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1. 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。

2. 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。

3. 发明申请

US20090202908A1 CURRENT COLLECTOR, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 失效
标题翻译：电流收集器，电极和非水电解质二次电池
公开(公告)号：US20090202908A1
公开(公告)日：2009-08-13
申请号：US12439296
申请日：2007-08-28
申请人： Masanori Sumihara , Shuji Ito , Yasutaka Kogetsu , Katsumi Kashiwagi , Nobuyuki Kirihara
发明人： Masanori Sumihara , Shuji Ito , Yasutaka Kogetsu , Katsumi Kashiwagi , Nobuyuki Kirihara
IPC分类号： H01M4/58 , H01M4/70
CPC分类号： H01M4/70 , H01M4/13 , H01M4/131 , H01M4/134 , H01M4/139 , H01M4/1391 , H01M4/1395 , H01M4/5815 , H01M10/052 , H01M10/058 , H01M2004/027
摘要： An electrode capable of effectively dispersing or relieving the stress generated in association with expansion and contraction of an active material is provided. The electrode is produced by forming an active material layer on a predetermined current collector. This current collector includes a base and a plurality of projections formed so as to extend outwardly from a surface of the base. The cross section of the projections in a thickness direction of the current collector has a tapered shape in which a width in a direction parallel to the surface of the base narrows from the surface of the base along an extending direction of the projections.
摘要翻译：提供了能够有效地分散或减轻与活性物质的膨胀和收缩相关产生的应力的电极。通过在预定的集电体上形成活性物质层来制造电极。该集电器包括基部和形成为从基部的表面向外延伸的多个突起。突起在集电体的厚度方向的截面呈锥形，其中沿基板的表面平行的方向的宽度沿着突起的延伸方向从基板的表面变窄。

4. 发明授权

US07838153B2 Current collector, electrode, and non-aqueous electrolyte secondary battery 失效
标题翻译：集电极，电极和非水电解质二次电池
公开(公告)号：US07838153B2
公开(公告)日：2010-11-23
申请号：US12439296
申请日：2007-08-28
申请人： Masanori Sumihara , Shuji Ito , Yasutaka Kogetsu , Katsumi Kashiwagi , Nobuyuki Kirihara
发明人： Masanori Sumihara , Shuji Ito , Yasutaka Kogetsu , Katsumi Kashiwagi , Nobuyuki Kirihara
IPC分类号： H01M4/58
CPC分类号： H01M4/70 , H01M4/13 , H01M4/131 , H01M4/134 , H01M4/139 , H01M4/1391 , H01M4/1395 , H01M4/5815 , H01M10/052 , H01M10/058 , H01M2004/027
摘要： An electrode capable of effectively dispersing or relieving the stress generated in association with expansion and contraction of an active material is provided. The electrode is produced by forming an active material layer on a predetermined current collector. This current collector includes a base and a plurality of projections formed so as to extend outwardly from a surface of the base. The cross section of the projections in a thickness direction of the current collector has a tapered shape in which a width in a direction parallel to the surface of the base narrows from the surface of the base along an extending direction of the projections.
摘要翻译：提供了能够有效地分散或减轻与活性物质的膨胀和收缩相关产生的应力的电极。通过在预定的集电体上形成活性物质层来制造电极。该集电器包括基部和形成为从基部的表面向外延伸的多个突起。突起在集电体的厚度方向的截面呈锥形，其中沿基板的表面平行的方向的宽度沿着突起的延伸方向从基板的表面变窄。

5. 发明申请

US20100203387A1 ELECTRODE FOR LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY COMPRISING THE ELECTRODE 审中-公开
标题翻译：用于锂可充电电池的电极和包含电极的锂可充电电池
公开(公告)号：US20100203387A1
公开(公告)日：2010-08-12
申请号：US12672856
申请日：2008-08-06
申请人： Taisuke Yamamoto , Shuji Ito , Masaya Ugaji , Katsumi Kashiwagi
发明人： Taisuke Yamamoto , Shuji Ito , Masaya Ugaji , Katsumi Kashiwagi
IPC分类号： H01M4/58 , H01M4/02
CPC分类号： H01M4/134 , H01M4/13 , H01M4/1395 , H01M4/661 , H01M4/70 , H01M2004/021
摘要： An electrode for a lithium secondary battery 100 includes a current collector 11 having a plurality of bumps 12 on a surface thereof and an active material layer 15 including an active material member 14 formed on each of the plurality of bumps 12. The plurality of bumps 12 are regularly arrayed at an interval from one another on the surface of the current collector 11; a growth direction S of the active material members 14 is tilted with respect to the normal direction D of the current collector 11; voids 16 are formed between adjoining active material members 14; a proportion which the voids 16 account for in the active material layer 14 along any arbitrary direction is 5% or more on a plane which is parallel to the surface of the current collector 11; and tensile strength of the current collector 11 per 1 μm of height of the active material members 14 is no less than 0.3 N/mm and no more than 1 N/mm.
摘要翻译：用于锂二次电池100的电极包括在其表面上具有多个凸块12的集电体11和包括形成在多个凸块12中的每一个上的活性材料构件14的活性材料层15.多个凸块12 在集电体11的表面上以规定的间隔排列; 活性物质构件14的生长方向S相对于集电体11的法线方向D倾斜; 在邻接的活性材料构件14之间形成空隙16; 活性物质层14中的任意方向的空隙16所占的比例在与集电体11的表面平行的面上为5％以上; 并且每1μm的活性物质构件14的集电体11的拉伸强度为0.3N / mm以上且1NN以下。

6. 发明申请

US20080171263A1 NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, ITS MANUFACTURING METHOD, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME 审中-公开
标题翻译：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电解电解质二次电池
公开(公告)号：US20080171263A1
公开(公告)日：2008-07-17
申请号：US11970257
申请日：2008-01-07
申请人： Masaya Ugaji , Masaki Hasegawa , Katsumi Kashiwagi
发明人： Masaya Ugaji , Masaki Hasegawa , Katsumi Kashiwagi
IPC分类号： H01M4/48 , H01M4/04
CPC分类号： H01M4/78 , H01M4/0423 , H01M4/131 , H01M4/1391 , H01M4/1395 , H01M4/38 , H01M4/386 , H01M4/483 , H01M4/5825 , H01M4/621 , H01M4/765 , H01M10/052 , Y10T29/49115
摘要： A negative electrode for nonaqueous electrolyte secondary battery comprising a current collector with a concave and a convex formed at least on one surface thereof, and a column member having n (n≧2) stages of laminated columnar portions obliquely formed on the convex of the current collector, wherein a layer being less in expansion and contraction due to insertion and extraction of lithium ion is disposed in the column member.
摘要翻译：一种非水电解质二次电池用负极，其特征在于，具有在至少一个表面上形成有凹凸的集电体，以及具有n（n> 2）级的倾斜形成在集电体，其中由于锂离子的插入和提取而在膨胀和收缩方面较小的层设置在柱构件中。

7. 发明申请

US20120208084A1 NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY 审中-公开
标题翻译：用于锂离子二次电池和锂离子二次电池的负极
公开(公告)号：US20120208084A1
公开(公告)日：2012-08-16
申请号：US13502068
申请日：2011-04-26
申请人： Tatsuki Hiraoka , Taisuke Yamamoto , Katsumi Kashiwagi , Masaya Ugaji
发明人： Tatsuki Hiraoka , Taisuke Yamamoto , Katsumi Kashiwagi , Masaya Ugaji
IPC分类号： H01M4/70 , H01M4/66 , H01M4/64
CPC分类号： H01M4/70 , H01M4/134 , H01M4/386 , H01M4/387 , H01M4/622 , H01M10/052
摘要： A negative electrode for lithium ion secondary batteries, including: a negative electrode current collector having a plurality of protrusions formed on a surface thereof; and a plurality of granular bodies, the granular bodies being supported on the protrusions, respectively, and including an alloy-formable active material capable of absorbing and releasing lithium ions, wherein: the granular bodies have a resin layer on their respective surfaces; and the resin layer includes a first resin component which is at least one selected from polyimides and polyacrylic acid, and a second resin component which is composed of a copolymer including vinylidene fluoride units and hexafluoropropylene units. A lithium ion secondary battery including the above negative electrode.
摘要翻译： 1.一种锂离子二次电池用负极，其特征在于，具备：在其表面形成有多个突起的负极集电体; 以及多个粒状体，所述粒状体分别被支撑在所述突起上，并且包括能够吸收和释放锂离子的合金可形成的活性物质，其中：所述粒状体在其各自表面上具有树脂层; 树脂层包括选自聚酰亚胺和聚丙烯酸中的至少一种的第一树脂成分和由包含偏二氟乙烯单元和六氟丙烯单元的共聚物构成的第二树脂成分。包括上述负极的锂离子二次电池。

8. 发明申请

US20120070740A1 NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY 审中-公开
标题翻译：用于锂离子二次电池和锂离子二次电池的负极
公开(公告)号：US20120070740A1
公开(公告)日：2012-03-22
申请号：US13322002
申请日：2011-03-16
申请人： Katsumi Kashiwagi , Hideharu Takezawa , Masaya Ugaji
发明人： Katsumi Kashiwagi , Hideharu Takezawa , Masaya Ugaji
IPC分类号： H01M4/134
CPC分类号： H01M4/131 , H01M4/0421 , H01M4/134 , H01M4/386 , H01M4/485 , H01M4/70
摘要： Disclosed is a negative electrode for a lithium ion secondary battery, the negative electrode including a negative electrode current collector with protrusions formed on a surface thereon, and columnar bodies being carried on the protrusions and comprising an alloy active material capable of absorbing and releasing lithium ions. The columnar bodies each have a multilayer structure in which a plurality of unit layers comprising the alloy active material are stacked sequentially on the surface of the protrusion, and the average layer thickness of the unit layer in a region within 20% of the thickness of the columnar body extending from the surface of the protrusion is smaller than that in a region within 80% of the thickness of the columnar body extending from the top of the columnar body.
摘要翻译：公开了一种用于锂离子二次电池的负极，该负极包括在其表面上形成有突起的负极集电体，并且在该突起上承载有柱状体，并且包括能够吸收和释放锂离子的合金活性材料。柱状体各自具有多层结构，其中包括合金活性物质的多个单位层依次层叠在突起的表面上，单位层的平均层厚度在厚度的20％以内的区域中从突起的表面延伸的柱状体比从柱状体的顶部延伸的柱状体的厚度的80％以内的区域小。

9. 发明申请

US20090311601A1 NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY 审中-公开
标题翻译：负极和锂离子二次电池
公开(公告)号：US20090311601A1
公开(公告)日：2009-12-17
申请号：US12481279
申请日：2009-06-09
申请人： Katsumi Kashiwagi , Masaya Ugaji
发明人： Katsumi Kashiwagi , Masaya Ugaji
IPC分类号： H01M4/48 , H01M4/02
CPC分类号： H01M4/70 , H01M4/0421 , H01M4/043 , H01M4/134 , H01M4/1395 , H01M4/362 , H01M4/661 , H01M2004/021
摘要： In the negative electrode of the present invention, the negative electrode current collector includes a substrate and a plurality of protrusions, and the protrusions are formed on the surface of the substrate. The negative electrode active material layer includes a columnar active material layer and a stacked active material layer containing an alloy-based negative electrode active material. The columnar active material layer includes one or more columns that extend outwardly from the surface of the protrusions. The stacked active material layer is formed by stacking a thin film in a zigzag manner on the substrate surface between the protrusions. By using this negative electrode, negative electrode deformation, and separation of the negative electrode active material layer from the negative electrode current collector are suppressed, and a lithium ion secondary battery that has excellent charge and discharge cycle performance and output performance can be obtained.
摘要翻译：在本发明的负极中，负极集电体包括基板和多个突起，并且在基板的表面上形成突起。负极活性物质层包括柱状活性物质层和含有合金系负极活性物质的层叠活性物质层。柱状活性物质层包括从突起的表面向外延伸的一个或多个柱。堆叠的活性物质层通过以锯齿形的方式将薄膜层叠在突起之间的基板表面上而形成。通过使用该负极，负极变形和负极活性物质层与负极集电体的分离被抑制，并且可以获得具有优异的充放电循环性能和输出性能的锂离子二次电池。

10. 发明授权

US09153817B2 Lithium ion secondary battery 有权
标题翻译：锂离子二次电池
公开(公告)号：US09153817B2
公开(公告)日：2015-10-06
申请号：US13320464
申请日：2011-04-26
申请人： Tatsuki Hiraoka , Taisuke Yamamoto , Katsumi Kashiwagi , Masaya Ugaji
发明人： Tatsuki Hiraoka , Taisuke Yamamoto , Katsumi Kashiwagi , Masaya Ugaji
IPC分类号： H01M4/62 , H01M4/134 , H01M10/052 , H01M10/0566
CPC分类号： H01M4/134 , H01M4/621 , H01M10/052 , H01M10/0566 , Y02E60/122 , Y02T10/7011
摘要： Disclosed is a lithium ion secondary battery including: a positive electrode including a positive electrode active material layer comprising a positive electrode active material capable of absorbing and releasing lithium ions, and a positive electrode current collector; a negative electrode including a negative electrode active material layer comprising an alloy-formable active material, and a negative electrode current collector; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. The positive electrode active material layer has an easily swellable resin having a degree of swelling with the non-aqueous electrolyte of 20% or more, and the negative electrode active material layer has a hardly swellable resin having a degree of swelling with the non-aqueous electrolyte of less than 20%.
摘要翻译：公开了一种锂离子二次电池，其包括：正极，包括具有能够吸收和释放锂离子的正极活性物质的正极活性物质层和正极集电体; 包括含有可合金成形的活性物质的负极活性物质层的负极和负极集电体; 夹在正极和负极之间的隔膜; 和非水电解质。正极活性物质层具有非水电解质溶胀度容易溶胀的树脂20％以上，负极活性物质层具有难溶胀性的树脂，其膨润度为非水性电解质小于20％。

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