NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME
    1.
    发明申请
    NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME 有权
    用于非水电解质二次电池的负极,其制造方法和使用其的非水电解质二次电池

    公开(公告)号:US20100151330A1

    公开(公告)日:2010-06-17

    申请号:US12093707

    申请日:2007-11-07

    IPC分类号: H01M4/58 H01M4/08

    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。

    Negative electrode for lithium secondary battery, and lithium secondary battery including the same
    2.
    发明授权
    Negative electrode for lithium secondary battery, and lithium secondary battery including the same 失效
    锂二次电池用负极和包含锂二次电池的锂二次电池

    公开(公告)号:US08399129B2

    公开(公告)日:2013-03-19

    申请号:US12297836

    申请日:2007-10-02

    IPC分类号: H01M4/02 H01M4/36

    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。

    Negative electrode for non-aqueous electrolyte secondary battery, method of manufacturing the same, and non-aqueous electrolyte secondary battery using the same
    4.
    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

    IPC分类号: H01M4/58

    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。

    NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME
    5.
    发明申请
    NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME 失效
    用于非水电解质二次电池的负极,其制造方法和使用其的非水电解质二次电池

    公开(公告)号:US20100151320A1

    公开(公告)日:2010-06-17

    申请号:US12064177

    申请日:2007-09-21

    IPC分类号: H01M10/052 H01M4/13 H01M4/134

    摘要: A negative electrode for nonaqueous electrolyte secondary battery capable of reversible occlusion and release of lithium ions, comprising current collector (11) provided on at least one major surface thereof with depressed portion (12) and protrudent portion (13) and, superimposed on the protrudent portion (13) of the current collector (11), columnar body (15) composed of a laminate of n (n≧2) layers of columnar body portions (16a,16b,16c) containing elements whose content ratio sequentially changes in the longitudinal direction of the current collector (11), wherein odd-numbered layers and even-numbered layers of the columnar body portions (16a,16b,16c) are different from each other in the direction of change of element content ratio.

    摘要翻译: 一种能够可逆闭塞和释放锂离子的非水电解质二次电池用负极,其特征在于,具有设置在其至少一个主面上的集电体(11),其具有凹部(12)和突出部(13),并叠合在突出部 集电体(11)的部分(13),由n(n≥2)层的柱状体部分(16a,16b,16c)的层叠体构成的柱状体(15),其包含元素的含量比率在纵向上依次变化 集电体(11)的方向,其中柱状体部(16a,16b,16c)的奇数层和偶数层在元素含量比的变化方向上彼此不同。

    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    6.
    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

    IPC分类号: H01M4/58

    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。

    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY CELL, LITHIUM SECONDARY CELL USING THE SAME, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY CELL
    7.
    发明申请
    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY CELL, LITHIUM SECONDARY CELL USING THE SAME, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY CELL 失效
    用于锂二次电池的负电极,使用该二次电池的锂二次电池及其制造用于锂二次电池的负极的方法

    公开(公告)号:US20100119948A1

    公开(公告)日:2010-05-13

    申请号:US12597697

    申请日:2008-04-11

    IPC分类号: H01M4/58 B05D5/12

    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 cell and lithium secondary cell using the same
    8.
    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

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

    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。