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1. 发明申请

US20140065478A1 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF 有权
标题翻译：非电解电解质二次电池及其制造方法
公开(公告)号：US20140065478A1
公开(公告)日：2014-03-06
申请号：US14004215
申请日：2011-03-11
申请人： Toshihiko Mitsuhashi , Koji Takahata , Akihiro Ochiai
发明人： Toshihiko Mitsuhashi , Koji Takahata , Akihiro Ochiai
IPC分类号： H01M4/1393
CPC分类号： H01M4/1393 , H01M4/0404 , H01M4/0435 , H01M4/133 , H01M4/583 , H01M10/052 , H01M10/058 , H01M2004/021 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： The present invention provides a method of manufacturing a nonaqueous electrolyte secondary battery in which graphite fissuring during rolling of the negative electrode mixture layer is prevented and a deterioration in the performance of the battery is thereby suppressed. The manufacturing method provided by the present invention is a method of manufacturing a nonaqueous electrolyte secondary battery that has a positive electrode and a negative electrode, and includes: a coating step of coating a current collector 22 with a positive electrode mixture 23 containing graphite 25; a magnetic field application step of applying, to the negative electrode mixture 23 made to coat the current collector 22 in the coating step, a magnetic field in which the magnetic lines of force are oriented in one direction parallel to the plane of the current collector 22 coated with the negative electrode mixture 23; a drying step of drying the negative electrode mixture 23 to which the magnetic field has been applied in the magnetic field application step; and a rolling step of rolling a negative electrode mixture layer resulted from the drying step.
摘要翻译：本发明提供一种制造非水电解质二次电池的方法，其中防止了在负极混合物层的轧制过程中的石墨裂纹并且由此抑制了电池的性能的劣化。本发明提供的制造方法是制造具有正极和负极的非水电解质二次电池的制造方法，其特征在于，包括：使用含有石墨25的正极合剂23涂布集电体22的涂布工序; 磁场施加步骤，在涂布步骤中对在集电体22上涂布的负极混合物23施加磁场，其中磁力线在与集电体22的平面平行的一个方向上取向涂覆有负极混合物23; 在磁场施加步骤中干燥施加了磁场的负极混合物23的干燥步骤; 以及由干燥工序得到的负极混合物层的轧制工序。

2. 发明申请

US20140272540A1 NONAQUEOUS SECONDARY BATTERY 有权
标题翻译：非标次级电池
公开(公告)号：US20140272540A1
公开(公告)日：2014-09-18
申请号：US14350949
申请日：2011-10-11
申请人： Koji Takahata , Machiko Abe , Akihiro Ochiai
发明人： Koji Takahata , Machiko Abe , Akihiro Ochiai
IPC分类号： H01M4/62
CPC分类号： H01M4/622 , B60L11/1862 , B60L11/187 , B60L11/1879 , B60L2240/545 , B60L2240/547 , B60L2240/549 , H01M4/02 , H01M4/362 , H01M10/0525 , H01M10/345 , H01M2220/20 , Y02E60/122 , Y02E60/124 , Y02T10/7011 , Y02T10/7044 , Y02T10/705
摘要： A nonaqueous secondary battery 100A has a negative electrode sheet 240A in which a negative electrode active material layer 243A is held by a negative electrode current collector 241A. Contained within the negative electrode active material layer 243A is a binder 730 which includes a rubber-based binder or a resin having a binder function. The rubber-based binder or the resin having a binder function is abundantly present, within the negative electrode active material layer 243A, in a surface vicinity A1 of the negative electrode active material layer 243A.
摘要翻译：非水系二次电池100A具有负极片240A，负极活性物质层243A由负极集电体241A保持。包含在负极活性物质层243A内的是包含橡胶系粘合剂或具有粘合剂功能的树脂的粘合剂730。在负极活性物质层243A的附近的表面A1内，在负极活性物质层243A内大量存在具有粘合剂功能的橡胶系粘合剂或树脂。

3. 发明申请

US20140255783A1 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND USE THEREOF 有权
标题翻译：非水电解质二次电池及其使用
公开(公告)号：US20140255783A1
公开(公告)日：2014-09-11
申请号：US14352849
申请日：2011-10-20
申请人： Koji Takahata , Akihiro Ochiai
发明人： Koji Takahata , Akihiro Ochiai
IPC分类号： H01M4/505 , H01M4/525
CPC分类号： H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0566 , Y02E60/122 , Y02T10/7011
摘要： The non-aqueous electrolyte secondary battery provided by this invention comprises a positive electrode and a negative electrode, wherein the positive electrode has a positive electrode active material layer comprising a positive electrode active material as a primary component, and the negative electrode has a negative electrode active material layer comprising a negative electrode active material as a primary component, having a negative electrode active material's linseed oil absorption number B (mL/100 g) to positive electrode active material's DBP absorption number A (mL/100 g) ratio B/A of 1.27 to 1.79.
摘要翻译：本发明提供的非水电解质二次电池包括正极和负极，其中所述正极具有包含正极活性物质作为主要成分的正极活性物质层，负极具有负极活性物质层，其包含负极活性物质作为主要成分，具有负极活性物质的亚麻子油吸附量B（mL / 100g）与正极活性物质的DBP吸收值A（mL / 100g）比率B / A 为1.27至1.79。

4. 发明申请

US20140248528A1 LITHIUM-ION SECONDARY BATTERY 有权
标题翻译：锂离子二次电池
公开(公告)号：US20140248528A1
公开(公告)日：2014-09-04
申请号：US14349437
申请日：2011-10-07
申请人： Koji Takahata , Akihiro Ochiai
发明人： Koji Takahata , Akihiro Ochiai
IPC分类号： H01M4/587
CPC分类号： H01M4/587 , H01M4/133 , H01M4/1393 , H01M4/366 , H01M10/052 , H01M10/058 , H01M2004/027 , Y02T10/7011
摘要： A negative electrode active material layer (243A) of a lithium-ion secondary battery (100A) contains natural graphite and artificial graphite as negative electrode active material particles. The negative electrode active material layer (243A) has a region (A1) facing the positive electrode active material layer (223) and regions (A2, A3) not facing the positive electrode active material layer (223). The region (A1) facing the positive electrode active material layer (223) contains the natural graphite in a larger proportion than the regions (A2, A3) not facing the positive electrode active material layer (223), and the regions (A2, A3) not facing the positive electrode active material layer (223) contain the artificial graphite in a larger proportion than the region (A1) facing the positive electrode active material layer (223).
摘要翻译：锂离子二次电池（100A）的负极活性物质层（243A）含有天然石墨和人造石墨作为负极活性物质粒子。负极活性物质层（243A）具有与正极活性物质层（223）相对的区域（A1）和不与正极活性物质层（223）相对的区域（A2，A3）。面对正极活性物质层（223）的区域（A1）包含比不面向正极活性物质层（223）的区域（A2，A3）大的比例的天然石墨，并且区域（A2，A3 ）不包含比面向正极活性物质层（223）的区域（A1）更大的比例的正极活性物质层（223）。

5. 发明授权

US10014524B2 Nonaqueous secondary battery 有权
公开(公告)号：US10014524B2
公开(公告)日：2018-07-03
申请号：US14350949
申请日：2011-10-11
申请人： Koji Takahata , Machiko Abe , Akihiro Ochiai
发明人： Koji Takahata , Machiko Abe , Akihiro Ochiai
IPC分类号： H01M4/62 , B60L11/18 , H01M4/02 , H01M4/36 , H01M10/0525 , H01M10/34
CPC分类号： H01M4/622 , B60L50/64 , B60L58/13 , B60L58/24 , B60L2240/545 , B60L2240/547 , B60L2240/549 , H01M4/02 , H01M4/362 , H01M10/0525 , H01M10/345 , H01M2220/20 , Y02E60/122 , Y02E60/124 , Y02T10/7011 , Y02T10/7044 , Y02T10/705
摘要： A nonaqueous secondary battery 100A has a negative electrode sheet 240A in which a negative electrode active material layer 243A is held by a negative electrode current collector 241A. Contained within the negative electrode active material layer 243A is a binder 730 which includes a rubber-based binder or a resin having a binder function. The rubber-based binder or the resin having a binder function is abundantly present, within the negative electrode active material layer 243A, in a surface vicinity A1 of the negative electrode active material layer 243A.

6. 发明授权

US09972844B2 Lithium-ion secondary battery 有权
公开(公告)号：US09972844B2
公开(公告)日：2018-05-15
申请号：US14349437
申请日：2011-10-07
申请人： Koji Takahata , Akihiro Ochiai
发明人： Koji Takahata , Akihiro Ochiai
IPC分类号： H01M4/133 , H01M4/587 , H01M4/1393 , H01M10/058 , H01M4/36 , H01M10/052 , H01M4/02
CPC分类号： H01M4/587 , H01M4/133 , H01M4/1393 , H01M4/366 , H01M10/052 , H01M10/058 , H01M2004/027 , Y02T10/7011
摘要： A negative electrode active material layer (243A) of a lithium-ion secondary battery (100A) contains natural graphite and artificial graphite as negative electrode active material particles. The negative electrode active material layer (243A) has a region (A1) facing the positive electrode active material layer (223) and regions (A2, A3) not facing the positive electrode active material layer (223). The region (A1) facing the positive electrode active material layer (223) contains the natural graphite in a larger proportion than the regions (A2, A3) not facing the positive electrode active material layer (223), and the regions (A2, A3) not facing the positive electrode active material layer (223) contain the artificial graphite in a larger proportion than the region (A1) facing the positive electrode active material layer (223).

7. 发明授权

US09490476B2 Nonaqueous electrolyte secondary battery and manufacturing method thereof 有权
标题翻译：非水电解质二次电池及其制造方法
公开(公告)号：US09490476B2
公开(公告)日：2016-11-08
申请号：US14004215
申请日：2011-03-11
申请人： Toshihiko Mitsuhashi , Koji Takahata , Akihiro Ochiai
发明人： Toshihiko Mitsuhashi , Koji Takahata , Akihiro Ochiai
IPC分类号： H01M4/22 , H01M4/1393 , H01M4/04 , H01M4/133 , H01M10/052 , H01M10/058 , H01M4/583 , H01M4/02
CPC分类号： H01M4/1393 , H01M4/0404 , H01M4/0435 , H01M4/133 , H01M4/583 , H01M10/052 , H01M10/058 , H01M2004/021 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： The present invention provides a method of manufacturing a nonaqueous electrolyte secondary battery in which graphite fissuring during rolling of the negative electrode mixture layer is prevented and a deterioration in the performance of the battery is thereby suppressed. The manufacturing method provided by the present invention is a method of manufacturing a nonaqueous electrolyte secondary battery that has a positive electrode and a negative electrode, and includes: a coating step of coating a current collector 22 with a positive electrode mixture 23 containing graphite 25; a magnetic field application step of applying, to the negative electrode mixture 23 made to coat the current collector 22 in the coating step, a magnetic field in which the magnetic lines of force are oriented in one direction parallel to the plane of the current collector 22 coated with the negative electrode mixture 23; a drying step of drying the negative electrode mixture 23 to which the magnetic field has been applied in the magnetic field application step; and a rolling step of rolling a negative electrode mixture layer resulted from the drying step.
摘要翻译：本发明提供一种制造非水电解质二次电池的方法，其中防止了在负极混合物层的轧制过程中的石墨裂纹并且由此抑制了电池的性能的劣化。本发明提供的制造方法是制造具有正极和负极的非水电解质二次电池的制造方法，其特征在于，包括：使用含有石墨25的正极合剂23涂布集电体22的涂布工序; 磁场施加步骤，在涂布步骤中对在集电体22上涂布的负极混合物23施加磁场，其中磁力线在与集电体22的平面平行的一个方向上取向涂覆有负极混合物23; 在磁场施加步骤中干燥施加了磁场的负极混合物23的干燥步骤; 以及由干燥工序得到的负极混合物层的轧制工序。

8. 发明授权

US09219278B2 Non-aqueous electrolyte secondary battery and use thereof 有权
标题翻译：非水电解质二次电池及其用途
公开(公告)号：US09219278B2
公开(公告)日：2015-12-22
申请号：US14352849
申请日：2011-10-20
申请人： Koji Takahata , Akihiro Ochiai
发明人： Koji Takahata , Akihiro Ochiai
IPC分类号： H01M4/505 , H01M4/525 , H01M10/0525 , H01M4/587 , H01M10/0566
CPC分类号： H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0566 , Y02E60/122 , Y02T10/7011
摘要： The non-aqueous electrolyte secondary battery provided by this invention comprises a positive electrode and a negative electrode, wherein the positive electrode has a positive electrode active material layer comprising a positive electrode active material as a primary component, and the negative electrode has a negative electrode active material layer comprising a negative electrode active material as a primary component, having a negative electrode active material's linseed oil absorption number B (mL/100 g) to positive electrode active material's DBP absorption number A (mL/100 g) ratio B/A of 1.27 to 1.79.
摘要翻译：本发明提供的非水电解质二次电池包括正极和负极，其中所述正极具有包含正极活性物质作为主要成分的正极活性物质层，负极具有负极活性物质层，其包含负极活性物质作为主要成分，具有负极活性物质的亚麻子油吸附量B（mL / 100g）与正极活性物质的DBP吸收值A（mL / 100g）比率B / A 为1.27至1.79。

9. 发明申请

US20150010784A1 SEALED NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
标题翻译：密封非水电解质二次电池
公开(公告)号：US20150010784A1
公开(公告)日：2015-01-08
申请号：US14379610
申请日：2013-01-29
申请人： Koji Takahata , Akihiro Ochiai
发明人： Koji Takahata , Akihiro Ochiai
IPC分类号： H01M10/42 , H01M10/052 , H01M2/34
CPC分类号： H01M10/4235 , H01M2/345 , H01M4/366 , H01M4/625 , H01M4/8657 , H01M4/8889 , H01M10/052 , H01M10/0525 , H01M10/0567 , H01M10/0587 , H01M2004/021 , H01M2220/20 , H01M2300/0017 , Y02E60/122 , Y02T10/7011
摘要： The present invention provides a sealed nonaqueous electrolyte secondary battery which is equipped with a current interrupt device that is actuated by a rise in internal pressure of a battery case and in which the current interrupt device is actuated in a speedy and stable manner during an overcharge. In the sealed nonaqueous electrolyte secondary battery, an electrode body formed by a positive electrode 10 and a negative electrode that oppose each other via a separator, an electrolyte, and an overcharge inhibitor are housed in the battery case. The positive electrode 10 includes a positive electrode current collector 12 and a positive electrode active material layer 14 which is formed on the current collector and which mainly contains a positive electrode active material. In addition, a conductive material layer 16 which mainly contains a conductive material is formed between the positive electrode active material layer 14 and the separator. A porosity of the conductive material layer 16 is 35% or more and 55% or less
摘要翻译：本发明提供了一种密封型非水电解质二次电池，其具有通过电池壳体的内部压力上升而致动的电流中断装置，其中，在过充电期间，电流中断装置以快速且稳定的方式被致动。在密封型非水电解质二次电池中，由电极壳体容纳由正极10和负极通过隔板相互对置形成的电极体，电解质和过充电抑制剂。正极10包括正极集电体12和正极活性物质层14，正极活性物质层14形成在集电体上，主要含有正极活性物质。此外，在正极活性物质层14和隔膜之间形成有主要包含导电材料的导电材料层16。导电材料层16的孔隙率为35％以上且55％以下

10. 发明授权

US09911972B2 Non-aqueous electrolyte secondary battery and method for manufacturing negative electrode for secondary battery 有权
公开(公告)号：US09911972B2
公开(公告)日：2018-03-06
申请号：US14364839
申请日：2011-12-14
申请人： Koji Takahata , Tatsuya Hashimoto , Yoshiyuki Ozaki , Yukihiro Okada , Kenji Tsuchiya , Masanori Kitayoshi , Naoyuki Wada
发明人： Koji Takahata , Tatsuya Hashimoto , Yoshiyuki Ozaki , Yukihiro Okada , Kenji Tsuchiya , Masanori Kitayoshi , Naoyuki Wada
IPC分类号： H01M4/133 , H01M4/62 , H01M4/587 , H01M10/058 , H01M4/1393 , H01M10/0525 , H01M4/04 , H01M4/02
CPC分类号： H01M4/133 , H01M4/0402 , H01M4/0404 , H01M4/0416 , H01M4/1393 , H01M4/587 , H01M4/625 , H01M10/0525 , H01M10/058 , H01M2004/021 , H01M2004/027 , Y02T10/7011 , Y10T29/49115
摘要： The non-aqueous electrolyte secondary battery 10 provided by the present invention comprises a positive electrode 30, a negative electrode 50 and a non-aqueous electrolyte. The negative electrode 50 includes a negative electrode current collector 52 and a negative electrode active material layer 54 formed on the current collector 52, the negative electrode active material layer 54 containing a negative electrode active material 55 capable of storing and releasing charge carriers and having shape anisotropy so that the charge carriers are stored and released along a predefined direction. The negative electrode active material layer 54 includes, at a bottom thereof contacting the current collector 52, a minute conductive material 57 with granular shape and/or minute conductive material 57 with fibrous shape having an average particle diameter that is smaller than that of the negative electrode active material 55, and includes, at the bottom thereof; a part of the negative electrode active material 55. At least 50% by number of the total amount of the negative electrode active material 55 is oriented so that the direction of storage and release of the charge carriers is at an angle of 45° or more and 90° or less relative to the surface of the current collector 52.

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