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    Lithium secondary battery
    2.
    发明申请
    Lithium secondary battery 失效
    锂二次电池

    公开(公告)号：US20060141359A1

    公开(公告)日：2006-06-29

    申请号：US11316983

    申请日：2005-12-27

    申请人： Toshio Yanagida ,  Hiroshi Minami ,  Taizou Sunano ,  Maruo Kamino

    发明人： Toshio Yanagida ,  Hiroshi Minami ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M4/58 ,  H01M4/66

    CPC分类号： H01M10/052 ,  H01M4/134 ,  H01M4/382 ,  H01M4/386 ,  H01M10/0431 ,  H01M10/0567 ,  H01M10/4235 ,  H01M2004/021 ,  H01M2010/4292

    摘要： Charge-discharge cycle performance is improved in a lithium secondary battery that adopts a thin film made of silicon or a silicon alloy as its negative electrode active material and has a wound electrode structure. The lithium secondary battery includes: a negative electrode having a current collector and a thin film made of silicon or a silicon alloy as a negative electrode active material, the thin film provided on the current collector; a positive electrode; a separator; the positive and negative electrodes being overlapped with the separator interposed therebetween, and the positive and negative electrodes and the separator being wound around to form an electrode assembly; a non-aqueous electrolyte; and a battery case accommodating the electrode assembly. The ratio of charge capacity per unit area of the negative electrode to theoretical capacity per unit area of the positive electrode is within the range of from 1.9 to 4.4.

    摘要翻译： 在采用由硅或硅合金制成的薄膜作为负极活性物质并具有卷绕电极结构的锂二次电池中，充放电循环性能得到改善。 锂二次电池包括：具有集电体的负极和由硅或硅合金制成的薄膜作为负极活性物质，所述薄膜设置在集电体上; 正极; 分隔符 正极和负极与插入其间的隔膜重叠，并且正极和负极和隔板缠绕在一起形成电极组件; 非水电解质; 以及容纳电极组件的电池壳体。 负极单位面积的电荷容量与正极单位面积的理论容量的比例在1.9〜4.4的范围内。

    Lithium secondary battery
    3.
    发明授权
    Lithium secondary battery 失效
    锂二次电池

    公开(公告)号：US07556881B2

    公开(公告)日：2009-07-07

    申请号：US11316983

    申请日：2005-12-27

    申请人： Toshio Yanagida ,  Hiroshi Minami ,  Taizou Sunano ,  Maruo Kamino

    发明人： Toshio Yanagida ,  Hiroshi Minami ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M6/10 ,  H01M4/00

    CPC分类号： H01M10/052 ,  H01M4/134 ,  H01M4/382 ,  H01M4/386 ,  H01M10/0431 ,  H01M10/0567 ,  H01M10/4235 ,  H01M2004/021 ,  H01M2010/4292

    摘要： Charge-discharge cycle performance is improved in a lithium secondary battery that adopts a thin film made of silicon or a silicon alloy as its negative electrode active material and has a wound electrode structure. The lithium secondary battery includes: a negative electrode having a current collector and a thin film made of silicon or a silicon alloy as a negative electrode active material, the thin film provided on the current collector; a positive electrode; a separator; the positive and negative electrodes being overlapped with the separator interposed therebetween, and the positive and negative electrodes and the separator being wound around to form an electrode assembly; a non-aqueous electrolyte; and a battery case accommodating the electrode assembly. The ratio of theoretical capacity per unit area of the negative electrode to charge capacity per unit area of the positive electrode is within the range of from 1.9 to 4.4.

    摘要翻译： 在采用由硅或硅合金制成的薄膜作为其负极活性物质并具有卷绕电极结构的锂二次电池中，充放电循环性能得到改善。 锂二次电池包括：具有集电体的负极和由硅或硅合金制成的薄膜作为负极活性物质，所述薄膜设置在集电体上; 正极; 分隔符 正极和负极与插入其间的隔膜重叠，并且正极和负极和隔板缠绕在一起形成电极组件; 非水电解质; 以及容纳电极组件的电池壳体。 负极单位面积的理论容量与正极单位面积的充电容量之比在1.9〜4.4的范围内。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    6.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非水性电解质二次电池和非水溶性电解质溶液，用于非水电解质二次电池

    公开(公告)号：US20130022879A1

    公开(公告)日：2013-01-24

    申请号：US13639396

    申请日：2011-04-28

    申请人： Hidekazu Yamamoto ,  Kouhei Tuduki ,  Taizou Sunano ,  Maruo Kamino ,  Youichi Ohashi ,  Minoru Kotato

    发明人： Hidekazu Yamamoto ,  Kouhei Tuduki ,  Taizou Sunano ,  Maruo Kamino ,  Youichi Ohashi ,  Minoru Kotato

    IPC分类号： H01M10/0564

    CPC分类号： H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2300/0034 ,  Y02E60/122

    摘要： Provided is a nonaqueous electrolyte secondary battery which, even in the case of using a low-viscosity solvent having a narrow potential window, can increase the electrochemical stability of the nonaqueous electrolyte solution and suppress side reactions of the nonaqueous electrolyte solution during charge and discharge to reduce the degradation of the battery characteristics and has an excellent storage characteristic in high-temperature environments and a nonaqueous electrolyte solution for the nonaqueous electrolyte secondary battery. The nonaqueous electrolyte secondary battery includes: a positive electrode containing a positive-electrode active material; a negative electrode containing a negative-electrode active material; and a nonaqueous electrolyte solution containing a solute dissolved in a nonaqueous solvent, wherein the nonaqueous electrolyte solution further contains benzotrifluoride and a diisocyanate compound and the content of benzotrifluoride is 5% by volume or more in the nonaqueous electrolyte solution except the solute.

    摘要翻译： 提供一种非水电解质二次电池，即使在使用具有窄势窗的低粘度溶剂的情况下，也能够提高非水电解液的电化学稳定性，抑制非水电解液在充放电期间的副反应 降低电池特性的劣化，并且在高温环境中具有优异的储存特性和用于非水电解质二次电池的非水电解质溶液。 非水电解质二次电池包括：含有正极活性物质的正极; 含有负极活性物质的负极; 以及含有溶解在非水溶剂中的溶质的非水电解液，其中所述非水电解质溶液还含有苯并三氟化物和二异氰酸酯化合物，并且所述非水电解质溶液中除所述溶质以外，所述三氟甲苯的含量为5体积％以上。

    Lithium secondary battery
    7.
    发明授权
    Lithium secondary battery 失效
    锂二次电池

    公开(公告)号：US08101295B2

    公开(公告)日：2012-01-24

    申请号：US12056559

    申请日：2008-03-27

    申请人： Shouichiro Sawa ,  Taizou Sunano ,  Maruo Kamino

    发明人： Shouichiro Sawa ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M6/10 ,  H01M2/02 ,  H01M2/18

    CPC分类号： H01M10/0587 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/622 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0525 ,  Y02T10/7011

    摘要： A lithium secondary battery has a wound electrode assembly (5). The wound electrode assembly (5) has a negative electrode (2) having a negative electrode active material layer containing a negative electrode active material capable of alloying with lithium and having a filling density of 2.0 g/cc or less, a positive electrode (1) having a positive electrode active material layer containing a positive electrode active material made of a transition metal composite oxide, a separator (3) disposed between the positive and negative electrodes and having a penetration resistance of 500 g or greater, and a cylindrical hollow space (14) at a winding axis and in the vicinity thereof, wherein the positive electrode (1), the negative electrode (2), and the separator (3) are spirally wound. A columnar center pin (15) having a diameter of from 75% to 95% of the diameter of the hollow space is disposed in the hollow space.

    摘要翻译： 锂二次电池具有卷绕电极组件（5）。 卷绕电极组件（5）具有负极（2），其具有负极活性物质层，负极活性物质层含有与锂合金化的负极活性物质，填充密度为2.0g / cc以下，正极（1 ），其具有含有由过渡金属复合氧化物构成的正极活性物质的正极活性物质层，设置在正极和负极之间并具有500g以上的耐渗透性的隔膜（3）和圆筒状中空空间 （14）在卷绕轴及其附近，其中正极（1），负极（2）和隔板（3）螺旋卷绕。 具有中空空间直径的75％至95％直径的柱状中心销（15）设置在中空空间中。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    8.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
    非水电解质二次电池

    公开(公告)号：US20110200887A1

    公开(公告)日：2011-08-18

    申请号：US13029774

    申请日：2011-02-17

    申请人： Kouhei Tuduki ,  Hidekazu Yamamoto ,  Taizou Sunano ,  Maruo Kamino

    发明人： Kouhei Tuduki ,  Hidekazu Yamamoto ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M10/02

    CPC分类号： H01M10/0567 ,  H01M4/386 ,  H01M10/052

    摘要： A non-aqueous electrolyte secondary battery includes a positive electrode (1), a negative electrode (2) containing a negative electrode active material, a separator 3 interposed between the electrodes (1) and (2), and a non-aqueous electrolyte containing a non-aqueous solvent and a solute dissolved in the solvent. The non-aqueous electrolyte contains a compound represented by the following chemical formula (1): wherein n is an integer of from 2 to 6, each R represents a linear saturated hydrocarbon that may be an unsubstituted or may have a substituted group, and the Rs may be the same or different groups.

    摘要翻译： 非水电解质二次电池包括正极（1），含有负极活性物质的负极（2），插入电极（1）和（2）之间的隔膜3和含有 非水溶剂和溶解在溶剂中的溶质。 非水电解质含有下述化学式（1）表示的化合物：其中，n为2〜6的整数，R表示可以为未取代的或可具有取代基的直链状饱和烃， Rs可以是相同或不同的组。

    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERY
    9.
    发明申请
    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERY 审中-公开
    锂二次电池和锂二次电池负极

    公开(公告)号：US20100330424A1

    公开(公告)日：2010-12-30

    申请号：US12822696

    申请日：2010-06-24

    申请人： Kei Kobayashi ,  Yasuo Takano ,  Taizou Sunano ,  Maruo Kamino

    发明人： Kei Kobayashi ,  Yasuo Takano ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M4/58 ,  H01M4/02

    CPC分类号： H01M4/64 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/38 ,  H01M4/62 ,  H01M4/661

    摘要： A negative electrode (2) for a lithium secondary battery having a negative electrode current collector (21) having an arithmetical mean surface roughness Ra of 0.01 μm or greater and a negative electrode active material layer (22) formed on the negative electrode current collector (21). The negative electrode active material layer (22) contains a negative electrode active material (22a) including a material capable of alloying with lithium. A conductive layer (23) including a material not intercalating or deintercalating lithium is formed on the negative electrode active material layer.

    摘要翻译： 一种具有负极集电体（21）的锂二次电池用负极（2），其具有0.01μm以上的算术平均表面粗糙度Ra和形成在负极集电体上的负极活性物质层（22） 21）。 负极活性物质层（22）含有能够与锂合金化的材料的负极活性物质（22a）。 在负极活性物质层上形成包含不嵌锂或脱嵌锂的材料的导电层（23）。

    Non-aqueous electrolyte secondary battery, and non-aqueous electrolyte solution for non-aqueous electrolyte secondary battery
    10.
    发明授权
    Non-aqueous electrolyte secondary battery, and non-aqueous electrolyte solution for non-aqueous electrolyte secondary battery 有权
    非水电解质二次电池，非水电解质二次电池用非水电解液

    公开(公告)号：US09153841B2

    公开(公告)日：2015-10-06

    申请号：US13639396

    申请日：2011-04-28

    申请人： Hidekazu Yamamoto ,  Kouhei Tuduki ,  Taizou Sunano ,  Maruo Kamino ,  Youichi Ohashi ,  Minoru Kotato

    发明人： Hidekazu Yamamoto ,  Kouhei Tuduki ,  Taizou Sunano ,  Maruo Kamino ,  Youichi Ohashi ,  Minoru Kotato

    IPC分类号： H01M6/16 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/1393 ,  H01M4/133 ,  H01M4/1395 ,  H01M4/134

    CPC分类号： H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2300/0034 ,  Y02E60/122

    摘要： Provided is a nonaqueous electrolyte secondary battery which, even in the case of using a low-viscosity solvent having a narrow potential window, can increase the electrochemical stability of the nonaqueous electrolyte solution and suppress side reactions of the nonaqueous electrolyte solution during charge and discharge to reduce the degradation of the battery characteristics and has an excellent storage characteristic in high-temperature environments and a nonaqueous electrolyte solution for the nonaqueous electrolyte secondary battery. The nonaqueous electrolyte secondary battery includes: a positive electrode containing a positive-electrode active material; a negative electrode containing a negative-electrode active material; and a nonaqueous electrolyte solution containing a solute dissolved in a nonaqueous solvent, wherein the nonaqueous electrolyte solution further contains benzotrifluoride and a diisocyanate compound and the content of benzotrifluoride is 5% by volume or more in the nonaqueous electrolyte solution except the solute.

    摘要翻译： 提供一种非水电解质二次电池，即使在使用具有窄势窗的低粘度溶剂的情况下，也能够提高非水电解液的电化学稳定性，抑制非水电解液在充放电期间的副反应 降低电池特性的劣化，并且在高温环境中具有优异的储存特性和用于非水电解质二次电池的非水电解质溶液。 非水电解质二次电池包括：含有正极活性物质的正极; 含有负极活性物质的负极; 以及含有溶解在非水溶剂中的溶质的非水电解液，其中所述非水电解质溶液还含有苯并三氟化物和二异氰酸酯化合物，并且所述非水电解质溶液中除所述溶质以外，所述三氟甲苯的含量为5体积％以上。