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    Nonaqueous electrolyte secondary battery
    1.
    发明申请
    Nonaqueous electrolyte secondary battery 审中-公开
    非水电解质二次电池

    公开(公告)号：US20080241703A1

    公开(公告)日：2008-10-02

    申请号：US12078052

    申请日：2008-03-26

    申请人： Hidekazu Yamamoto ,  Yasuo Takano ,  Takanobu Chiga ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    发明人： Hidekazu Yamamoto ,  Yasuo Takano ,  Takanobu Chiga ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M10/26 ,  H01M4/58

    CPC分类号： H01M10/0525 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/621 ,  H01M4/661 ,  H01M4/70 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2004/021 ,  H01M2300/0025

    摘要： A nonaqueous electrolyte secondary battery which includes a positive electrode, a negative electrode and a separator stacked and wound in a cylindrical configuration, and which achieves a high energy density and superior cycle performance characteristics.The nonaqueous electrolyte secondary battery includes a positive electrode containing a positive active material, a negative electrode containing a negative active material, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte containing a solvent and a solute. Those positive electrode, negative electrode and separator are stacked and wound in a cylindrical configuration. Characteristically, the negative active material comprises a material that stores lithium via alloying with lithium, the solvent in the nonaqueous electrolyte contains a fluorinated cyclic carbonate, and the nonaqueous electrolyte has a viscosity of not higher than 2.5 mPas.

    摘要翻译： 一种非水电解质二次电池，其包括正极，负极和层叠并以圆筒形构成的隔板，并且具有高能量密度和优异的循环性能特性。 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，插入正极和负极之间的隔膜，以及含有溶剂和溶质的非水电解质。 这些正极，负极和隔板被堆叠并缠绕成圆柱形构造。 特别地，负极活性物质包括通过与锂合金化锂的材料，非水电解质中的溶剂含有氟化环状碳酸酯，非水电解质的粘度不高于2.5mPa·s。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    2.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非水电解质二次电池

    公开(公告)号：US20110151338A1

    公开(公告)日：2011-06-23

    申请号：US13059770

    申请日：2009-08-04

    申请人： Hidekazu Yamamoto ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    发明人： Hidekazu Yamamoto ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M10/056

    CPC分类号： H01M10/052 ,  H01M4/134 ,  H01M4/38 ,  H01M4/386 ,  H01M4/622 ,  H01M6/164 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2300/0034 ,  Y02E60/122

    摘要： The present invention is made to improve charge-discharge cycle performances under high temperature environment in a non-aqueous electrolyte secondary battery using a negative electrode containing a negative electrode active material of particulate silicon and/or silicon alloy and a binding agent.A non-aqueous electrolyte secondary battery according to the present invention includes a positive electrode 11, a negative electrode 12, a separator 13, and a non-aqueous electrolyte, wherein the negative electrode includes a negative electrode active material containing particulate silicon and/or silicon alloy and a binding agent, and the non-aqueous electrolyte contains fluorinated cyclic carbonate and a prescribed diisocyanate compound, and when Li storage volume per unit area of the negative electrode of the non-aqueous electrolyte secondary battery under charging condition is determined as A and the theoretical maximum Li storage volume per unit area of the negative electrode is determined as B, a utilizing rate (%) of negative electrode which is expressed by (A/B)×100 is 45% or less.

    摘要翻译： 本发明的目的在于提高使用含有硅和/或硅合金的负极活性物质的负极和粘合剂的非水电解质二次电池在高温环境下的充放电循环性能。 根据本发明的非水电解质二次电池包括正极11，负极12，隔膜13和非水电解质，其中所述负极包括含有颗粒状硅的负极活性物质和/或 硅合金和粘合剂，非水电解质含有氟化环状碳酸酯和规定的二异氰酸酯化合物，并且当非水电解质二次电池的负极在充电条件下的每单位面积的Li储存容积确定为A 将负极单位面积的理论最大Li储存容量确定为B，由（A / B）×100表示​​的负极的利用率（％）为45％以下。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    3.
    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：US20100081063A1

    公开(公告)日：2010-04-01

    申请号：US12568332

    申请日：2009-09-28

    申请人： Hidekazu Yamamoto ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    发明人： Hidekazu Yamamoto ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M6/16

    CPC分类号： H01M10/0568 ,  H01M4/0435 ,  H01M4/134 ,  H01M4/621 ,  H01M4/70 ,  H01M10/052 ,  H01M10/0569

    摘要： A non-aqueous electrolyte secondary battery has a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte dissolving a solute in a non-aqueous solvent wherein the negative electrode contains a negative electrode active material containing powdered silicon and/or silicon alloy and a binding agent, and the non-aqueous electrolyte contains a fluorinated cyclic carbonate represented by a general formula (1) below, and wherein when Li storage volume per unit area in the negative electrode during charging is determined as A and the theoretical maximum Li storage volume per unit area in the negative electrode is determined as B, a utilizing rate (%) of negative electrode as expressed by (A/B)×100 is 45% or less.

    摘要翻译： 非水电解质二次电池具有正极，负极，插入在正极和负极之间的隔膜以及将溶质溶解在非水溶剂中的非水电解质，其中负极含有负极 含有硅和/或硅合金粉末和粘合剂的电极活性材料，非水电解质含有下述通式（1）表示的氟化环状碳酸酯，其中当负极中的每单位面积的Li储存容积 在充电期间确定为A，将负极中每单位面积的理论最大Li储存容积确定为B，由（A / B）×100表示​​的负极的利用率（％）为45％以下。

    Non-aqueous electrolyte secondary battery
    4.
    发明授权
    Non-aqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号：US08802299B2

    公开(公告)日：2014-08-12

    申请号：US13059770

    申请日：2009-08-04

    申请人： Hidekazu Yamamoto ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    发明人： Hidekazu Yamamoto ,  Atsushi Fukui ,  Taizou Sunano ,  Maruo Kamino

    IPC分类号： H01M6/16 ,  H01M4/13 ,  H01M4/62 ,  H01M10/052 ,  H01M4/134 ,  H01M10/0567 ,  H01M10/0569 ,  H01M4/38

    CPC分类号： H01M10/052 ,  H01M4/134 ,  H01M4/38 ,  H01M4/386 ,  H01M4/622 ,  H01M6/164 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2300/0034 ,  Y02E60/122

    摘要： The present invention is made to improve charge-discharge cycle performances under high temperature environment in a non-aqueous electrolyte secondary battery using a negative electrode containing a negative electrode active material of particulate silicon and/or silicon alloy and a binding agent.A non-aqueous electrolyte secondary battery according to the present invention includes a positive electrode 11, a negative electrode 12, a separator 13, and a non-aqueous electrolyte, wherein the negative electrode includes a negative electrode active material containing particulate silicon and/or silicon alloy and a binding agent, and the non-aqueous electrolyte contains fluorinated cyclic carbonate and a prescribed diisocyanate compound, and when Li storage volume per unit area of the negative electrode of the non-aqueous electrolyte secondary battery under charging condition is determined as A and the theoretical maximum Li storage volume per unit area of the negative electrode is determined as B, a utilizing rate (%) of negative electrode which is expressed by (A/B)×100 is 45% or less.

    摘要翻译： 本发明的目的在于提高使用含有硅和/或硅合金的负极活性物质的负极和粘合剂的非水电解质二次电池在高温环境下的充放电循环性能。 根据本发明的非水电解质二次电池包括正极11，负极12，隔膜13和非水电解质，其中所述负极包括含有颗粒状硅的负极活性物质和/或 硅合金和粘合剂，非水电解质含有氟化环状碳酸酯和规定的二异氰酸酯化合物，并且当非水电解质二次电池的负极在充电条件下的每单位面积的Li储存容积确定为A 将负极单位面积的理论最大Li储存容量确定为B，由（A / B）×100表示​​的负极的利用率（％）为45％以下。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    5.
    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。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    6.
    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。

    Non-aqueous electrolyte secondary battery, and non-aqueous electrolyte solution for non-aqueous electrolyte secondary battery
    7.
    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。