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    Active material and method of manufacturing active material
    3.
    发明授权
    Active material and method of manufacturing active material 有权
    活性物质的制造方法和活性物质的制造方法

    公开(公告)号：US08821763B2

    公开(公告)日：2014-09-02

    申请号：US12568145

    申请日：2009-09-28

    申请人： Atsushi Sano ,  Keitaro Otsuki ,  Yosuke Miyaki ,  Takeshi Takahashi ,  Tohru Inoue ,  Akiji Higuchi

    发明人： Atsushi Sano ,  Keitaro Otsuki ,  Yosuke Miyaki ,  Takeshi Takahashi ,  Tohru Inoue ,  Akiji Higuchi

    IPC分类号： H01M4/48 ,  H01M4/88 ,  H01B11/08 ,  H01M4/58 ,  H01M4/587 ,  H01M4/36 ,  H01M10/0525

    CPC分类号： H01M4/5825 ,  H01M4/366 ,  H01M4/587 ,  H01M10/0525 ,  Y02E60/12

    摘要： An active material capable of forming an electrochemical device excellent in its discharge capacity and rate characteristic is provided. The active material in accordance with a first aspect of the present invention comprises a compound particle containing a compound having a composition represented by the following chemical formula (1), a carbon layer covering the compound particle, and a carbon particle. The active material in accordance with a second aspect of the present invention comprises a carbon particle and a compound particle having an average primary particle size of 0.03 to 1.4 μm, being carried by the carbon particle, and containing a compound represented by the following chemical formula (1): LiaMXO4  (1) where a satisfies 0.9≦a≦2, M denotes one species selected from the group consisting of Fe, Mn, Co, Ni, and VO, and X denotes one species selected from the group consisting of P, Si, S, V, and Ti.

    摘要翻译： 提供能够形成其放电容量和速率特性优异的电化学装置的活性物质。 根据本发明的第一方面的活性材料包含含有具有由以下化学式（1）表示的组成的化合物，覆盖该化合物颗粒的碳层和碳颗粒的化合物颗粒。 根据本发明的第二方面的活性材料包含碳颗粒和平均一次粒径为0.03-1.4μm的由碳颗粒携带的化合物颗粒，并且含有由以下化学式表示的化合物 （1）：LiaMXO4（1）其中a满足0.9＆nlE; a＆nlE; 2，M表示选自Fe，Mn，Co，Ni和VO中的一种，X表示选自以下的一种： P，Si，S，V和Ti。

    Method of manufacturing active material
    4.
    发明授权
    Method of manufacturing active material 有权
    活性物质的制造方法

    公开(公告)号：US08142750B2

    公开(公告)日：2012-03-27

    申请号：US12723041

    申请日：2010-03-12

    申请人： Atsushi Sano ,  Keitaro Otsuki ,  Yosuke Miyaki ,  Takeshi Takahashi ,  Akiji Higuchi

    发明人： Atsushi Sano ,  Keitaro Otsuki ,  Yosuke Miyaki ,  Takeshi Takahashi ,  Akiji Higuchi

    IPC分类号： C01B25/30 ,  H01M4/04 ,  H01M4/1395

    CPC分类号： C01B25/45 ,  H01G11/30 ,  H01M4/131 ,  H01M4/5825 ,  Y02E60/13

    摘要： The present invention provides a method of manufacturing an active material which can form an electrochemical device excellent in discharge capacity. The method of manufacturing an active material in accordance with the present invention comprises a hydrothermal synthesis step of heating a mixture including a lithium compound, a metal compound containing one species selected from the group consisting of Fe, Mn, Co, Ni, and V, a phosphorus compound, and water within a reactor while keeping an internal pressure of the reactor at 0.3 MPa or lower by ventilating the inside of the reactor to the outside, and closing the reactor at a time when the temperature of the mixture reaches 100 to 150° C.; and a firing step of firing the mixture after the hydrothermal synthesis step.

    摘要翻译： 本发明提供一种能够形成放电容量优异的电化学装置的活性物质的制造方法。 根据本发明的制备活性材料的方法包括水热合成步骤，其加热包含锂化合物，含有选自Fe，Mn，Co，Ni和V中的一种的金属化合物的混合物， 磷化合物和反应器内的水，同时通过将反应器内部通风到外部将反应器的内部压力保持在0.3MPa或更低，并且在混合物的温度达到100至150℃时关闭反应器 C。; 以及在水热合成步骤之后焙烧该混合物的焙烧步骤。

    ACTIVE MATERIAL, ELECTRODE CONTAINING THE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE, AND METHOD FOR MAKING ACTIVE MATERIAL
    8.
    发明申请
    ACTIVE MATERIAL, ELECTRODE CONTAINING THE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE, AND METHOD FOR MAKING ACTIVE MATERIAL 有权
    活性材料，包含活性材料的电极，包括电极的锂二次电池，以及制备活性材料的方法

    公开(公告)号：US20130130106A1

    公开(公告)日：2013-05-23

    申请号：US13810464

    申请日：2011-07-12

    申请人： Atsushi Sano ,  Keitaro Otsuki ,  Kouji Tokita ,  Tomohiko Kato ,  Akiji Higuchi

    发明人： Atsushi Sano ,  Keitaro Otsuki ,  Kouji Tokita ,  Tomohiko Kato ,  Akiji Higuchi

    IPC分类号： H01M4/131 ,  H01M4/04

    CPC分类号： H01M4/131 ,  C01B25/45 ,  H01M4/0471 ,  H01M4/5825 ,  H01M10/052

    摘要： To provide an active material from which a sufficient discharge capacity is obtained, an electrode containing the active material, a lithium secondary battery including the electrode, and a method for making an active material. A method for making an active material includes a temperature elevation step of heating a mixture containing a lithium source, a pentavalent vanadium source, a phosphoric acid source, water, and a reductant in a hermetically sealed container at a temperature elevation rate T1 from 25° C. to 110° C. and then at a temperature elevation rate T2 from 110° C. to a designated temperature of 200° C. or more, in which T1>T2; T1=0.5 to 10° C./min; and T2=0.1 to 2.2° C./min.

    摘要翻译： 为了提供从其获得足够的放电容量的活性材料，含有活性材料的电极，包括该电极的锂二次电池以及制造活性材料的方法。 制造活性物质的方法包括：将加热含有锂源，五价钒源，磷酸源，水和还原剂的混合物的温度升高步骤以25℃的升温速度T1在密闭容器中加热 然后在升温速度T2从110℃到200℃或更高的指定温度，其中T1> T2; T1 = 0.5〜10℃/ min; T2 = 0.1〜2.2℃/ min。