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1. 发明授权

US08080334B2 Lithium secondary battery 有权
标题翻译：锂二次电池
公开(公告)号：US08080334B2
公开(公告)日：2011-12-20
申请号：US11363945
申请日：2006-03-01
申请人： Yasutaka Kogetsu , Masaya Ugaji , Keiichi Takahashi , Shinji Mino , Nobuaki Nagao , Satoshi Shibutani , Kazuyoshi Honda
发明人： Yasutaka Kogetsu , Masaya Ugaji , Keiichi Takahashi , Shinji Mino , Nobuaki Nagao , Satoshi Shibutani , Kazuyoshi Honda
IPC分类号： H01M10/40 , H01M4/20 , H01M4/48
CPC分类号： H01M4/134 , H01M4/0423 , H01M4/0426 , H01M4/1395 , H01M4/38 , H01M2004/021 , Y02E60/122 , Y02P70/54 , Y10T29/49115
摘要： In order to enhance charge and discharge efficiency and to improve cycle characteristics by increasing a facing area between a positive electrode active material and a negative electrode active material, in a negative electrode for lithium secondary battery having a current collector and an active material layer carried on the current collector, the active material layer includes a plurality of columnar particles. The columnar particles include an element of silicon, and are tilted toward the normal direction of the current collector. Angle θ formed between the columnar particles and the normal direction of the current collector is preferably 10°≦θ
摘要翻译：为了提高充放电效率，通过增加正极活性物质和负极活性物质之间的面积来提高循环特性，在具有集电体和活性物质层的锂二次电池用负极中，集电体，活性物质层包括多个柱状颗粒。柱状颗粒包括硅元素，并且朝向集电体的法线方向倾斜。角度与角度柱状颗粒与集电体的法线方向之间形成的膜优选为10°＆lt; 90°。

2. 发明授权

US08888870B2 Lithium secondary battery 有权
标题翻译：锂二次电池
公开(公告)号：US08888870B2
公开(公告)日：2014-11-18
申请号：US13252808
申请日：2011-10-04
申请人： Yasutaka Kogetsu , Masaya Ugaji , Keiichi Takahashi , Shinji Mino , Nobuaki Nagao , Satoshi Shibutani , Kazuyoshi Honda
发明人： Yasutaka Kogetsu , Masaya Ugaji , Keiichi Takahashi , Shinji Mino , Nobuaki Nagao , Satoshi Shibutani , Kazuyoshi Honda
IPC分类号： H01M4/134 , H01M4/04 , H01M4/1395 , H01M4/38 , H01M4/02
CPC分类号： H01M4/134 , H01M4/0423 , H01M4/0426 , H01M4/1395 , H01M4/38 , H01M2004/021 , Y02E60/122 , Y02P70/54 , Y10T29/49115
摘要： In order to enhance charge and discharge efficiency and to improve cycle characteristics by increasing a facing area between a positive electrode active material and a negative electrode active material, in a negative electrode for lithium secondary battery having a current collector and an active material layer carried on the current collector, the active material layer includes a plurality of columnar particles. The columnar particles include an element of silicon, and are tilted toward the normal direction of the current collector. Angle θ formed between the columnar particles and the normal direction of the current collector is preferably 10°≦θ
摘要翻译：为了提高充放电效率，通过增加正极活性物质和负极活性物质之间的面积来提高循环特性，在具有集电体和活性物质层的锂二次电池用负极中，集电体，活性物质层包括多个柱状颗粒。柱状颗粒包括硅元素，并且朝向集电体的法线方向倾斜。角度与角度柱状颗粒与集电体的法线方向之间形成的膜优选为10°＆lt; 90°。

3. 发明申请

US20070031733A1 Lithium secondary battery 有权
标题翻译：锂二次电池
公开(公告)号：US20070031733A1
公开(公告)日：2007-02-08
申请号：US11363945
申请日：2006-03-01
申请人： Yasutaka Kogetsu , Masaya Ugaji , Keiichi Takahashi , Shinji Mino , Nobuaki Nagao , Satoshi Shibutani , Kazuyoshi Honda
发明人： Yasutaka Kogetsu , Masaya Ugaji , Keiichi Takahashi , Shinji Mino , Nobuaki Nagao , Satoshi Shibutani , Kazuyoshi Honda
IPC分类号： H01M4/70 , H01M4/66 , H01M4/58
CPC分类号： H01M4/134 , H01M4/0423 , H01M4/0426 , H01M4/1395 , H01M4/38 , H01M2004/021 , Y02E60/122 , Y02P70/54 , Y10T29/49115
摘要： In order to enhance charge and discharge efficiency and to improve cycle characteristics by increasing a facing area between a positive electrode active material and a negative electrode active material, in a negative electrode for lithium secondary battery having a current collector and an active material layer carried on the current collector, the active material layer includes a plurality of columnar particles. The columnar particles include an element of silicon, and are tilted toward the normal direction of the current collector. Angle θ formed between the columnar particles and the normal direction of the current collector is preferably 10°≦θ
摘要翻译：为了提高充放电效率，通过增加正极活性物质和负极活性物质之间的面积来提高循环特性，在具有集电体和活性物质层的锂二次电池用负极中，集电体，活性物质层包括多个柱状颗粒。柱状颗粒包括硅元素，并且朝向集电体的法线方向倾斜。在柱状颗粒与集电体的法线方向之间形成的角度θ优选为10°<θ<90°。

4. 发明授权

US08318359B2 Electrode for lithium secondary battery, lithium secondary battery and method for producing the same 有权
公开(公告)号：US08318359B2
公开(公告)日：2012-11-27
申请号：US11886848
申请日：2006-11-07
申请人： Keiichi Takahashi , Masaya Ugaji , Yasutaka Kogetsu , Shinji Mino , Nobuaki Nagao , Masaki Hasegawa
发明人： Keiichi Takahashi , Masaya Ugaji , Yasutaka Kogetsu , Shinji Mino , Nobuaki Nagao , Masaki Hasegawa
IPC分类号： H01M4/76 , H01M4/13 , H01M4/58 , H01M4/80 , H01M4/66 , H01M4/68
CPC分类号： H01M4/13 , H01M4/131 , H01M4/139 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/052 , Y02T10/7011 , Y10T29/49108 , Y10T29/49115
摘要： An electrode for a lithium secondary battery including a sheet-like current collector and an active material layer carried on the current collector. The active material layer is capable of absorbing and desorbing lithium, and the active material layer includes a plurality of columnar particles having at least one bend. An angle θ1 formed by a growth direction of the columnar particles from a bottom to a first bend of the columnar particles, and a direction normal to the current collector is preferably 10° or more and less than 90°. When θn+1 is an angle formed by a growth direction of the columnar particles from an n-th bend counted from a bottom of the columnar particles to an (n+1)-th bend, and the direction normal to the current collector, and n is an integer of 1 or more, θn+1 is preferably 0° or more and less than 90°.

5. 发明授权

US08303672B2 Electrode for lithium secondary battery, lithium secondary battery and method for producing the same 有权
标题翻译：锂二次电池用电极，锂二次电池及其制造方法
公开(公告)号：US08303672B2
公开(公告)日：2012-11-06
申请号：US13248858
申请日：2011-09-29
申请人： Keiichi Takahashi , Masaya Ugaji , Yasutaka Kogetsu , Shinji Mino , Nobuaki Nagao , Masaki Hasegawa
发明人： Keiichi Takahashi , Masaya Ugaji , Yasutaka Kogetsu , Shinji Mino , Nobuaki Nagao , Masaki Hasegawa
IPC分类号： H01M4/82 , H01M6/00 , H01M4/76 , B05D5/12 , C23C4/04
CPC分类号： H01M4/13 , H01M4/131 , H01M4/139 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/052 , Y02T10/7011 , Y10T29/49108 , Y10T29/49115
摘要： An electrode for a lithium secondary battery including a sheet-like current collector and an active material layer carried on the current collector. The active material layer is capable of absorbing and desorbing lithium, and the active material layer includes a plurality of columnar particles having at least one bend. An angle θ1 formed by a growth direction of the columnar particles from a bottom to a first bend of the columnar particles, and a direction normal to the current collector is preferably 10° or more and less than 90°. When θn+1 is an angle formed by a growth direction of the columnar particles from an n-th bend counted from a bottom of the columnar particles to an (n+1)-th bend, and the direction normal to the current collector, and n is an integer of 1 or more, θn+1 is preferably 0° or more and less than 90°.
摘要翻译：一种锂二次电池用电极，其包含片状集电体和在集电体上承载的活性物质层。活性物质层能够吸收和解吸锂，并且活性物质层包括具有至少一个弯曲部分的多个柱状颗粒。由柱状颗粒从柱状颗粒的底部到第一弯曲部的生长方向形成的角度θ和垂直于集电体的方向优选为10°以上且小于90°。当n + 1是由从柱状颗粒的底部计数到第（n + 1）弯曲的第n个弯曲的柱状颗粒的生长方向和垂直于电流的方向形成的角度并且n为1以上的整数，n + 1优选为0°以上且小于90°。

6. 发明申请

US20100129711A1 NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 失效
标题翻译：用于非水电解质二次电池的负极，其制造方法和非水电解质二次电池
公开(公告)号：US20100129711A1
公开(公告)日：2010-05-27
申请号：US12303854
申请日：2007-08-22
申请人： Katsumi Kashiwagi , Kazuyoshi Honda , Masaki Hasegawa , Masaya Ugaji , Yasutaka Kogetsu , Shuji Ito
发明人： Katsumi Kashiwagi , Kazuyoshi Honda , Masaki Hasegawa , Masaya Ugaji , Yasutaka Kogetsu , Shuji Ito
IPC分类号： H01M4/02 , H01M4/04 , B05D5/12
CPC分类号： H01M4/13 , H01M4/386 , H01M4/40 , H01M4/70 , H01M10/0525 , H01M2004/025 , H01M2004/027
摘要： This invention provides a negative electrode and a non-aqueous electrolyte secondary battery including the negative electrode. The negative electrode includes a Li-absorbing element as a negative electrode active material, is free from deformation, separation of the negative electrode active material layer from the negative electrode current collector, and deposition of lithium on the negative electrode current collector, and is excellent in cycle characteristic, large-current discharge characteristic, and low-temperature discharge characteristic.The negative electrode of this invention includes: a current collector having depressions and protrusions on a surface in the thickness direction thereof; and a negative electrode active material layer that includes a plurality of columns containing a negative electrode active material that absorbs and releases lithium ions, the columns being grown outwardly from the surface of the current collector. The negative electrode of this invention is characterized in that the columns are grown at an inclination angle relative to the direction perpendicular to the surface of the current collector, and that the inclination angle of the columns changes reversibly depending on absorption and release of lithium ions by the negative electrode active material.
摘要翻译：本发明提供一种负极和含有负极的非水电解质二次电池。负极包括作为负极活性物质的Li吸收元件，没有变形，负极活性物质层与负极集电体分离，并且在负极集电体上沉积锂，并且优异循环特性，大电流放电特性和低温放电特性。本发明的负极包括：在其厚度方向的表面上具有凹陷和突起的集电器; 以及包含吸收和释放锂离子的负极活性物质的多个列的负极活性物质层，所述列从集电体的表面向外生长。本发明的负极的特征在于，柱相对于与集电体的表面垂直的方向以倾斜角度生长，并且柱的倾斜角随着锂离子的吸收和释放而可逆地变化负极活性物质。

7. 发明授权

US08389156B2 Negative electrode for non-aqueous electrolyte secondary battery, method for producing the same, and non-aqueous electrolyte secondary battery 失效
标题翻译：非水电解质二次电池用负极及其制造方法以及非水电解质二次电池
公开(公告)号：US08389156B2
公开(公告)日：2013-03-05
申请号：US12303854
申请日：2007-08-22
申请人： Katsumi Kashiwagi , Kazuyoshi Honda , Masaki Hasegawa , Masaya Ugaji , Yasutaka Kogetsu , Shuji Ito
发明人： Katsumi Kashiwagi , Kazuyoshi Honda , Masaki Hasegawa , Masaya Ugaji , Yasutaka Kogetsu , Shuji Ito
IPC分类号： H01M4/02
CPC分类号： H01M4/13 , H01M4/386 , H01M4/40 , H01M4/70 , H01M10/0525 , H01M2004/025 , H01M2004/027
摘要： This invention provides a negative electrode and a non-aqueous electrolyte secondary battery including the negative electrode. The negative electrode includes a Li-absorbing element as a negative electrode active material, is free from deformation, separation of the negative electrode active material layer from the negative electrode current collector, and deposition of lithium on the negative electrode current collector, and is excellent in cycle characteristic, large-current discharge characteristic, and low-temperature discharge characteristic.The negative electrode of this invention includes: a current collector having depressions and protrusions on a surface in the thickness direction thereof; and a negative electrode active material layer that includes a plurality of columns containing a negative electrode active material that absorbs and releases lithium ions, the columns being grown outwardly from the surface of the current collector. The negative electrode of this invention is characterized in that the columns are grown at an inclination angle relative to the direction perpendicular to the surface of the current collector, and that the inclination angle of the columns changes reversibly depending on absorption and release of lithium ions by the negative electrode active material.
摘要翻译：本发明提供一种负极和含有负极的非水电解质二次电池。负极包括作为负极活性物质的Li吸收元件，没有变形，负极活性物质层与负极集电体分离，并且在负极集电体上沉积锂，并且优异循环特性，大电流放电特性和低温放电特性。本发明的负极包括：在其厚度方向的表面上具有凹陷和突起的集电器; 以及包含吸收和释放锂离子的负极活性物质的多个列的负极活性物质层，所述列从集电体的表面向外生长。本发明的负极的特征在于，柱相对于与集电体的表面垂直的方向以倾斜角度生长，并且柱的倾斜角随着锂离子的吸收和释放而可逆地变化负极活性物质。

8. 发明授权

US07794878B2 Negative electrode for lithium secondary battery and lithium secondary battery using the negative electrode 失效
标题翻译：使用负极的锂二次电池负极和锂二次电池
公开(公告)号：US07794878B2
公开(公告)日：2010-09-14
申请号：US11654667
申请日：2007-01-18
申请人： Yasutaka Kogetsu , Masaya Ugaji
发明人： Yasutaka Kogetsu , Masaya Ugaji
IPC分类号： H01M4/58 , H01M4/02 , H01M4/64 , H01M4/82
CPC分类号： H01M4/134 , H01M4/1395 , H01M4/525 , H01M4/661 , H01M10/052 , H01M10/0585 , Y02E60/122 , Y02T10/7011 , Y10T29/49108 , Y10T29/49115
摘要： A negative electrode for a lithium secondary battery and a lithium secondary battery including the negative electrode. The negative electrode includes a sheet-like current collector and an active material layer being carried thereon and including silicon atom. The active material layer includes a plurality of columnar particles, and in each columnar particle, at least a portion forming the columnar particle is grown to tilt with respect to the direction normal to the current collector. In the thickness direction of the active material layer, porosity Pc of the current collector side lower half of the active material layer and porosity Ps of the surface side upper half of the active material layer satisfy Pc
摘要翻译：锂二次电池用负极和含有该负极的锂二次电池。负极包括片状集电体和负载于其上并包含硅原子的活性物质层。活性物质层包括多个柱状颗粒，并且在每个柱状颗粒中，至少形成柱状颗粒的部分生长成相对于与集电体垂直的方向倾斜。在活性物质层的厚度方向上，活性物质层的集电体侧下半部的孔隙率Pc和活性物质层的表面侧上半部分的孔隙率Ps满足Pc

9. 发明授权

US08399129B2 Negative electrode for lithium secondary battery, and lithium secondary battery including the same 失效
标题翻译：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
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： H01M4/02 , H01M4/36
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。

10. 发明授权

US07964307B2 Negative electrode for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery 有权
标题翻译：锂离子二次电池用负极及其制造方法以及锂离子二次电池
公开(公告)号：US07964307B2
公开(公告)日：2011-06-21
申请号：US11826814
申请日：2007-07-18
申请人： Yasutaka Kogetsu , Masaya Ugaji
发明人： Yasutaka Kogetsu , Masaya Ugaji
IPC分类号： H01M4/134 , H01M4/38 , H01M4/66
CPC分类号： C23C14/226 , H01M4/134 , H01M4/1395 , H01M4/66 , H01M4/664 , H01M4/667 , H01M10/0525 , H01M2004/027 , Y02T10/7011
摘要： A negative electrode for a lithium ion secondary battery includes a current collector, an intermediate layer formed on a surface of the current collector, and an active material layer formed on the intermediate layer. The current collector includes a metal capable of being alloyed with silicon. The active material layer includes an active material including silicon. The intermediate layer includes silicon and oxygen. The intermediate layer prevents the metal capable of being alloyed with silicon from diffusing into the active material layer. The diffusion of the constituent element of the current collector into the active material layer is suppressed.
摘要翻译：锂离子二次电池用负极包括集电体，形成在集电体的表面上的中间层和形成在中间层上的活性物质层。集电器包括能够与硅合金化的金属。活性物质层包括含有硅的活性物质。中间层包括硅和氧。中间层防止能够与硅合金化的金属扩散到活性物质层中。抑制集电体的构成元素向活性物质层的扩散。

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