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    Method of producing an electrode for non-aqueous electrolytic secondary cells
    31.
    发明授权
    Method of producing an electrode for non-aqueous electrolytic secondary cells 有权
    制造非水电解质二次电池用电极的方法

    公开(公告)号：US06428841B1

    公开(公告)日：2002-08-06

    申请号：US09701182

    申请日：2000-11-27

    Applicant: Tadayoshi Iijima ,  Shigeo Kurose ,  Satoshi Nagura ,  Masami Hara ,  Yukinori Hato

    Inventor： Tadayoshi Iijima ,  Shigeo Kurose ,  Satoshi Nagura ,  Masami Hara ,  Yukinori Hato

    IPC: B05D512

    CPC classification number: H01M4/0416 ,  H01M4/04 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/0411 ,  H01M4/043 ,  H01M4/0435 ,  H01M4/133 ,  H01M4/137 ,  H01M4/1393 ,  H01M4/587 ,  H01M4/60 ,  H01M4/602 ,  H01M4/62 ,  H01M4/621 ,  H01M4/625 ,  H01M10/0525

    Abstract: A method of producing an electrode for non-aqueous electrolytic cells comprising forming on a collector an electrode active substance layer comprising an active substance composed of polymer carbon, a conductive agent composed of graphite showing a flake form, and a binder, characterized in that when the specific surface area of the active substance as measured by the BET method is denoted by Sa, the compounded weight thereof at the time of kneading by Wa, the specific surface area of the graphite as measured by the BET method by Sg, and the compounded weight thereof at the time of kneading by Wg, the mixture is kneaded by a kneading device under conditions satisfying the following equation: Wa/wg≧2 0.5·Sg/Sa, thereby making it possible to obtain an electrode for non-aqueous electrolytic cells improved in charge and discharge characteristics such as discharge potential, discharge capacity and charge and discharge cycle life.

    Abstract translation: 一种非水电解槽电极的制造方法，其特征在于，在集电体上形成包含由聚合物碳构成的活性物质的电极活性物质层，由表示片状的石墨构成的导电剂和粘合剂，其特征在于， 通过BET法测定的活性物质的比表面积由Sa表示，通过Wa的捏合时的配合重量，通过BET法用Sg测定的石墨的比表面积， 在通过Wg捏合时的重量，通过捏合装置在满足以下等式的条件下捏合该混合物：从而可以获得提高诸如放电电位等放电特性的非水电解质电极， 放电容量和充放电循环寿命。

    Electrode for non-aqueous electrolytic cells
    33.
    发明授权
    Electrode for non-aqueous electrolytic cells 有权
    非水电解槽电极

    公开(公告)号：US06300012B1

    公开(公告)日：2001-10-09

    申请号：US09424238

    申请日：1999-11-29

    Applicant: Tadayoshi Iijima ,  Shigeo Kurose ,  Tetsuya Takahashi

    Inventor： Tadayoshi Iijima ,  Shigeo Kurose ,  Tetsuya Takahashi

    IPC: H01M458

    CPC classification number: H01M4/13 ,  H01M4/625

    Abstract: This invention is an electrode for a non-aqueous electrolytic cell, in which a collector is coated with an electrode active material layer comprising an active material, flake graphite and a binder, which is characterized by that the central particle size of the graphite is larger than that of the active material, and the following equation is satisfied, when the particle size of the active material is taken as r, the particle size distribution of the active material as f(r), the density of the active material as d, the specific surface area according to the BET method of the graphite as Sg, and the weight of the active material in an electrode coating film as Mg, and provides an electrode for a secondary cell which can give high capacity to the cell and enhance the flexibility of the cell: 9 · Ma d ⁢ ∫ 0 ∞ ⁢ f ⁢ ( r ) r ⁢   ⁢ ⅆ r ≦ Mg · Sg

    Abstract translation: 本发明是一种非水电解槽电极，其中集电体涂覆有包含活性材料，片状石墨和粘合剂的电极活性材料层，其特征在于石墨的中心粒径较大 当活性物质的粒径为r时，活性物质的粒度分布为f（r），活性物质的密度为d， 根据石墨BET法的比表面积为Sg，电极涂覆膜中的活性物质的重量为Mg，并且提供了可以向电池提供高容量并增强柔性的二次电池用电极 的单元格：

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