的导电物质（b）和/或纤维状导电性物质（c））的锂离子电池用复合正极材料， 纤维直径为1nm〜1μm，长径比为2-50的导电性物质（d）。 这种锂离子电池用复合正极材料通过将导电性物质（d）与含有正极活性物质（a），导电性物质（b）和/或导电性物质（c）的组合物混合而获得，该组合物 通过将正极活性物质（a），导电性物质（b）和/或导电性物质（c）分散在溶剂中而成为强制分散状态，然后使其凝集而得到。

    Positive electrode active material sintered body for battery
    6.
    发明授权
    Positive electrode active material sintered body for battery 有权
    电池用正极活性物质烧结体

    公开(公告)号：US08465872B2

    公开(公告)日：2013-06-18

    申请号：US12595088

    申请日：2008-04-07

    申请人： Ryuichi Akagi ,  Kenichi Nishimura ,  Yasuhisa Fukumoto ,  Kyoichi Watanabe ,  Tamaki Miura ,  Takamitsu Saito

    发明人： Ryuichi Akagi ,  Kenichi Nishimura ,  Yasuhisa Fukumoto ,  Kyoichi Watanabe ,  Tamaki Miura ,  Takamitsu Saito

    IPC分类号： H01M4/58 ,  H01M4/02

    CPC分类号： H01M4/131 ,  C01G45/1228 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/17 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021

    摘要： The positive electrode active material sintered body for a battery of the present invention is a positive electrode active material sintered body for a battery satisfying the following requirements (I) to (VII): (I) fine particles in a positive electrode active material are sintered to constitute the sintered body; (II) a peak pore diameter which provides a maximum differential pore volume value in a pore diameter range of 0.01 to 10 μm in a pore distribution is 0.3 to 5 μm; (III) a total pore volume is 0.1 to 1 cc/g; (IV) an average particle diameter is not less than the peak pore diameter and not more than 20 μm; (V) any peak, which provides a differential pore volume value of not less than 10% of the maximum differential pore volume value, is not present on a smaller pore diameter side than the peak pore diameter in the pore distribution; (VI) a BET specific surface area is 1 to 6 m2/g; and (VII) a full width at half maximum of a strongest X-ray diffraction peak is 0.13 to 0.2.

    摘要翻译： 本发明的电池用正极活性物质烧结体是满足下述（I）〜（VII）的要求的电池用正极活性物质烧结体：（I）将正极活性物质中的微粒烧结 构成烧结体; （II）在孔分布中在0.01〜10μm的孔径范围内提供最大微孔容积值的峰值孔径为0.3〜5μm; （III）总孔体积为0.1〜1cc / g; （IV）平均粒径不小于峰值孔径且不大于20μm; （V）提供不小于最大微分孔体积值的10％的不同孔体积值的任何峰不存在于比孔分布中的峰值孔径更小的孔径侧上; （VI）BET比表面积为1〜6m 2 / g; 和（VII）最强X射线衍射峰的半峰全宽为0.13〜0.2。

    SINTERED LITHIUM COMPLEX OXIDE
    8.
    发明申请
    SINTERED LITHIUM COMPLEX OXIDE 审中-公开
    烧结的锂复合氧化物

    公开(公告)号：US20110206990A1

    公开(公告)日：2011-08-25

    申请号：US13126024

    申请日：2009-10-07

    申请人： Ryuichi Akagi ,  Hiroaki Kitayama ,  Yoshinobu Ishikawa ,  Kenichi Nishimura ,  Takamitsu Saito ,  Tamaki Miura ,  Hiroshi Miyakubo

    发明人： Ryuichi Akagi ,  Hiroaki Kitayama ,  Yoshinobu Ishikawa ,  Kenichi Nishimura ,  Takamitsu Saito ,  Tamaki Miura ,  Hiroshi Miyakubo

    IPC分类号： H01M4/485 ,  C01D1/02 ,  C01G45/12 ,  C01G53/04 ,  C01G51/04

    CPC分类号： H01M4/1391 ,  C01G45/1228 ,  C01G51/42 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  H01M4/02 ,  H01M4/0471 ,  H01M4/485 ,  H01M2004/021

    摘要： A sintered lithium complex oxide characterized in that the sintered lithium complex oxide is constituted by sintering fine particles of a lithium complex oxide, the peak pore size giving the maximum differential pore volume is 0.80-5.00 μm, the total pore volume is 0.10-2.00 mL/g, the average particle size is not less than the above-specified peak pore size but not more than 20 μm, there is a sub-peak giving a differential pore volume not less than 10% of the maximum differential pore volume on the smaller pore size side with respect to the above-specified peak pore size, the pore size corresponding to the sub-peak is more than 0.50 μm but not more than 2.00 μm, the BET specific surface area of the sintered lithium complex oxide is 1.0-10.0 m2/g, and the half width of the maximum peak among X-ray diffraction peaks in an X-ray diffraction measurement is 0.12-0.30 deg.

    摘要翻译： 一种烧结锂复合氧化物，其特征在于，烧结锂复合氧化物是通过烧结锂复合氧化物的细颗粒构成的，提供最大微孔容积的峰值孔径为0.80-5.00μm，总孔体积为0.10-2.00mL / g，平均粒径不小于上述规定的峰值孔径但不大于20μm，具有不小于最大微孔容积的10％的微孔容积的次峰值在较小的 相对于上述规定的峰值孔径的孔径侧，与亚峰对应的孔径大于0.50μm且不大于2.00μm，烧结的锂复合氧化物的BET比表面积为1.0〜10.0 m 2 / g，X射线衍射测定中的X射线衍射峰中的最大峰的半值宽度为0.12-0.30度。

    COMPOSITE MATERIAL FOR POSITIVE ELECTRODE OF LITHIUM BATTERY
    9.
    发明申请
    COMPOSITE MATERIAL FOR POSITIVE ELECTRODE OF LITHIUM BATTERY 有权
    锂电池正极电极复合材料

    公开(公告)号：US20100248034A1

    公开(公告)日：2010-09-30

    申请号：US12745873

    申请日：2008-12-03

    申请人： Kazuo Oki ,  Minoru Sawai ,  Hiroaki Kitayama ,  Takamitsu Saito ,  Tamaki Miura ,  Kyoichi Watanabe

    发明人： Kazuo Oki ,  Minoru Sawai ,  Hiroaki Kitayama ,  Takamitsu Saito ,  Tamaki Miura ,  Kyoichi Watanabe

    IPC分类号： H01M4/583 ,  H01M4/88

    CPC分类号： H01M4/13 ,  H01M4/02 ,  H01M4/139 ,  H01M4/364 ,  H01M4/622 ,  H01M4/625 ,  H01M2004/021 ,  H01M2004/028

    摘要： The present invention provides a composite material for positive electrodes of lithium batteries, which provides a lithium battery having excellent high rate electrical discharge characteristics, has a sufficiently secured diffusion passage for Li, and has high conductivity, a process for producing the same, as well as a positive electrode and a battery using the composite material for positive electrodes of lithium batteries. The present invention relates to a composite material for positive electrodes of lithium batteries, comprising composite particles containing positive electrode active material particles and fibrous carbons, wherein the composite particles have a form in which the positive electrode active material particles are supported by the fibrous carbons.

    摘要翻译： 本发明提供一种锂电池正极复合材料，其提供具有优异的高放电特性的锂电池，具有充分确保的Li的扩散通道，并且具有高的导电性，以及其制造方法 作为正极和使用锂电池用正极复合材料的电池。 本发明涉及一种锂电池正极复合材料，其包含含有正极活性物质粒子和纤维状碳的复合粒子，其中复合粒子具有正极活性物质粒子被纤维状碳负担的形式。

    Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same
    10.
    发明申请
    Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same 审中-公开
    非水电解质二次电池用正极及使用其的非水电解质二次电池

    公开(公告)号：US20080070119A1

    公开(公告)日：2008-03-20

    申请号：US11896864

    申请日：2007-09-06

    申请人： Tamaki Miura ,  Yasuhiko Ohsawa

    发明人： Tamaki Miura ,  Yasuhiko Ohsawa

    IPC分类号： H01M4/58

    CPC分类号： H01M4/131 ,  H01M4/364 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  Y02E60/122 ,  Y02T10/7011

    摘要： A positive electrode for a non-aqueous electrolyte secondary battery of the present invention has: a current collector; and a positive electrode active material layer formed on the current collector. The positive electrode active material layer contains, as positive electrode active materials, spinel lithium manganate, and a composite oxide represented by the following formula (1): LiCovNixMnyMzO2   (1) where v+x+y+z=1, M is any one selected from the group consisting of aluminum, gallium and indium, 0≦v≦0.5, 0.3≦x≦1, 0≦y≦0.5 and 0≦z≦0.1. Further, an average particle diameter of the composite oxide is larger than an average particle diameter of the spinel lithium manganate.

    摘要翻译： 本发明的非水电解质二次电池用正极具有：集电体; 以及形成在集电体上的正极活性物质层。 正极活性物质层含有作为正极活性物质的尖晶石锰酸锂和由下式（1）表示的复合氧化物：<？在线式描述=“在线式”末端=“铅 （ⅰ）Ni Ni x x x x O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O ）其中v + x + y + z = 1，M是从由铝，镓和铟组成的组中选择的任意一种， 0 <= v <= 0.5,0.3 <= x <=1,0,0≤y≤0.5且0≤z≤0.1。 此外，复合氧化物的平均粒径大于尖晶石锰酸锂的平均粒径。