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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

US09312559B2 Nonaqueous electrolyte secondary battery provided with a wound electrode body 有权
标题翻译：设置有卷绕电极体的非水电解质二次电池
公开(公告)号：US09312559B2
公开(公告)日：2016-04-12
申请号：US13825374
申请日：2010-09-22
申请人： Koji Takahata , Toshihiko Mitsuhashi , Naoyuki Wada
发明人： Koji Takahata , Toshihiko Mitsuhashi , Naoyuki Wada
IPC分类号： H01M4/02 , H01M4/133 , H01M4/1393 , H01M4/587 , H01M4/66 , H01M4/70 , H01M10/04 , H01M10/0587 , H01M4/62 , H01M4/505 , H01M4/525
CPC分类号： H01M10/0431 , H01M4/133 , H01M4/1393 , H01M4/505 , H01M4/525 , H01M4/587 , H01M4/622 , H01M4/623 , H01M4/625 , H01M4/661 , H01M4/70 , H01M10/0587 , H01M2004/021 , Y02E60/122
摘要： A main object of the present invention to provide a nonaqueous electrolyte secondary battery having high durability towards charge and discharge cycles, by preventing buckling of a wound electrode body. The secondary battery provided by the present invention comprises: a nonaqueous electrolyte; and a wound electrode body 80 configured by superposing on each other, and winding a positive electrode sheet 10 having a positive electrode collector formed to a sheet shape and a positive electrode active material layer formed on that collector, a, negative electrode sheet 20 having a negative electrode collector formed to a sheet shape and a negative electrode active material layer formed on that collector, and a separator 40 formed to a sheet shape. The negative electrode active material contained in the negative electrode active material layer is oriented in a predetermined direction. The positive electrode sheet 10, negative electrode sheet 20 and separator sheet 40 all have a tensile elongation at break of 2% or higher.
摘要翻译：本发明的主要目的是提供一种通过防止缠绕电极体的弯曲而对充放电循环具有高耐久性的非水电解质二次电池。本发明提供的二次电池包括：非水电解质; 以及卷绕电极体80，其通过叠置而构成，并卷绕具有形成为片状的正极集电体的正极片10和形成在该集电体上的正极活性物质层，a，具有形成为片状的负极集电体和形成在该集电体上的负极活性物质层，以及形成为片状的隔板40。包含在负极活性物质层中的负极活性物质沿预定方向取向。正极片10，负极片20和隔离片40均具有2％以上的拉伸断裂伸长率。

5. 发明申请

US20130177792A1 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
标题翻译：非电解电解质二次电池
公开(公告)号：US20130177792A1
公开(公告)日：2013-07-11
申请号：US13825374
申请日：2010-09-22
申请人： Koji Takahata , Toshihiko Mitsuhashi , Naoyuki Wada
发明人： Koji Takahata , Toshihiko Mitsuhashi , Naoyuki Wada
IPC分类号： H01M10/04
CPC分类号： H01M10/0431 , H01M4/133 , H01M4/1393 , H01M4/505 , H01M4/525 , H01M4/587 , H01M4/622 , H01M4/623 , H01M4/625 , H01M4/661 , H01M4/70 , H01M10/0587 , H01M2004/021 , Y02E60/122
摘要： A main object of the present invention to provide a nonaqueous electrolyte secondary battery having high durability towards charge and discharge cycles, by preventing buckling of a wound electrode body. The secondary battery provided by the present invention comprises: a nonaqueous electrolyte; and a wound electrode body 80 configured by superposing on each other, and winding a positive electrode sheet 10 having a positive electrode collector formed to a sheet shape and a positive electrode active material layer formed on that collector, a, negative electrode sheet 20 having a negative electrode collector formed to a sheet shape and a negative electrode active material layer formed on that collector, and a separator 40 formed to a sheet shape. The negative electrode active material contained in the negative electrode active material layer is oriented in a predetermined direction. The positive electrode sheet 10, negative electrode sheet 20 and separator sheet 40 all have a tensile elongation at break of 2% or higher.
摘要翻译：本发明的主要目的是提供一种通过防止缠绕电极体的弯曲而对充放电循环具有高耐久性的非水电解质二次电池。本发明提供的二次电池包括：非水电解质; 以及卷绕电极体80，其通过叠置而构成，并卷绕具有形成为片状的正极集电体的正极片10和形成在该集电体上的正极活性物质层，a，具有形成为片状的负极集电体和形成在该集电体上的负极活性物质层，以及形成为片状的隔板40。包含在负极活性物质层中的负极活性物质沿预定方向取向。正极片10，负极片20和隔离片40均具有2％以上的拉伸断裂伸长率。

6. 发明授权

US10777799B2 Non-aqueous electrolyte secondary battery 有权
公开(公告)号：US10777799B2
公开(公告)日：2020-09-15
申请号：US13989428
申请日：2010-11-26
申请人： Tomoyoshi Ueki , Naoyuki Wada , Yoshiyuki Ozaki
发明人： Tomoyoshi Ueki , Naoyuki Wada , Yoshiyuki Ozaki
IPC分类号： H01M2/16 , H01M10/052 , H01M10/0587
摘要： The present invention provides an optimal non-aqueous electrolyte secondary battery having high durability against high rate charging and discharging and excellent safety. The non-aqueous electrolyte secondary battery 100 according to the present invention comprises a positive electrode 10, a negative electrode 20 and a separator 30 which is interposed between the positive electrode 10 and the negative electrode 20. The separator 30 has a two-layer structure which is composed of a porous polyethylene layer 34 mainly composed of polyethylene, and a porous polymer layer 32 mainly composed of a polymer having higher oxidation resistance than that of the polyethylene, and an inorganic filler layer 40 including an inorganic filler and a binder is formed on the surface of the polyethylene layer 34 on which the porous polymer layer 32 is not formed.

7. 发明申请

US20130252056A1 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：US20130252056A1
公开(公告)日：2013-09-26
申请号：US13989428
申请日：2010-11-26
申请人： Tomoyoshi Ueki , Naoyuki Wada , Yoshiyuki Ozaki
发明人： Tomoyoshi Ueki , Naoyuki Wada , Yoshiyuki Ozaki
IPC分类号： H01M2/16
摘要： The present invention provides an optimal non-aqueous electrolyte secondary battery having high durability against high rate charging and discharging and excellent safety. The non-aqueous electrolyte secondary battery 100 according to the present invention comprises a positive electrode 10, a negative electrode 20 and a separator 30 which is interposed between the positive electrode 10 and the negative electrode 20. The separator 30 has a two-layer structure which is composed of a porous polyethylene layer 34 mainly composed of polyethylene, and a porous polymer layer 32 mainly composed of a polymer having higher oxidation resistance than that of the polyethylene, and an inorganic filler layer 40 including an inorganic filler and a binder is formed on the surface of the polyethylene layer 34 on which the porous polymer layer 32 is not formed.
摘要翻译：本发明提供了一种对高速充放电具有高耐久性和优异安全性的最佳非水电解质二次电池。根据本发明的非水电解质二次电池100包括正极10，负极20和介于正极10和负极20之间的隔板30.隔板30具有两层结构其由主要由聚乙烯形成的多孔聚乙烯层34和主要由聚乙烯的抗氧化性高的聚合物构成的多孔聚合物层32形成，并且形成包含无机填料和粘合剂的无机填料层40 在其上未形成多孔聚合物层32的聚乙烯层34的表面上。

8. 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。

9. 发明授权

US08354187B2 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：US08354187B2
公开(公告)日：2013-01-15
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： H01M2/26 , H01M4/00
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。

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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