利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

18 条记录 (耗时 0.015 秒)

    Negative electrode for lithium secondary cell and lithium secondary cell using the same
    4.
    发明授权
    Negative electrode for lithium secondary cell and lithium secondary cell using the same 失效
    锂二次电池用负极及使用其的锂二次电池

    公开(公告)号：US08273479B2

    公开(公告)日：2012-09-25

    申请号：US12597697

    申请日：2008-04-11

    申请人： Masaki Hasegawa ,  Masaya Ugaji ,  Keisuke Ohara ,  Hitoshi Matsumoto

    发明人： Masaki Hasegawa ,  Masaya Ugaji ,  Keisuke Ohara ,  Hitoshi Matsumoto

    IPC分类号： H01M4/13 ,  H01M4/58 ,  H01M4/02

    CPC分类号： H01M4/48 ,  H01M4/0421 ,  H01M4/131 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/362 ,  H01M4/38 ,  H01M4/70

    摘要： A negative electrode for a lithium secondary battery according to the present invention includes a current collector 12, and an active material layer 14 formed on the current collector 12. The active material layer 14 includes a plurality of negative-electrode active material members 16 disposed on the current collector 12. Each negative-electrode active material member 16 is oxide, including a first region 18 of a relatively high oxygen concentration and a plurality of second regions 20 having an oxygen concentration which is lower than that of the first region 18. The first region 18 extends from a bottom face of each negative-electrode active material member 16 in a direction away from the surface of the current collector. The plurality of second regions 20 are alternately disposed on both sides of the first region 18.

    摘要翻译： 本发明的锂二次电池用负极包括形成在集电体12上的集电体12和活性物质层14.活性物质层14具有多个负极活性物质16， 集电体12.每个负极活性物质构件16是包括氧浓度较高的第一区域18和氧浓度低于第一区域18的氧浓度的多个第二区域20的氧化物。 第一区域18从离开集电体表面的方向从每个负极活性物质构件16的底面延伸。 多个第二区域20交替地设置在第一区域18的两侧。

    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    5.
    发明申请
    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME 失效
    用于锂二次电池的负极和包括其的锂二次电池

    公开(公告)号：US20090176158A1

    公开(公告)日：2009-07-09

    申请号：US12297836

    申请日：2007-10-02

    申请人： Masaya Ugaji ,  Masaki Hasegawa ,  Taisuke Yamamoto ,  Keisuke Ohara ,  Yasutaka Kogetsu ,  Takuhiro Nishimura

    发明人： Masaya Ugaji ,  Masaki Hasegawa ,  Taisuke Yamamoto ,  Keisuke Ohara ,  Yasutaka Kogetsu ,  Takuhiro Nishimura

    IPC分类号： H01M4/58

    CPC分类号： H01M10/052 ,  H01M4/134 ,  H01M4/661 ,  H01M4/70

    摘要： A negative electrode for a lithium secondary battery of the present invention includes a current collector and a negative electrode active material layer carried on the current collector. The negative electrode active material layer includes a plurality of columnar particles. The current collector has a surface including a depression and a plurality of projected regions defined by the depression. The projected regions carry the columnar particles. Further, the present invention relates to a lithium secondary battery using the foregoing negative electrode. According to the present invention, it is possible to provide a high-capacity negative electrode excellent mainly in cycle characteristics for a lithium secondary battery, and a lithium secondary battery including the same.

    摘要翻译： 本发明的锂二次电池用负极包括在集电体上承载的集电体和负极活性物质层。 负极活性物质层包含多个柱状粒子。 集电器具有包括凹陷的表面和由凹陷限定的多个投影区域。 投影区域带有柱状颗粒。 此外，本发明涉及使用上述负极的锂二次电池。 根据本发明，可以提供主要在锂二次电池的循环特性和包括该锂二次电池的锂二次电池中优异的高容量负极。

    POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    7.
    发明申请
    POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非电解电解质二次电池正极，非电解电解质二次电池

    公开(公告)号：US20150255786A1

    公开(公告)日：2015-09-10

    申请号：US14429583

    申请日：2012-09-21

    申请人： Tatsuya HASHIMOTO ,  Yusuke FUKUMOTO ,  Keisuke OHARA ,  Yuji YOKOYAMA

    发明人： Tatsuya Hashimoto ,  Yusuke Fukumoto ,  Keisuke Ohara ,  Yuji Yokoyama

    IPC分类号： H01M4/36 ,  H01M10/05

    CPC分类号： H01M4/366 ,  H01M2/345 ,  H01M4/13 ,  H01M4/139 ,  H01M10/05 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

    摘要： Provided is a positive electrode for nonaqueous electrolyte secondary batteries including a positive electrode mixture layer formed of a positive electrode mixture paste containing a positive electrode active material. The positive electrode active material has a particle diameter of 2 μm or more and less than 7 μm. The positive electrode mixture layer includes a first mixture layer in which a maximum diameter of pores formed between particles of the positive electrode active material is more than 1.0 μm and 5.0 μm or less, and a second mixture layer in which a maximum diameter of the pores is 1.0 μm or less. The second mixture layer is arranged closer to the current collector than the first mixture layer. A ratio of a thickness of the first mixture layer to a thickness of the second mixture layer is more than 0.1 and 1.0 or less.

    摘要翻译： 本发明提供一种非水电解质二次电池用正极，其包括由含有正极活性物质的正极混合物糊形成的正极合剂层。 正极活性物质的粒径为2μm以上且小于7μm。 正极复合层包括第一混合层，其中在正极活性物质的颗粒之间形成的孔的最大直径大于1.0μm和5.0μm以下，第二混合层，其中孔的最大直径 为1.0μm以下。 第二混合物层比第一混合物层更靠近集电体布置。 第一混合物层的厚度与第二混合物层的厚度的比例大于0.1和1.0以下。

    LITHIUM SECONDARY BATTERY
    8.
    发明申请
    LITHIUM SECONDARY BATTERY 有权
    锂二次电池

    公开(公告)号：US20150221951A1

    公开(公告)日：2015-08-06

    申请号：US14426799

    申请日：2012-09-10

    申请人： Tatsuya Hashimoto ,  Keisuke Ohara ,  Yuji Yokoyama ,  Yusuke Fukumoto

    发明人： Tatsuya Hashimoto ,  Keisuke Ohara ,  Yuji Yokoyama ,  Yusuke Fukumoto

    IPC分类号： H01M4/62 ,  H01M10/052

    CPC分类号： H01M4/62 ,  H01M4/13 ,  H01M4/139 ,  H01M4/621 ,  H01M4/622 ,  H01M10/052 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

    摘要： This invention provides a lithium secondary battery that comprises a positive electrode comprising a positive electrode active material layer and a negative electrode comprising a negative electrode active material layer. The positive electrode active material layer and the negative electrode active material layer are placed to face each other. The negative electrode active material layer has an area A comprising a non-positive-electrode-facing portion that does not face the positive electrode active material layer. The area A comprises a negative electrode active material, a hot-melt binder and a temperature-sensitive thickener. The hot-melt binder has a melting point and the temperature-sensitive thickener has a gelation temperature both in a range of 45° C. to 100° C.

    摘要翻译： 本发明提供一种锂二次电池，其包括正极，其包括正极活性物质层和包含负极活性物质层的负极。 将正极活性物质层和负极活性物质层配置成彼此相对。 负极活性物质层具有包含不与正极活性物质层相对的非正极对向部的区域A. 区域A包括负极活性材料，热熔粘合剂和温度敏感增稠剂。 热熔粘合剂具有熔点，并且温度敏感性增稠剂的凝胶化温度均在45℃至100℃的范围内。

    Negative electrode for non-aqueous electrolyte secondary battery, method of manufacturing the same, and non-aqueous electrolyte secondary battery using the same
    10.
    发明授权
    Negative electrode for non-aqueous electrolyte secondary battery, method of manufacturing the same, and non-aqueous electrolyte secondary battery using the same 有权
    非水电解质二次电池用负极及其制造方法以及使用其的非水电解质二次电池

    公开(公告)号：US07947396B2

    公开(公告)日：2011-05-24

    申请号：US12093707

    申请日：2007-11-07

    申请人： Masaya Ugaji ,  Masaki Hasegawa ,  Taisuke Yamamoto ,  Keisuke Ohara

    发明人： Masaya Ugaji ,  Masaki Hasegawa ,  Taisuke Yamamoto ,  Keisuke Ohara

    IPC分类号： H01M4/58

    CPC分类号： H01M4/70 ,  H01M4/13 ,  H01M4/136 ,  H01M4/362 ,  H01M4/483 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0566 ,  H01M10/058 ,  H01M2004/027 ,  Y10T29/49108

    摘要： A negative electrode for a non-aqueous electrolyte secondary battery, which reversibly inserts/extracts lithium ions includes a current collector (11) in which a concave portion (12) and a convex portion (13) are formed at least one surface thereof; and a columnar body (15) which is formed by laminating n (n≧2) stages of columnar body portions which are obliquely erected on the convex portion (13) of the current collector (11) and in which a content ratio of elements sequentially vary in a longitudinal direction of the current collector (11), and has a configuration in which variation directions of content ratios of elements of odd-numbered stages of columnar body portions and even-numbered stages of columnar body portions are different from each other. At least three surfaces (13a, 13b, 13c) of the convex portion (13) in a section of the longitudinal direction are covered by the columnar body portions.

    摘要翻译： 用于可逆地插入/提取锂离子的非水电解质二次电池用负极包括在其至少一个表面上形成有凹部（12）和凸部（13）的集电体（11） 以及柱状体（15），其通过层叠n（n≥2）级的柱状体部分而形成，所述柱状体部分倾斜地竖立在集电体（11）的凸部（13）上，并且其中元素的含量比依次 在集电体（11）的长度方向上变化，并且具有柱状体部的奇数级和偶数级的柱状体部的元件的含量比的变化方向彼此不同的结构。 在纵向方向的一部分中的凸部（13）的至少三个表面（13a，13b，13c）被柱状体部分覆盖。