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1. 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.

2. 发明申请

US20150030931A1 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR SECONDARY BATTERY 有权
标题翻译：非水电解质二次电池及二次电池负极制造方法
公开(公告)号：US20150030931A1
公开(公告)日：2015-01-29
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 , H01M4/1393 , H01M4/04 , H01M10/058 , H01M4/62 , H01M4/587
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.
摘要翻译：由本发明提供的非水电解质二次电池10包括正极30，负极50和非水电解质。负极50包括负极集电体52和形成在集电体52上的负极活性物质层54，负极活性物质层54含有负极活性物质55，能够储存和释放载流子并具有形状各向异性，使得电荷载体沿预定方向被储存和释放。负极活性物质层54在与集电体52接触的底部包括具有粒状的微小导电材料57和/或具有平均粒径小于负极的平均粒径的微小导电材料57 电极活性材料55，并且在其底部包括：负极活性物质55的一部分。负极活性物质55的总量的至少50重量％取向为使得载流子的储存和释放方向成45度以上的角度相对于集电体52的表面为90°以下。

3. 发明授权

US08252462B2 Non-aqueous electrolyte secondary battery 有权
标题翻译：非水电解质二次电池
公开(公告)号：US08252462B2
公开(公告)日：2012-08-28
申请号：US12434873
申请日：2009-05-04
申请人： Naoyuki Wada , Yoshiyuki Ozaki , Shinji Kasamatsu , Yukihiro Okada
发明人： Naoyuki Wada , Yoshiyuki Ozaki , Shinji Kasamatsu , Yukihiro Okada
IPC分类号： H01M4/58
CPC分类号： H01M4/131 , H01M4/36 , H01M4/366 , H01M4/525 , H01M10/052 , H01M10/0569
摘要： A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and an insulating layer formed on a surface of the positive electrode. The positive electrode includes a lithium nickel composite oxide having a layer structure, and the lithium nickel composite oxide is represented by the general formula: LixNiyM1-yO2 where M is at least one selected from the group consisting of Na, Mg, Sc, Y, Mn, Fe, Co, Cu, Zn, Al, Cr, Pb, Sb, and B, 0
摘要翻译：非水电解质二次电池包括在正极的表面上形成的正极，负极，非水电解质和绝缘层。正极包括具有层结构的锂镍复合氧化物，并且锂镍复合氧化物由以下通式表示：LixNiyM1-yO2，其中M为选自Na，Mg，Sc，Y， Mn，Fe，Co，Cu，Zn，Al，Cr，Pb，Sb和B，0

4. 发明授权

US08617742B2 Non-aqueous electrolyte type lithium ion secondary cell 有权
标题翻译：非水电解质型锂离子二次电池
公开(公告)号：US08617742B2
公开(公告)日：2013-12-31
申请号：US13388512
申请日：2009-08-04
申请人： Koji Takahata , Yukihiro Okada
发明人： Koji Takahata , Yukihiro Okada
IPC分类号： H01M10/056 , H01M10/0568
CPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T29/49108 , Y10T29/4911
摘要： There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator, and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a spinel type structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −0.8≦log(β/α)≦1.5.
摘要翻译：提供了充放电循环特性优异的锂离子二次电池。锂离子二次电池包括电极体，其包括具有正极活性物质的正极，具有负极活性物质的负极和隔板，以及含有锂盐作为支持盐的非水电解质有机溶剂，电极体和非水电解质容纳在壳体中。正极活性物质是具有尖晶石型结构的锂过渡金属氧化物。所述电解质含有化学式（I）表示的化合物相对于在所述电池中混合的水分的总摩尔量的β摩尔量。 beta满足-0.8@log（beta / alpha）@ 1.5。

5. 发明申请

US20120129055A1 NON-AQUEOUS ELECTROLYTE TYPE LITHIUM ION SECONDARY CELL 有权
标题翻译：非水溶性电解质锂离子二次电池
公开(公告)号：US20120129055A1
公开(公告)日：2012-05-24
申请号：US13388550
申请日：2009-08-04
申请人： Koji Takahata , Yukihiro Okada
发明人： Koji Takahata , Yukihiro Okada
IPC分类号： H01M10/056 , H01M10/04
CPC分类号： H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T29/49108 , Y10T29/4911
摘要： There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes: an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator; and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a layered structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −1.3≦log(β/α)≦1.
摘要翻译：提供了充放电循环特性优异的锂离子二次电池。锂离子二次电池包括：电极体，包括具有正极活性物质的正极，具有负极活性物质的负极和隔膜; 以及在有机溶剂中含有锂盐作为负载盐的非水电解质，电极体和非水电解质容纳在壳体中。正极活性物质是具有层状结构的锂过渡金属氧化物。电解质含有化学式（I）表示的化合物，其量为＆bgr; 相对于在细胞中混合的水分的总含量α摩尔。＆bgr 满足-1.3＆nlE; log（＆bgr; /α）＆nlE; 1。

6. 发明申请

US20120129035A1 NON-AQUEOUS ELECTROLYTE TYPE LITHIUM ION SECONDARY CELL 有权
标题翻译：非水溶性电解质锂离子二次电池
公开(公告)号：US20120129035A1
公开(公告)日：2012-05-24
申请号：US13388512
申请日：2009-08-04
申请人： Koji Takahata , Yukihiro Okada
发明人： Koji Takahata , Yukihiro Okada
IPC分类号： H01M10/056 , H01M10/02 , H01M10/04
CPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T29/49108 , Y10T29/4911
摘要： There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator, and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a spinel type structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −0.8 log(β/α)≦1.5.
摘要翻译：提供了充放电循环特性优异的锂离子二次电池。锂离子二次电池包括电极体，其包括具有正极活性物质的正极，具有负极活性物质的负极和隔板，以及含有锂盐作为支持盐的非水电解质有机溶剂，电极体和非水电解质容纳在壳体中。正极活性物质是具有尖晶石型结构的锂过渡金属氧化物。电解质含有化学式（I）表示的化合物，其量为＆bgr; 相对于在细胞中混合的水分的总含量α摩尔。＆bgr 满足-0.8 log（＆bgr; /α）＆nlE; 1.5。

7. 发明授权

US08911906B2 Non-aqueous electrolyte type lithium ion secondary cell 有权
标题翻译：非水电解质型锂离子二次电池
公开(公告)号：US08911906B2
公开(公告)日：2014-12-16
申请号：US13388550
申请日：2009-08-04
申请人： Koji Takahata , Yukihiro Okada
发明人： Koji Takahata , Yukihiro Okada
IPC分类号： H01M10/056 , H01M10/0567 , H01M10/0568 , H01M10/0525
CPC分类号： H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T29/49108 , Y10T29/4911
摘要： There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes: an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator; and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a layered structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −1.3≦log(β/α)≦1.
摘要翻译：提供了充放电循环特性优异的锂离子二次电池。锂离子二次电池包括：电极体，包括具有正极活性物质的正极，具有负极活性物质的负极和隔膜; 以及在有机溶剂中含有锂盐作为负载盐的非水电解质，电极体和非水电解质容纳在壳体中。正极活性物质是具有层状结构的锂过渡金属氧化物。电解质含有化学式（I）表示的化合物，其量为＆bgr; 相对于在细胞中混合的水分的总含量α摩尔。＆bgr 满足-1.3＆nlE; log（＆bgr; /α）＆nlE; 1。

8. 发明申请

US20100310938A1 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
标题翻译：非水电解质二次电池
公开(公告)号：US20100310938A1
公开(公告)日：2010-12-09
申请号：US12865986
申请日：2009-03-18
申请人： Yukihiro Okada , Hideaki Fujita , Naoyuki Wada , Shigeru Hanaoka , Shinji Arimoto , Takahiro Okuyama
发明人： Yukihiro Okada , Hideaki Fujita , Naoyuki Wada , Shigeru Hanaoka , Shinji Arimoto , Takahiro Okuyama
IPC分类号： H01M4/131 , H01M4/88
CPC分类号： H01M4/131 , C01G53/42 , C01P2002/52 , C01P2002/54 , C01P2004/50 , C01P2004/61 , C01P2004/62 , C01P2006/40 , H01M4/02 , H01M4/1391 , H01M4/364 , H01M4/525
摘要： The present invention mainly relates to non-aqueous electrolyte secondary batteries. The present invention intends to provide a non-aqueous electrolyte secondary battery having excellent cycle characteristics and excellent storage characteristics.The non-aqueous electrolyte secondary battery of the present invention includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The positive electrode active material includes secondary particles each being an aggregate of a plurality of primary particles, and the primary particles have an average particle diameter of 0.8 μm or less. The secondary particles each contain aluminum atoms, and the content of the aluminum atoms is larger in a portion near the surface of each of the secondary particles than in a portion near the center of each of the secondary particles.
摘要翻译：本发明主要涉及非水电解质二次电池。本发明提供一种具有优异的循环特性和优异的储存特性的非水电解质二次电池。本发明的非水电解质二次电池包括正极，其包括正极活性物质，负极包含负极活性物质，隔膜插入在正极和负极之间，非水电解质。正极活性物质包括二次粒子，各二次粒子为多个一次粒子的骨料，一次粒子的平均粒径为0.8μm以下。次级粒子各自含有铝原子，并且在每个二次粒子的表面附近的部分中的铝原子的含量比在每个二次粒子的中心附近的部分大。

9. 发明授权

US07910242B2 Nonaqueous electrolyte secondary battery 失效
标题翻译：非水电解质二次电池
公开(公告)号：US07910242B2
公开(公告)日：2011-03-22
申请号：US12034460
申请日：2008-02-20
申请人： Naoyuki Wada , Hideaki Fujita , Yukihiro Okada , Yoshiyuki Muraoka
发明人： Naoyuki Wada , Hideaki Fujita , Yukihiro Okada , Yoshiyuki Muraoka
IPC分类号： H01M2/00
CPC分类号： H01M2/0257 , H01M2/022 , H01M2/0275 , H01M2/12 , H01M10/0587
摘要： In a nonaqueous electrolyte secondary battery in which an electrode plate group including a positive electrode plate and a negative electrode plate which have a positive electrode mixture layer formed on a positive electrode current collector to contain a positive electrode active material and a negative electrode mixture layer formed on a negative electrode current collector to contain a negative electrode active material, respectively, and are spirally wound or stacked with a separator interposed therebetween is encapsulated in a battery exterior packaging body with an electrolyte, the battery exterior packaging body includes a gas releasing valve for releasing gas in the battery exterior packaging body to the outside when a gas pressure in the battery exterior packaging body reaches a working pressure and is formed to be deformable where the gas pressure in the battery exterior packaging body is lower than the working pressure of the gas releasing valve.
摘要翻译：在包含正极板和负极板的电极板组的非水电解质二次电池中，所述正极板和负极板在正极集电体上形成含有正极活性材料和负极混合物层的正极混合层在负极集电体上分别包含负极活性物质并且分别被间隔开地螺旋卷绕或层叠的隔膜的电池外包装体中，电池外包装体包括气体释放阀，其用于当电池外包装体中的气体压力达到工作压力时，将电池外包装体中的气体释放到外部，并且形成为可变形，其中电池外包装体中的气体压力低于气体的工作压力释放阀。

10. 发明申请

US20090305123A1 SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME 失效
标题翻译：二次电池及其制造方法
公开(公告)号：US20090305123A1
公开(公告)日：2009-12-10
申请号：US12520679
申请日：2008-10-17
申请人： Naoyuki Wada , Kiyomi Kozuki , Hideaki Fujita , Yukihiro Okada
发明人： Naoyuki Wada , Kiyomi Kozuki , Hideaki Fujita , Yukihiro Okada
IPC分类号： H01M6/10 , H01M4/82
CPC分类号： H01M2/263 , H01M10/0525 , H01M10/345 , Y10T29/49108
摘要： A secondary battery includes an electrode group 4 in which a positive electrode plate 1 and a negative electrode plate 2 are wounded with a porous insulation layer interposed therebetween, wherein an electrode plate end portion 1a protrudes from the porous insulation layer and abuts the current collector plate 5, and the current collector plate 5 is placed in relation to the electrode group 4 so as to entirely cover the end portion 1a of the electrode group 4. Parts of the electrode plate end portion 1a abutting the current collector plate 5 are welded to the current collector plate 5 at discrete joint portions 6 on the current collector plate 5, and the joint portions 6 are discretely provided on a surface of the current collector plate 5 so that a current flowing from the electrode plate 1 to the current collector plate 5 is uniformly distributed.
摘要翻译：二次电池包括电极组4，其中正极板1和负极板2以介于其间的多孔绝缘层缠绕，其中电极板端部1a从多孔绝缘层突出并邻接集电板如图5所示，集电板5相对于电极组4放置，以完全覆盖电极组4的端部1a。与集电板5邻接的电极板端部1a的部分焊接到在集电板5上的离散接合部6处的集电板5和接合部6离散地设置在集电板5的表面，使得从电极板1流向集电板5的电流为均匀分布。

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