公开(公告)号：US09935339B2

公开(公告)日：2018-04-03

申请号：US13993965

申请日：2011-12-16

申请人： Satoshi Yoshida ,  Eiji Okutani ,  Hideyuki Inomata ,  Ryuji Ohshita

发明人： Satoshi Yoshida ,  Eiji Okutani ,  Hideyuki Inomata ,  Ryuji Ohshita

IPC分类号： H01M10/0587 ,  H01M2/22 ,  H01M2/34 ,  H01M2/26

CPC分类号： H01M10/0587 ,  H01M2/22 ,  H01M2/263 ,  H01M2/34

摘要： [Problem] To provide a rectangular nonaqueous electrolyte secondary battery for which the generation of a magnetic field due to current during use is suppressed and the danger of internal shorts between the positive electrode tab and negative electrode tab is reduced. [Solution] The positive electrode tab and negative electrode tab are both disposed at the beginning side of a winding for wound electrodes. An outer housing and sealing plate are welded in a state with the positive electrode tab sandwiched at a mating part of the outer housing and sealing plate. The negative electrode tab is electrically connected to a negative electrode terminal provided on the sealing plate. The positive electrode tab and negative electrode tab are divided by a space of 2-12 mm in the direction of battery width.

公开(公告)号：US20130260203A1

公开(公告)日：2013-10-03

申请号：US13993965

申请日：2011-12-16

申请人： Satoshi Yoshida ,  Eiji Okutani ,  Hideyuki Inomata ,  Ryuji Ohshita

发明人： Satoshi Yoshida ,  Eiji Okutani ,  Hideyuki Inomata ,  Ryuji Ohshita

IPC分类号： H01M10/0587

CPC分类号： H01M10/0587 ,  H01M2/22 ,  H01M2/263 ,  H01M2/34

摘要： [Problem] To provide a rectangular nonaqueous electrolyte secondary battery for which the generation of a magnetic field due to current during use is suppressed and the danger of internal shorts between the positive electrode tab and negative electrode tab is reduced. [Solution] The positive electrode tab and negative electrode tab are both disposed at the beginning side of a winding for wound electrodes. An outer housing and sealing plate are welded in a state with the positive electrode tab sandwiched at a mating part of the outer housing and sealing plate. The negative electrode tab is electrically connected to a negative electrode terminal provided on the sealing plate. The positive electrode tab and negative electrode tab are divided by a space of 2-12 mm in the direction of battery width.

摘要翻译： [问题]提供一种矩形非水电解质二次电池，其在使用期间由于电流产生磁场而被抑制，并且正极片和负电极片之间的内部短路的危险降低。 [解决方案]正电极片和负电极片均设置在用于缠绕电极的绕组的起始侧。 在外壳和密​​封板的外壳和密封板的配合部分处于正电极片的状态下焊接外壳和密封板。 负极接线片电连接到设置在密封板上的负极端子。 正电极片和负电极片沿电池宽度方向分隔2-12mm的空间。

公开(公告)号：US08268021B2

公开(公告)日：2012-09-18

申请号：US12398282

申请日：2009-03-05

申请人： Satoshi Yoshida ,  Eiji Okutani ,  Hironori Marubayashi ,  Hideyuki Inomata

发明人： Satoshi Yoshida ,  Eiji Okutani ,  Hironori Marubayashi ,  Hideyuki Inomata

IPC分类号： H01M4/82

CPC分类号： H01M2/08 ,  H01M10/052 ,  Y10T29/49108

摘要： A method for manufacturing a sealed battery for the invention uses an outer can 15 with an opening and a sealing plate 16 provided with a rising part which rises perpendicularly from the middle of a flange on the entire circumference of or a part of the fitted face with the battery outer can 15. The method includes inserting the sealing plate 16 into the opening of the battery outer can 15 so that the top faces of both the battery outer can 15 and the flange of the sealing plate 16 are substantially in the same plane, and irradiating the fitted part of the opening of the battery outer can 15 and the sealing plate 16 with a high energy beam for welding.

摘要翻译： 本发明的密封电池的制造方法使用具有开口的外罐15和设置有从安装面的整周或凸部的中部垂直向上升起的上升部的密封板16， 电池外罐15.该方法包括将密封板16插入电池外罐15的开口中，使得电池外罐15的两个顶面和密封板16的凸缘基本上在同一平面内， 并用高能量的光束照射电池外罐15和密封板16的开口的装配部分进行焊接。

公开(公告)号：US20120315533A1

公开(公告)日：2012-12-13

申请号：US13588024

申请日：2012-08-17

申请人： Satoshi Yoshida ,  Eiji Okutani ,  Hironori Marubayashi ,  Hideyuki Inomata

发明人： Satoshi Yoshida ,  Eiji Okutani ,  Hironori Marubayashi ,  Hideyuki Inomata

IPC分类号： H01M2/08

CPC分类号： H01M2/08 ,  H01M10/052 ,  Y10T29/49108

摘要： A sealed battery uses an outer can 15 with an opening and a sealing plate 16 provided with a rising part which rises perpendicularly from the middle of a flange on the entire circumference of or a part of the fitted face with the battery outer can 15. A production method thereof includes inserting the sealing plate 16 into the opening of the battery outer can 15 so that the top faces of both the battery outer can 15 and the flange of the sealing plate 16 are substantially in the same plane, and irradiating the fitted part of the opening of the battery outer can 15 and the sealing plate 16 with a high energy beam for welding.

摘要翻译： 密封电池使用具有开口的外罐15和设置有从电池外罐15的嵌合面的整个周边或一部分上的凸缘的中部垂直向上升起的升降部的密封板16.A 其制造方法包括将密封板16插入电池外罐15的开口中，使得电池外罐15的两个顶面和密封板16的凸缘基本上在同一平面内，并且照射装配的部件 电池外罐15和密封板16的开口具有用于焊接的高能量束。

公开(公告)号：US20060194111A1

公开(公告)日：2006-08-31

申请号：US11362225

申请日：2006-02-27

申请人： Keisuke Ooga ,  Masato Iwanaga ,  Hideyuki Inomata ,  Ryuji Ohshita

发明人： Keisuke Ooga ,  Masato Iwanaga ,  Hideyuki Inomata ,  Ryuji Ohshita

IPC分类号： H01M4/52

CPC分类号： H01M10/4235 ,  H01M4/1391 ,  H01M10/0567 ,  H01M2004/021 ,  H01M2004/028

摘要： A non-aqueous electrolyte secondary cell excellent in cycle characteristics is provided. This purpose is achieved by the following structure. A non-aqueous electrolyte secondary cell has a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a non-aqueous electrolyte having a non-aqueous solvent and an electrolytic salt. The positive electrode active material has a lithium-cobalt compound oxide having added therein at least zirconium. The non-aqueous electrolyte has LiBF4 at from 0.05 to 1.0 mass % of a total mass of the non-aqueous electrolyte and unsaturated cyclic carbonate at from 1.0 to 4.0 mass %. The true density ratio of the positive electrode is 0.72 or greater, the true density ratio being represented by formula 1 shown below: (Formula 1) True density ratio=active material apparent density of electrode active material layer÷true density of active material.

摘要翻译： 提供循环特性优异的非水电解质二次电池。 该目的通过以下结构实现。 非水电解质二次电池具有具有正极活性物质的正极，具有负极活性物质的负极和具有非水溶剂和电解质盐的非水电解质。 正极活性物质具有至少添加有锆的锂 - 钴复合氧化物。 所述非水电解质的LiBF 4 N 2的含量为0.05〜1.0质量％，非水电解质和不饱和环状碳酸酯的总质量为1.0〜4.0质量％。 正极的真密度比为0.72以上，真密度比由下式1表示：（式1）真密度比=电极活性物质层的活性物质表观密度/活性物质的真密度。

公开(公告)号：US07704640B2

公开(公告)日：2010-04-27

申请号：US11362225

申请日：2006-02-27

申请人： Keisuke Ooga ,  Masato Iwanaga ,  Hideyuki Inomata ,  Ryuji Ohshita

发明人： Keisuke Ooga ,  Masato Iwanaga ,  Hideyuki Inomata ,  Ryuji Ohshita

IPC分类号： H01M4/58

CPC分类号： H01M10/4235 ,  H01M4/1391 ,  H01M10/0567 ,  H01M2004/021 ,  H01M2004/028

摘要： A non-aqueous electrolyte secondary cell excellent in cycle characteristics is provided. This purpose is achieved by the following structure. A non-aqueous electrolyte secondary cell has a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a non-aqueous electrolyte having a non-aqueous solvent and an electrolytic salt. The positive electrode active material has a lithium-cobalt compound oxide having added therein at least zirconium. The non-aqueous electrolyte has LiBF4 at from 0.05 to 1.0 mass % of a total mass of the non-aqueous electrolyte and unsaturated cyclic carbonate at from 1.0 to 4.0 mass %. The true density ratio of the positive electrode is 0.72 or greater, the true density ratio being represented by formula 1 shown below: (Formula 1) True density ratio=active material apparent density of electrode active material layer÷true density of active material.

摘要翻译： 提供循环特性优异的非水电解质二次电池。 该目的通过以下结构实现。 非水电解质二次电池具有具有正极活性物质的正极，具有负极活性物质的负极和具有非水溶剂和电解质盐的非水电解质。 正极活性物质具有至少添加有锆的锂 - 钴复合氧化物。 非水电解质的LiBF 4的含量为0.05〜1.0质量％，非水电解质和不饱和环状碳酸酯的总质量为1.0〜4.0质量％。 正极的真密度比为0.72以上，真密度比由下式1表示：（式1）真密度比=活性物质活性物质表观密度÷活性物质的真密度。

公开(公告)号：US06376121B1

公开(公告)日：2002-04-23

申请号：US09485172

申请日：2000-02-07

申请人： Hideyuki Inomata ,  Naoya Nakanishi ,  Mitsuzo Nogami ,  Ikuo Yonezu ,  Koji Nishio

发明人： Hideyuki Inomata ,  Naoya Nakanishi ,  Mitsuzo Nogami ,  Ikuo Yonezu ,  Koji Nishio

IPC分类号： H01M610

CPC分类号： H01M10/052 ,  H01M2/26 ,  H01M2/263 ,  H01M4/13 ,  H01M6/10 ,  H01M10/0431 ,  H01M10/0587 ,  Y10T29/49108

摘要： A lithium secondary cell is disclosed in which a positive electrode plate and a negative electrode plate are spirally wound with a sheet of separator interposed therebetween. A plurality of positive electrode current collector tabs are attached to the positive electrode plate so that an interval is formed between the positive electrode current collector tabs in a longitudinal direction of the positive electrode plate, and a plurality of negative electrode current collector tabs are attached to the negative electrode plate so that an interval is formed between the plurality of the negative electrode current collector tabs in a longitudinal direction of the negative electrode plate. In a state of the positive electrode plate and negative electrode plate being wound together, the positive electrode current collector tabs and the negative electrode current collector tabs are so disposed as to face each other with the separator interposed therebetween.

摘要翻译： 公开了一种锂二次电池，其中正极板和负极板通过间隔开的隔板螺旋卷绕。 在正极板上安装有多个正极集电体突片，使得正极集电体片在正极板的长度方向上形成间隔，多个负极集电片附接到 负极板，使得在负极集电片之间沿着负极板的长度方向形成间隔。 在将正极板和负极板卷绕在一起的状态下，正极集电体接头和负极集电体突片被设置成彼此面对，隔着隔板。

公开(公告)号：US20100190064A1

公开(公告)日：2010-07-29

申请号：US12690981

申请日：2010-01-21

申请人： Yoshihiko Ikeda ,  Takuya Morimoto ,  Hideyuki Inomata

发明人： Yoshihiko Ikeda ,  Takuya Morimoto ,  Hideyuki Inomata

IPC分类号： H01M6/16

CPC分类号： H01M10/0525 ,  H01M10/0567 ,  H01M2004/021 ,  H01M2004/028 ,  Y02T10/7011

摘要： The nonaqueous electrolyte secondary battery uses a positive electrode active material which is a mixture of large particle diameter-positive electrode active material particles having a central particle diameter D50 of 15 to 30 μm and small particle diameter-positive electrode active material particles having a central particle diameter D50 of 1 to 8 μm, in which the particle size distribution has a peak having a relative particle amount of 5% or more in each of a particle diameter range of 15 to 30 μm and a particle diameter range of 1 to 8 μm, and the nonaqueous electrolyte contains 1,3-dioxane, a vinylene carbonate compound, and at least one type of aromatic compound selected from a cycloalkylbenzene compound and a compound having a quaternary carbon adjacent to a benzene ring, thus having high safety when overcharged, a large initial capacity and excellent charging-discharging cycle characteristics and generating less gas.

摘要翻译： 非水电解质二次电池使用正极活性物质，其是具有中心粒径D50为15〜30μm的大粒径 - 正极活性物质粒子和具有中心粒子的小粒径 - 正极活性物质粒子的混合物 直径D50为1〜8μm，粒径分布在粒径为15〜30μm，粒径为1〜8μm的范围内具有相对粒径为5％以上的峰， 非水电解质含有1,3-二恶烷，碳酸亚乙烯酯化合物和选自环烷基苯化合物和具有与苯环相邻的季碳的化合物中的至少一种芳族化合物，因此当过充电时具有高安全性， 初始容量大，充放电循环特性优异，产气少。

公开(公告)号：US20070178380A1

公开(公告)日：2007-08-02

申请号：US10584266

申请日：2004-12-24

申请人： Masato Iwanaga ,  Hideyuki Inomata ,  Keisuke Ooga ,  Koji Abe ,  Kazuhiro Miyoshi

发明人： Masato Iwanaga ,  Hideyuki Inomata ,  Keisuke Ooga ,  Koji Abe ,  Kazuhiro Miyoshi

IPC分类号： H01M4/58 ,  H01M10/40

CPC分类号： H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0569

摘要： A nonaqueous electrolyte secondary battery comprising a negative electrode constituted of a carbonaceous material permitting reversible insertion and desorption of lithium, a positive electrode permitting reversible insertion and desorption of lithium, a separator separating these positive electrode and negative electrode from each other and a nonaqueous electrolyte composed of an organic solvent and, dissolved therein, a solute of lithium salt, wherein the nonaqueous electrolyte contains vinylene carbonate and di(2-propynyl) oxalate, these vinylene carbonate and di(2-propynyl) oxalate added in an amount of 0.1 to 3.0% by mass and 0.1 to 2.0% by mass, respectively, based on the mass of the nonaqueous electrolyte. Thus, there can be provided a nonaqueous electrolyte secondary battery wherein a stable SEI surface coating is formed to thereby exhibit a large initial capacity and excel in cycle characteristics at high temperature and wherein any cell swelling is slight.

摘要翻译： 一种非水电解质二次电池，包括由允许锂的可逆插入和解吸的碳质材料构成的负极，允许锂的可逆插入和解吸的正极，将这些正极和负极彼此分离的隔板和构成的非水电解质 的有机溶剂中溶解有锂盐溶质，其中非水电解质含有碳酸亚乙烯酯和草酸二（2-丙炔基）酯，这些碳酸亚乙烯酯和草酸二（2-丙炔基）的添加量为0.1〜3.0 质量％，以质量计0.1〜2.0质量％。 因此，可以提供一种非水电解质二次电池，其中形成稳定的SEI表面涂层，从而表现出大的初始容量，并且在高温下具有优异的循环特性，并且其中任何电池膨胀都很小。

公开(公告)号：US20070015056A1

公开(公告)日：2007-01-18

申请号：US10570349

申请日：2004-09-02

申请人： Kouichi Takei ,  Kiyoshi Suzuki ,  Tatsuya Nishida ,  Hideyuki Inomata ,  Hiroshi Nakagawa ,  Katsuya Imai ,  Yoshihiro Shoji ,  Masayuki Terasaka

发明人： Kouichi Takei ,  Kiyoshi Suzuki ,  Tatsuya Nishida ,  Hideyuki Inomata ,  Hiroshi Nakagawa ,  Katsuya Imai ,  Yoshihiro Shoji ,  Masayuki Terasaka

IPC分类号： H01M4/58 ,  H01M4/62 ,  H01M4/04

CPC分类号： H01M4/0471 ,  C01B32/20 ,  H01M4/04 ,  H01M4/366 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02T10/7011

摘要： In order to provide a nonaqueous electrolyte secondary battery negative electrode material that has an excellent discharging capacity, the charge/discharge efficiency and the charge load characteristics, a manufacturing method thereof, a nonaqueous electrolyte secondary battery negative electrode with the negative electrode material and a nonaqueous electrolyte secondary battery, the invention provides a nonaqueous electrolyte secondary battery negative electrode material including graphite particles that have a block-like structure where a plurality of flat graphite fine particles assembles or bonds non-parallel with each other, the aspect ratio of 5 or less and a volume of fine pores in the range of 10 to 105 nm in a volume of 400 to 2000 cm3/kg; and a layer of carbon formed on a surface of the graphite particle, wherein a ratio (by weight ratio) of the layer of carbon to the graphite particle is in the range of 0.001 to 0.01, a manufacturing method thereof, a nonaqueous electrolyte secondary battery negative electrode with the negative electrode material and a nonaqueous electrolyte secondary battery.

摘要翻译： 为了提供具有优异的放电容量，充放电效率和充电负荷特性的非水电解质二次电池负极材料，其制造方法，具有负极材料的非水电解质二次电池负极和非水电解质 电解质二次电池，本发明提供一种非水电解质二次电池负极材料，其包含石墨颗粒，所述石墨颗粒具有块状结构，其中多个扁平石墨微粒彼此组装或结合，长宽比为5以下 以及体积为400至2000cm 3 / kg体积的10至10nm范围内的细孔; 以及形成在石墨颗粒表面上的碳层，其中碳与石墨颗粒的重量比（重量比）在0.001至0.01的范围内，其制造方法，非水电解质二次电池 具有负极材料的负极和非水电解质二次电池。