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    PARTICULATE MIXTURE, ACTIVE MATERIAL AGGREGATE, CATHODE ACTIVE MATERIAL, CATHODE, SECONDARY BATTERY, AND METHODS FOR PRODUCING THE SAME
    1.
    发明申请
    PARTICULATE MIXTURE, ACTIVE MATERIAL AGGREGATE, CATHODE ACTIVE MATERIAL, CATHODE, SECONDARY BATTERY, AND METHODS FOR PRODUCING THE SAME 审中-公开
    颗粒混合物，活性材料聚集体，阴极活性材料，阴极，二次电池及其生产方法

    公开(公告)号：US20140166928A1

    公开(公告)日：2014-06-19

    申请号：US14185931

    申请日：2014-02-21

    Applicant: FURUKAWA ELECTRIC CO., LTD.

    Inventor： Michio OHKUBO ,  Takeshi YAGI ,  Michihiro SHIMADA ,  Naoki UNO ,  Yosuke HIRAYAMA ,  Takeshi NISHIMURA ,  Toshio TANI

    IPC: C01B33/32

    CPC classification number: C01B33/32 ,  B82Y30/00 ,  C01B33/12 ,  C01B33/18 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/62 ,  C01P2004/64 ,  H01M4/5825 ,  H01M10/052 ,  Y02T10/7011

    Abstract: A particulate mixture etc., which can be used as a precursor of lithium transition metal silicate-type compound of small particle size and low crystallinity, is provided. Further, a cathode active material that can undergo charge-and-discharge reaction in room temperature, and comprises lithium transition metal silicate-type compound, is provided.It is a mixture of silicon oxide particulates, transition metal oxide particulates, and lithium transition metal silicate particulates, and its powder X-ray diffraction measurement shows diffraction peaks near 2θ=33.1° and near 2θ=35.7°, and said silicon oxide particulates and said transition metal oxide particulates are amorphous, and said lithium transition metal silicate particulates are in a microcrystalline or amorphous state. Furthermore, a cathode active material obtained by grinding the active material aggregate obtained by heat-treating this particulate mixture is provided.

    Abstract translation: 提供了可用作小粒径和低结晶度的锂过渡金属硅酸盐型化合物的前体的颗粒状混合物等。 此外，提供了可以在室温下进行充放电反应并且包含锂过渡金属硅酸盐型化合物的正极活性物质。 它是氧化硅颗粒，过渡金属氧化物颗粒和锂过渡金属硅酸盐颗粒的混合物，其粉末X射线衍射测量显示在2附近的衍射峰= 33.1°和接近2θ= 35.7°，并且所述氧化硅 微粒和所述过渡金属氧化物颗粒是无定形的，并且所述锂过渡金属硅酸盐颗粒是微晶态或非晶状态。 此外，提供通过研磨通过热处理该颗粒混合物而获得的活性物质聚集体获得的阴极活性材料。

    POROUS SILICON PARTICLES AND COMPLEX POROUS SILICON PARTICLES, AND METHOD FOR PRODUCING BOTH
    2.
    发明申请
    POROUS SILICON PARTICLES AND COMPLEX POROUS SILICON PARTICLES, AND METHOD FOR PRODUCING BOTH 有权
    多孔硅颗粒和复合多孔硅颗粒及其生产方法

    公开(公告)号：US20130196158A1

    公开(公告)日：2013-08-01

    申请号：US13797326

    申请日：2013-03-12

    Applicant: FURUKAWA ELECTRIC CO., LTD.

    Inventor： Hirokazu YOSHIDA ,  Kazutomi MIYOSHI ,  Kazuhiko KURUSU ,  Toshio TANI ,  Koji HATAYA ,  Takeshi NISHIMURA ,  Hidemi KATO ,  Takeshi WADA

    IPC: H01M4/04 ,  H01M4/38

    CPC classification number: H01M4/0495 ,  H01M4/364 ,  H01M4/386 ,  Y10T428/131 ,  Y10T428/2982 ,  Y10T428/2991 ,  Y10T428/2993

    Abstract: Porous silicon particles and complex porous silicon particles suitable for negative electrode materials etc. for lithium-ion batteries, which achieve high capacity and good cycling characteristics, are provided. Porous silicon particles formed by the joining of a plurality of silicon microparticles, and having an average particle diameter of 0.1 μm to 1000 μm, a three-dimensional network structure having continuous gaps, an average porosity of 15 to 93%, and a structure in which the particles of a whole particle are uniform. Complex porous silicon particles formed by the joining of a plurality of silicon microparticles and a plurality of silicon compound particles, and characterized by containing a compound of silicon and composite elements, having an average particle diameter of 0.1 μm to 1000 μm, and having a three-dimensional network structure having continuous gaps.

    Abstract translation: 提供适用于实现高容量和良好循环特性的锂离子电池的负极材料等的多孔硅粒子和复合多孔硅粒子。 通过多个硅微粒的接合而形成的多孔硅颗粒，平均粒径为0.1〜1000μm，具有连续间隙的三维网状结构，15〜93％的平均孔隙率和 整个颗粒的颗粒是均匀的。 通过多个硅微粒与多个硅化合物粒子的接合而形成的复合多孔硅粒子，其特征在于，含有平均粒径为0.1〜1000μm的硅和复合元素的化合物，并具有3个 具有连续间隙的维度网络结构。

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