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1. 发明申请

US20120258343A1 LITHIUM SECONDARY BATTERY 有权
标题翻译：锂二次电池
公开(公告)号：US20120258343A1
公开(公告)日：2012-10-11
申请号：US13516259
申请日：2009-12-17
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M10/36 , H01M10/04 , H01M4/04
CPC分类号： H01M10/0525 , H01M4/131 , H01M4/621 , H01M10/052 , H01M10/0587 , Y10T29/49108
摘要： A lithium secondary battery obtained by the present invention has a negative electrode sheet 20 in which the theoretical capacities of the negative active material per unit area are equalized in a negative active material layer 24b on the outer circumference side and a negative active material layer 24a on the inner circumference side of a negative electrode collector 22, and at least one of the following conditions is met with respect to at least part of a bent section 85, which is bent toward the inside of a wound electrode body 80: (1) the percentage content of binder of the outer negative active material layer 24b is smaller than the percentage content of binder of the inner negative active material layer 24a; and (2) the density of the outer negative active material layer 24b is smaller than the density of the inner negative active material layer 24a.
摘要翻译：通过本发明获得的锂二次电池具有负极片20，其中负极活性物质每单位面积的理论容量在外周侧的负极活性物质层24b和负电极集电体22的内周侧，以及至少部分朝向卷绕电极体80的内侧弯曲的弯曲部85的至少一部分满足以下条件中的至少一个：（1）外负极活性物质层24b的粘合剂的含量百分比小于内负极活性物质层24a的粘合剂的含量百分比; 和（2）外部负极活性物质层24b的密度小于内侧负极活性物质层24a的密度。

2. 发明授权

US09312568B2 Lithium secondary battery 有权
标题翻译：锂二次电池
公开(公告)号：US09312568B2
公开(公告)日：2016-04-12
申请号：US14366849
申请日：2011-12-21
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M4/587 , H01M10/0583 , H01M4/133 , H01M4/36 , H01M10/0525 , H01M10/0587 , B60L11/18 , H01M4/02
CPC分类号： H01M10/0583 , B60L11/18 , B60L11/1862 , B60L11/1879 , H01M4/133 , H01M4/366 , H01M4/587 , H01M10/0525 , H01M10/0587 , H01M2004/027 , Y02E60/122 , Y02T10/7011 , Y02T10/7044 , Y02T10/705
摘要： A lithium secondary battery 10 of the present invention is a secondary battery provided with a positive electrode 30 having a positive electrode active material layer 34 on a positive electrode collector 32, and a negative electrode 50 having a negative electrode active material layer 54 on a negative electrode collector 52. The positive electrode active material layer 34 contains a positive electrode active material capable of reversibly storing and releasing lithium ions. The negative electrode active material layer 54 contains a negative electrode active material made up of lamellar graphite that is bent so as to have an average number of bends f per particle of 0
摘要翻译：本发明的锂二次电池10是具有在正极集电体32上具有正极活性物质层34的正极30的二次电池，负极50具有负极活性物质层54的负极正极活性物质层34含有可逆地储存和释放锂离子的正极活性物质。负极活性物质层54含有由层状石墨构成的负极活性物质，该负极活性物质被弯曲成具有每个颗粒的平均弯曲数f为0

3. 发明授权

US08936875B2 Negative electrode containing graphite for lithium ion secondary battery 有权
标题翻译：锂离子二次电池用负极含石墨
公开(公告)号：US08936875B2
公开(公告)日：2015-01-20
申请号：US12937419
申请日：2009-12-16
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M4/133 , H01M4/583 , H01M10/0525 , H01M10/056 , H01M10/0566
CPC分类号： H01M10/0525 , H01M4/133 , H01M10/0566 , Y02E60/122 , Y02T10/7011
摘要： In a lithium ion secondary battery, an electrode assembly, in which a positive electrode sheet having a positive electrode mixture layer and a negative electrode sheet having a negative electrode mixture layer are overlain each other, is housed in a container together with a nonaqueous electrolyte solution. The negative electrode mixture layer includes a carbon material having at least in part a graphite structure as a negative active material. When S (m2) represents a value obtained by calculating a total surface area of the negative electrode active material included in a region of the negative electrode mixture layer lying opposite the positive electrode mixture layer per 1 Ah of capacity of the battery, V represents a value obtained by calculating a total volume of pores included in the region of the negative electrode mixture layer per 1 Ah of capacity of the battery, and N represents the number of lithium ions included within the volume V of the nonaqueous electrolyte solution, the value α computed by the formula α=S×N is from 1×1022 to 2.5×1022.
摘要翻译：在锂离子二次电池中，将具有正极复合层的正极片和具有负极混合层的负极片彼此重叠的电极组件与非水电解质溶液一起容纳在容器中。负极混合物层包括至少部分具有作为负极活性物质的石墨结构的碳材料。当S（m2）表示通过计算负极活性物质的总表面积而得到的值，该负极活性物质的总面积与负极混合物层的与电池容量的每Ah容量相对的区域相对，V表示通过计算每单位电池容量的负极混合物层的区域中包含的孔的总体积得到的值，N表示包含在非水电解液的体积V内的锂离子数，值α 由公式α= S×N计算为1×1022〜2.5×1022。

4. 发明申请

US20130252111A1 LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING LITHIUM ION SECONDARY BATTERY 有权
标题翻译：锂离子二次电池和制造锂离子二次电池的方法
公开(公告)号：US20130252111A1
公开(公告)日：2013-09-26
申请号：US13990837
申请日：2010-12-06
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M4/133 , H01M4/1393
CPC分类号： H01M4/133 , H01M4/0404 , H01M4/1393 , H01M4/364 , H01M4/587 , H01M4/625 , H01M10/0525 , H01M2004/021 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y10T29/49115
摘要： A lithium ion secondary battery involves a negative electrode sheet including a negative current collector and a negative active material layer that contains negative active material particles including first particles and second particles. In the negative active material layer, the ratio of the first particles to the total negative active material particles in a part on the current collector side in the layer thickness direction of the negative active material layer is higher than the ratio of the first particles to the total negative active material particles in the whole negative active material layer and the ratio of the second particles to the total negative active material particles in a part on an outer surface side of the negative active material layer in the layer thickness direction is higher than the ratio of the second particles to the total negative active material particles in the whole negative active material layer.
摘要翻译：锂离子二次电池包括含有负极集电体和负极活性物质层的负极片，负极活性物质层含有包含第一粒子和第二粒子的负极活性物质粒子。在负极活性物质层中，负极活性物质层的层厚方向上的集电体侧的一部分中的第一粒子与总负极活性物质粒子的比例高于第一粒子与整个负极活性物质层中的负极活性物质粒子的总负极活性物质粒子与负极活性物质层的外侧面的层厚度方向的一部分中的第二粒子与总负极活性物质粒子的比例高于的第二粒子与整个负极活性物质层中的总负极活性物质粒子的关系。

5. 发明申请

US20120244417A1 LITHIUM ION SECONDARY BATTERY 有权
标题翻译：锂离子二次电池
公开(公告)号：US20120244417A1
公开(公告)日：2012-09-27
申请号：US12937419
申请日：2009-12-16
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M2/02 , H01M4/583
CPC分类号： H01M10/0525 , H01M4/133 , H01M10/0566 , Y02E60/122 , Y02T10/7011
摘要： The present invention provides a lithium ion secondary battery in which an electrode assembly, in which a positive electrode sheet having a positive electrode mixture layer and a negative electrode sheet having a negative electrode mixture layer are overlain each other, is housed in a container together with a nonaqueous electrolyte solution. The negative electrode mixture layer includes a carbon material having at least in part a graphite structure as a negative active material. When S (m2) represents a value obtained by calculating a total surface area of the negative electrode active material included in a region of the negative electrode mixture layer lying opposite the positive electrode mixture layer per 1 Ah of capacity of the battery, V represents a value obtained by calculating a total volume of pores included in the region of the negative electrode mixture layer per 1 Ah of capacity of the battery, and N represents the number of lithium ions included within the volume V of the nonaqueous electrolyte solution, the value α computed by the formula α=S×N is from 1×1025 to 2.5×1025.
摘要翻译：本发明提供一种锂离子二次电池，其中将具有正极合剂层的正极片和具有负极混合层的负极片彼此重叠的电极组件与容器一起容纳在容器中，以及非水电解液。负极混合物层包括至少部分具有作为负极活性物质的石墨结构的碳材料。当S（m2）表示通过计算负极活性物质的总表面积而得到的值，该负极活性物质的总面积与负极混合物层的与电池容量的每Ah容量相对的区域相对，V表示通过计算每单位电池容量的负极混合物层的区域中包含的孔的总体积得到的值，N表示包含在非水电解液的体积V内的锂离子数，值α 由公式α= S×N计算为1×1025〜2.5×1025。

6. 发明申请

US20140170487A1 LITHIUM-ION SECONDARY BATTERY 有权
标题翻译：锂离子二次电池
公开(公告)号：US20140170487A1
公开(公告)日：2014-06-19
申请号：US14235471
申请日：2011-07-29
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M4/587 , H01M4/04 , H01M4/1393
CPC分类号： H01M4/0404 , H01M4/133 , H01M4/1393 , H01M4/364 , H01M4/587 , H01M10/0525 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： A negative electrode sheet of a lithium-ion secondary battery has a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer contains flake graphite particles and has a first region neighboring the negative electrode current collector and a second region neighboring a surface side that are different in perpendicularity of the graphite particles. The perpendicularity of the graphite particles is defined as (m1/m2), where, when the inclination θn of each of the graphite particles is specified relative to a surface of the negative electrode current collector, m1 is the number of the graphite particles having an inclination θn of 60°≦θn≦90° and m2 is the number of the graphite particles having an inclination θn of 0°≦θn≦30°.
摘要翻译：锂离子二次电池的负极片在负极集电体上具有负极集电体和负极活性物质层。负极活性物质层含有片状石墨粒子，具有与负极集电体相邻的第一区域和与石墨粒子的垂直度不同的与表面侧相邻的第二区域。石墨颗粒的垂直度定义为（m1 / m2），其中当相对于负极集电体的表面规定每个石墨颗粒的倾斜度和n时，m1是石墨颗粒的数量具有倾斜度和角度; n为60°＆nlE;θ为n＆nlE; 90°和m2为具有倾斜角度的石墨颗粒的数量; n为0°＆nlE; n为n＆nlE; 30°。

7. 发明授权

US09553299B2 Lithium-ion secondary battery 有权
标题翻译：锂离子二次电池
公开(公告)号：US09553299B2
公开(公告)日：2017-01-24
申请号：US14235471
申请日：2011-07-29
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M4/587 , H01M4/04 , H01M4/133 , H01M4/1393 , H01M4/36 , H01M10/0525
CPC分类号： H01M4/0404 , H01M4/133 , H01M4/1393 , H01M4/364 , H01M4/587 , H01M10/0525 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： A negative electrode sheet of a lithium-ion secondary battery has a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer contains flake graphite particles and has a first region neighboring the negative electrode current collector and a second region neighboring a surface side that are different in perpendicularity of the graphite particles. The perpendicularity of the graphite particles is defined as (m1/m2), where, when the inclination θn of each of the graphite particles is specified relative to a surface of the negative electrode current collector, m1 is the number of the graphite particles having an inclination θn of 60°≦θn≦90° and m2 is the number of the graphite particles having an inclination θn of 0°≦θn≦30°.
摘要翻译：锂离子二次电池的负极片在负极集电体上具有负极集电体和负极活性物质层。负极活性物质层含有片状石墨粒子，具有与负极集电体相邻的第一区域和与石墨粒子的垂直度不同的与表面侧相邻的第二区域。石墨颗粒的垂直度定义为（m1 / m2），其中当相对于负极集电体的表面规定每个石墨颗粒的倾斜度θn时，m1是具有倾角θn为60°≤θn≤90°，m2为倾斜度θn为0°≤θn≤30°的石墨颗粒的数量。

8. 发明授权

US09059436B2 Method for producing lithium ion secondary battery with tap density and electrode density 有权
标题翻译：具有振实密度和电极密度的锂离子二次电池的制造方法
公开(公告)号：US09059436B2
公开(公告)日：2015-06-16
申请号：US13881769
申请日：2010-10-27
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M4/133 , H01M4/04 , H01M4/13 , H01M4/139 , H01M4/587 , H01M10/052 , H01M10/0566 , H01M4/02 , H01M4/62
CPC分类号： H01M4/04 , H01M4/0404 , H01M4/13 , H01M4/133 , H01M4/139 , H01M4/587 , H01M4/622 , H01M10/052 , H01M10/0566 , H01M2004/027 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T29/49115
摘要： A method for producing a lithium-ion secondary battery comprising positive and negative electrodes and a non-aqueous electrolyte solution is provided. The method comprises (A) with several different negative electrode active materials, determining density Xn (g/cm3) at several different number of taps applied, n, respectively; (B) determining density Y (g/cm3) of a negative electrode active material layer constituted with a mixture comprising each negative electrode active material; (C) based on a regression line, Y=aXn+b, determining the number of taps applied, n′, that gives a≦0.5 and a determination coefficient R2≧0.99; (D) based on a plot of Y=aXn′+b, determining a passing range of Xn′ where negative electrode active material layer density Y is in a prescribed range; (E) selecting a negative electrode active material having Xn′in the passing range, and fabricating a negative electrode with this material.
摘要翻译：提供了一种包括正极和负极和非水电解质溶液的锂离子二次电池的制造方法。该方法包括（A）几种不同的负极活性物质，分别在几个不同的抽头数量n上确定密度Xn（g / cm3）。（B）确定由包含各负极活性物质的混合物构成的负极活性物质层的密度Y（g / cm 3）（C）基于回归线，Y = aXn + b，确定施加的抽头数，n'，其给出＆nlE; 0.5，确定系数R2≥0.99; （D）基于Y = aXn'+ b的图，确定负极活性物质层密度Y在规定范围内的Xn'的通过范围; （E）选择在通过范围内具有Xn'的负极活性物质，并用该材料制造负极。

9. 发明申请

US20140349189A1 LITHIUM SECONDARY BATTERY 有权
标题翻译：锂二次电池
公开(公告)号：US20140349189A1
公开(公告)日：2014-11-27
申请号：US14366849
申请日：2011-12-21
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M10/0583 , H01M4/587 , H01M10/0525 , H01M4/133
CPC分类号： H01M10/0583 , B60L11/18 , B60L11/1862 , B60L11/1879 , H01M4/133 , H01M4/366 , H01M4/587 , H01M10/0525 , H01M10/0587 , H01M2004/027 , Y02E60/122 , Y02T10/7011 , Y02T10/7044 , Y02T10/705
摘要： A lithium secondary battery 10 of the present invention is a secondary battery provided with a positive electrode 30 having a positive electrode active material layer 34 on a positive electrode collector 32, and a negative electrode 50 having a negative electrode active material layer 54 on a negative electrode collector 52. The positive electrode active material layer 34 contains a positive electrode active material capable of reversibly storing and releasing lithium ions. The negative electrode active material layer 54 contains a negative electrode active material made up of lamellar graphite that is bent so as to have an average number of bends f per particle of 0
摘要翻译：本发明的锂二次电池10是具有在正极集电体32上具有正极活性物质层34的正极30的二次电池，负极50具有负极活性物质层54的负极正极活性物质层34含有可逆地储存和释放锂离子的正极活性物质。负极活性物质层54含有由层状石墨构成的负极活性物质，该负极活性物质被弯曲成具有每个颗粒的平均弯曲数f为0

10. 发明授权

US09997768B2 Lithium ion secondary battery and method for manufacturing lithium ion secondary battery 有权
公开(公告)号：US09997768B2
公开(公告)日：2018-06-12
申请号：US13990837
申请日：2010-12-06
申请人： Koji Takahata , Hideki Sano
发明人： Koji Takahata , Hideki Sano
IPC分类号： H01M4/133 , H01M4/1393 , H01M4/587 , H01M4/04 , H01M4/36 , H01M4/62 , H01M10/0525 , H01M4/02
CPC分类号： H01M4/133 , H01M4/0404 , H01M4/1393 , H01M4/364 , H01M4/587 , H01M4/625 , H01M10/0525 , H01M2004/021 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y10T29/49115
摘要： A lithium ion secondary battery involves a negative electrode sheet including a negative current collector and a negative active material layer that contains negative active material particles including first particles and second particles. In the negative active material layer, the ratio of the first particles to the total negative active material particles in a part on the current collector side in the layer thickness direction of the negative active material layer is higher than the ratio of the first particles to the total negative active material particles in the whole negative active material layer and the ratio of the second particles to the total negative active material particles in a part on an outer surface side of the negative active material layer in the layer thickness direction is higher than the ratio of the second particles to the total negative active material particles in the whole negative active material layer.

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