利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

66 条记录 (耗时 0.023 秒)

    ELECTRICAL DEVICE
    12.
    发明公开
    ELECTRICAL DEVICE 审中-公开
    电气装置

    公开(公告)号：EP3236519A1

    公开(公告)日：2017-10-25

    申请号：EP14908422.0

    申请日：2014-12-17

    申请人： Nissan Motor Co., Ltd.

    发明人： WATANABE, Manabu ,  KABURAGI, Tomohiro ,  YOSHIOKA, Youichi ,  KOMATSU, Hirokazu ,  CHIBA, Nobutaka ,  YAMAMOTO, Shinji

    IPC分类号： H01M4/38 ,  H01M10/052 ,  C22C1/04 ,  C22C1/10 ,  C22C29/18 ,  H01M4/02 ,  B22F9/00 ,  B22F9/04

    CPC分类号： H01M4/386 ,  B22F9/002 ,  B22F9/04 ,  B22F2009/041 ,  C22C1/0483 ,  C22C1/0491 ,  C22C1/1084 ,  C22C29/18 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2220/20

    摘要： The present invention is to provide a means capable of realizing sufficient cycle durability while sufficiently taking advantage of the high capacity characteristics which are a feature of a solid-solution positive electrode active material in an electric device such as a lithium ion secondary battery having a positive electrode using a solid-solution positive electrode active material.
    In an electric device having a power generating element including a positive electrode in which a positive electrode active material layer containing a positive electrode active material is formed on the surface of a positive electrode current collector, a negative electrode in which a negative electrode active material layer containing a negative electrode active material is formed on the surface of a negative electrode current collector, and a separator, the negative electrode active material layer contains a negative electrode active material represented by Formula (1), the positive electrode active material layer contains a positive electrode active material (solid-solution positive electrode active material) represented by Formula (2), and, at this time, one that has a structure in which a silicide phase containing a silicide of a transition metal is dispersed in a parent phase containing amorphous or low crystalline silicon as a main component, a predetermined composition, and a ratio value (B/A) of a diffraction peak intensity B of a silicide of a transition metal in a range of 2θ = 37 to 45° to a diffraction peak intensity A of a (111) plane of Si in a range of 2θ = 24 to 33° in a predetermined range in an X-ray diffraction measurement using a CuKα1 ray is used as a Si-containing alloy contained in the negative electrode active material layer and a solid solution having a predetermined composition or an oxide-coated solid solution in which a coating layer containing an oxide in a predetermined amount is formed on the particle surface of the solid solution is used as a solid-solution positive electrode active material contained in the positive electrode active material layer.

    摘要翻译： 本发明的目的在于提供一种充分利用作为固体正极活性物质的特征的高容量特性的锂离子二次电池 使用固溶体正极活性物质的电极。 在具有发电元件的电气设备中，所述发电元件包括​​：正极，其中包含正极活性物质的正极活性物质层形成在正极集电体的表面上;负极，其中负极活性物质层 含有负极活性物质的负极活性物质层形成在负极集电体的表面上，隔板具有负极活性物质层，负极活性物质层含有式（1）所示的负极活性物质，正极活性物质层含有正极 （2）所示的电极活性物质（固溶体正极活性物质），此时具有含有过渡金属的硅化物的硅化物相分散在含有非晶质的母相中的结构 或低结晶硅作为主要组分，预定组成和a 在2θ= 37〜45°的范围内的过渡金属的硅化物的衍射峰强度B与Si的（111）面的衍射峰强度A在2θ= 37〜45°的范围内的比值（B / A） 作为负极活性物质层中含有的含Si合金，使用CuKα1射线的X射线衍射测定中的规定范围内的24〜33°的固溶体，或者使用具有规定组成的固溶体或氧化物包覆固溶体 其中在固溶体的颗粒表面上形成含有预定量氧化物的涂层作为包含在正极活性物质层中的固溶体正极活性物质。

    NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ELECTRICAL DEVICES
    16.
    发明公开
    NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ELECTRICAL DEVICES 有权
    电气设备用负极活性材料

    公开(公告)号：EP2717355A1

    公开(公告)日：2014-04-09

    申请号：EP12788771.9

    申请日：2012-03-16

    申请人： Nissan Motor Co., Ltd

    发明人： WATANABE, Manabu ,  YOSHIDA, Masao ,  TANAKA, Osamu

    IPC分类号： H01M4/38 ,  C22C30/04

    CPC分类号： H01M4/386 ,  B22F2998/00 ,  C22C30/00 ,  C22C30/04 ,  C23C14/185 ,  C23C14/3464 ,  H01M4/38 ,  H01M4/387 ,  H01M10/0525 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011 ,  B22F9/04

    摘要： The negative electrode active material for an electric device of the present invention has an alloy containing Si in a range from 12% by mass or more to less than 100% by mass, Sn in a range from more than 0% by mass to 45% by mass or less, Al in a range from more than 0% by mass to 43% by mass or less, and indispensable impurities as remains. The negative electrode active material can be obtained, for example, using a multiple DC magnetron sputtering apparatus with Si, Sn and Al as targets. Electric devices to which the negative electrode active material of the present invention is applied have an improved cycle life and are excellent in the capacity and cycle durability.

    摘要翻译： 本发明的电气设备用负极活性物质含有Si：12质量％以上且小于100质量％，Sn：大于0质量％且45质量％以下的合金， 以下的Al，大于0质量％且小于等于43质量％的范围的Al以及作为残存的必需的杂质。 负极活性物质例如可以使用以Si，Sn，Al为靶材的多重DC磁控溅射装置来获得。 应用了本发明的负极活性物质的电气设备的循环寿命提高，容量和循环耐久性优异。