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°。

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°。

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°。

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。

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。

公开(公告)号：US07425223B2

公开(公告)日：2008-09-16

申请号：US10432500

申请日：2002-09-02

申请人： Hiroshi Higuchi ,  Shuji Ito ,  Kazuya Iwamoto ,  Masaya Ugaji ,  Hiromu Matsuda ,  Shinji Mino ,  Yasuyuki Shibano ,  Junichi Inaba ,  Kazuyoshi Honda ,  Sadayuki Okazaki ,  Hitoshi Sakai ,  Yoriko Takai

发明人： Hiroshi Higuchi ,  Shuji Ito ,  Kazuya Iwamoto ,  Masaya Ugaji ,  Hiromu Matsuda ,  Shinji Mino ,  Yasuyuki Shibano ,  Junichi Inaba ,  Kazuyoshi Honda ,  Sadayuki Okazaki ,  Hitoshi Sakai ,  Yoriko Takai

IPC分类号： H01M6/00 ,  C23C8/00

CPC分类号： H01M6/188 ,  C23C14/0021 ,  C23C14/22 ,  C23C14/24 ,  C23C14/30 ,  C23C14/32 ,  H01M4/0423 ,  H01M4/139 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585 ,  Y10T29/49108 ,  Y10T29/49112 ,  Y10T29/49115

摘要： To provide an electrochemical device with a layer structure causing no deterioration of characteristics of materials, in the method for preparing an electrochemical device comprising a first current collector, a first electrode active material layer, a solid electrolyte layer, a second electrode active material layer and a second current collector, all of which are accumulated, the first electrode active material layer, the second electrode active material layer or the solid electrolyte layer is formed by supplying atoms, ions or clusters constituting the first electrode active material layer, the second electrode active material layer or the solid electrolyte layer to the substrate, while irradiating electrons or electromagnetic waves with energy prescribed according to the composition of the first electrode active material layer, the second electrode active material layer or the solid electrolyte layer.

摘要翻译： 为了提供具有不会导致材料特性劣化的层结构的电化学装置，在制备包括第一集电器，第一电极活性材料层，固体电解质层，第二电极活性材料层和第二电极活性材料层的电化学装置的方法中， 通过供给构成第一电极活性物质层的原子，离子或簇构成第一电极活性物质层，第二电极活性物质层或固体电解质层而形成的第二集电体， 材料层或固体电解质层，同时用根据第一电极活性物质层，第二电极活性物质层或固体电解质层的组成规定的能量照射电子或电磁波。

公开(公告)号：US20090280407A1

公开(公告)日：2009-11-12

申请号：US12306854

申请日：2007-12-26

申请人： Shuji Ito ,  Yasutaka Kogetsu ,  Kazuya Iwamoto ,  Kazuyoshi Honda ,  Taisuke Yamamoto ,  Yasuhiro Ueyama ,  Keisuke Ohara ,  Hitoshi Katayama

发明人： Shuji Ito ,  Yasutaka Kogetsu ,  Kazuya Iwamoto ,  Kazuyoshi Honda ,  Taisuke Yamamoto ,  Yasuhiro Ueyama ,  Keisuke Ohara ,  Hitoshi Katayama

IPC分类号： H01M4/02 ,  B05D5/12 ,  C25D5/00 ,  C25D5/10

CPC分类号： H01M4/70 ,  H01M4/04 ,  H01M4/66 ,  H01M4/662 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

摘要： The present invention relates to a current collector including a base portion with a flat face, primary projections projecting from the flat face, and secondary projections projecting from the top of the primary projections. The present invention also relates to a current collector including a base portion with a flat face and primary projections projecting from the flat face, wherein the roughening rate of the top of the primary projections is 3 to 20. By using such a current collector, separation of the active material from the current collector can be inhibited when using an active material that has a high capacity but undergoes a large expansion at the time of lithium ion absorption.

摘要翻译： 本发明涉及一种集电器，其包括具有平坦表面的基部，从平坦表面突出的第一突起和从第一突起的顶部突出的第二突起。 本发明还涉及一种集电体，其包括具有平坦面的基部和从平坦面突出的一次突起，其中，第一突起的顶部的粗糙化率为3〜20。通过使用这样的集电体， 当使用具有高容量但在锂离子吸收时发生大的膨胀的活性材料时，能够抑制来自集电体的活性物质。

公开(公告)号：US08076027B2

公开(公告)日：2011-12-13

申请号：US11814694

申请日：2006-01-23

申请人： Kazuyoshi Honda ,  Yuuko Ogawa ,  Yasutaka Kogetsu

发明人： Kazuyoshi Honda ,  Yuuko Ogawa ,  Yasutaka Kogetsu

IPC分类号： H01M4/58

CPC分类号： H01M10/0525 ,  H01M2/16 ,  H01M4/1315 ,  H01M4/134 ,  H01M4/386 ,  H01M4/387 ,  H01M4/66 ,  Y10T29/49115

摘要： A negative electrode for a secondary battery includes a separator; a negative electrode active material layer which is fixed to the separator and can store and emit lithium ions; and a current collector layer formed on the side of the separator opposite to the negative electrode active material layer. The negative electrode active material layer contains at least one selected from the group consisting of silicon, silicon alloys, compounds containing silicon and oxygen, compounds containing silicon and nitrogen, compounds containing silicon and fluorine, tin, tin alloys, compounds containing tin and oxygen, compounds containing tin and nitrogen, and compounds containing tin and fluorine.

摘要翻译： 二次电池用负极包括隔板; 负极活性物质层，其固定在隔板上并能够存储和放出锂离子; 以及形成在隔板的与负极活性物质层相反的一侧的集电体层。 负极活性物质层含有选自硅，硅合金，含硅和氧的化合物，含硅和氮的化合物，含硅和氟的化合物，锡，锡合金，含锡和氧的化合物中的至少一种， 含锡和氮的化合物，以及含锡和氟的化合物。

公开(公告)号：US20080102359A1

公开(公告)日：2008-05-01

申请号：US11877425

申请日：2007-10-23

申请人： Yasutaka KOGETSU ,  Kazuyoshi Honda

发明人： Yasutaka KOGETSU ,  Kazuyoshi Honda

IPC分类号： H01M2/14

CPC分类号： H01M4/70 ,  H01M2/1022 ,  H01M4/13 ,  H01M4/134 ,  H01M4/366 ,  H01M4/661 ,  H01M10/052

摘要： An electrode plate for a battery includes a current collector having a substrate and a plurality of protrusions that are carried on the substrate; and an active material layer that is carried on the current collector. The protrusions include a conductive material that undergoes plastic deformation more easily than the substrate. A lithium secondary battery includes the above electrode plate.

摘要翻译： 一种电池用电极板，具有：集电体，具有基板和承载在所述基板上的多个突起; 以及承载在集电体上的活性物质层。 突起包括比基板更容易发生塑性变形的导电材料。 锂二次电池包括上述电极板。

公开(公告)号：US20060292445A1

公开(公告)日：2006-12-28

申请号：US11473149

申请日：2006-06-23

申请人： Yasutaka Kogetsu ,  Kazuyoshi Honda ,  Yuuko Ogawa

发明人： Yasutaka Kogetsu ,  Kazuyoshi Honda ,  Yuuko Ogawa

IPC分类号： H01M4/58 ,  C01B21/068 ,  C01B21/06

CPC分类号： H01M4/58 ,  H01M4/0421 ,  H01M4/0426 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/38 ,  H01M10/0525 ,  H01M2004/027

摘要： A negative electrode for a lithium ion secondary battery including a current collector and an active material layer carried on the current collector, wherein the active material layer includes an active material and no binder, the active material contains silicon and nitrogen, and the active material layer has a larger nitrogen ratio on a side of a first face which is in contact with the current collector than on a side of a second face which is not in contact with the current collector.

摘要翻译： 一种锂离子二次电池用负极，其包含集电体和活性物质层，所述负极包含活性物质层，活性物质层为活性物质，不含有粘合剂，活性物质含有硅和氮，活性物质层 在与集电体接触的第一面的一侧比在与集电体不接触的第二面的一侧具有较大的氮比。