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    SECONDARY BATTERY SYSTEM
    2.
    发明申请
    SECONDARY BATTERY SYSTEM 有权
    二次电池系统

    公开(公告)号：US20110012604A1

    公开(公告)日：2011-01-20

    申请号：US12934141

    申请日：2009-03-26

    申请人： Akira Tsujiko ,  Tomitaro Hara ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Keiko Wasada ,  Sachie Yuasa

    发明人： Akira Tsujiko ,  Tomitaro Hara ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Keiko Wasada ,  Sachie Yuasa

    IPC分类号： G01N27/416

    CPC分类号： H01M10/48 ,  G01R31/362 ,  G01R31/3648 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/0525 ,  Y02T10/7011

    摘要： Provided is a secondary battery system which can accurately detect a state of a secondary battery system (such as a secondary battery state and a secondary battery system failure). The secondary battery system (6) includes dV/dQ calculation means which calculates a dV/dQ value as a ratio of a change amount dV of a battery voltage V of a secondary battery (100) against a change amount dQ of an accumulation amount Q when the accumulation amount Q of the secondary battery (100) is changed. The secondary battery system (6) detects the state of the secondary battery system (6) by using the dV/dQ value.

    摘要翻译： 提供了能够精确地检测二次电池系统的状态（例如二次电池状态和二次电池系统故障）的二次电池系统。 二次电池系统（6）包括dV / dQ计算装置，其计算作为二次电池（100）的电池电压V的变化量dV与累积量Q的变化量dQ的比率的dV / dQ值 当二次电池（100）的积累量Q改变时。 二次电池系统（6）通过使用dV / dQ值来检测二次电池系统（6）的状态。

    METHOD OF CHARGING AND MAINTAINING LITHIUM ION SECONDARY BATTERY, BATTERY SYSTEM, VEHICLE AND BATTERY-MOUNTED DEVICE
    4.
    发明申请
    METHOD OF CHARGING AND MAINTAINING LITHIUM ION SECONDARY BATTERY, BATTERY SYSTEM, VEHICLE AND BATTERY-MOUNTED DEVICE 有权
    充电和维护锂离子二次电池的方法，电池系统，车辆和电池安装装置

    公开(公告)号：US20120068666A1

    公开(公告)日：2012-03-22

    申请号：US13264800

    申请日：2009-04-28

    申请人： Takeshi Abe ,  Akira Tsujiko ,  Tomitaro Hara ,  Keiko Wasada ,  Sachie Yuasa

    发明人： Takeshi Abe ,  Akira Tsujiko ,  Tomitaro Hara ,  Keiko Wasada ,  Sachie Yuasa

    IPC分类号： H02J7/00

    CPC分类号： H01M10/44 ,  H01M4/5825 ,  H01M10/0525 ,  H02J7/0075 ,  Y02E60/122

    摘要： An object is to provide a method of charging and maintaining a lithium ion secondary battery which method is capable of preventing a decrease in the capacity of the battery. Another object is to provide a battery system capable of preventing a decrease in battery capacity, and a vehicle and a battery-mounted device which have such a battery system mounted therein. A method of charging and maintaining lithium ion secondary batteries 101 using positive active material particles 135 made from a two-phase coexistence type positive active material PM in a positive electrode plate 130 includes an overcharge step S7 for charging the lithium ion secondary batteries to bring their SOC (State of Charge) SC into an overcharge SOC not higher than 100% but higher than a target SOC, a return discharge step S8 for discharging, after the overcharge step, the lithium ion secondary batteries to make their SOC equal to the target SOC, and a maintaining step S10.

    摘要翻译： 本发明的目的是提供一种锂离子二次电池的充电和维护方法，该方法能够防止电池容量的降低。 另一个目的是提供一种能够防止电池容量降低的电池系统，以及安装有这样的电池系统的车载电池装置。 使用由正极板130中的两相共存型正极活性物质PM制成的正极活性物质粒子135对锂离子二次电池101进行充电和维持的方法包括对锂离子二次电池进行充电的过充电步骤S7， SOC（充电状态）SC变为不高于目标SOC的过充电SOC，用于在过充电步骤之后放电锂离子二次电池以使其SOC等于目标SOC的返回放电步骤S8 ，以及维持步骤S10。

    Secondary battery system
    6.
    发明授权
    Secondary battery system 有权
    二次电池系统

    公开(公告)号：US08742725B2

    公开(公告)日：2014-06-03

    申请号：US12934141

    申请日：2009-03-26

    申请人： Akira Tsujiko ,  Tomitaro Hara ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Keiko Wasada ,  Sachie Yuasa

    发明人： Akira Tsujiko ,  Tomitaro Hara ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Keiko Wasada ,  Sachie Yuasa

    IPC分类号： H02J7/00

    CPC分类号： H01M10/48 ,  G01R31/362 ,  G01R31/3648 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/0525 ,  Y02T10/7011

    摘要： Provided is a secondary battery system which can accurately detect a state of a secondary battery system (such as a secondary battery state and a secondary battery system failure). The secondary battery system (6) includes dV/dQ calculation means which calculates a dV/dQ value as a ratio of a change amount dV of a battery voltage V of a secondary battery (100) against a change amount dQ of an accumulation amount Q when the accumulation amount Q of the secondary battery (100) is changed. The secondary battery system (6) detects the state of the secondary battery system (6) by using the dV/dQ value.

    摘要翻译： 提供了能够精确地检测二次电池系统的状态（例如二次电池状态和二次电池系统故障）的二次电池系统。 二次电池系统（6）包括dV / dQ计算装置，其计算作为二次电池（100）的电池电压V的变化量dV与累积量Q的变化量dQ的比率的dV / dQ值 当二次电池（100）的累积量Q改变时。 二次电池系统（6）通过使用dV / dQ值来检测二次电池系统（6）的状态。

    Control method for lithium ion secondary battery, and lithium ion secondary battery system
    7.
    发明授权
    Control method for lithium ion secondary battery, and lithium ion secondary battery system 有权
    锂离子二次电池和锂离子二次电池系统的控制方法

    公开(公告)号：US08384345B2

    公开(公告)日：2013-02-26

    申请号：US13056686

    申请日：2009-06-30

    申请人： Tomitaro Hara ,  Akira Tsujiko ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Sachie Yuasa ,  Keiko Wasada

    发明人： Tomitaro Hara ,  Akira Tsujiko ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Sachie Yuasa ,  Keiko Wasada

    IPC分类号： H02J7/00 ,  H02J7/16

    CPC分类号： H01M10/0525 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/44 ,  H01M10/448 ,  Y02T10/7011

    摘要： A control method for a lithium ion secondary battery includes performing a charging step of charging the lithium ion secondary battery with a predetermined quantity of electricity when the battery voltage of the lithium ion secondary battery has decreased to a lower limit battery voltage that is set at a value that falls within a range higher than (B−C) V and lower than or equal to (B−C+0.2) V where a maximum value of a positive electrode potential of a flat portion in a discharge positive electrode potential curve is B (V) and a negative electrode dissolution potential is C (V). It is possible to suppress a dissolution of a negative electrode current collector of the lithium ion secondary battery to prevent the service life of the lithium ion secondary battery from shortening because of an internal short circuit.

    摘要翻译： 锂离子二次电池的控制方法包括以下步骤：当锂离子二次电池的电池电压降低到设定在所述锂离子二次电池的下限电池电压时，执行对所述锂离子二次电池进行预定充电的充电步骤 （B-C）V以下且低于或等于（B-C + 0.2）V的范围内的值，其中放电正极电位曲线中的平坦部分的正极电位的最大值为B （V），负极溶解电位为C（V）。 可以抑制锂离子二次电池的负极集电体的溶解，以防止锂离子二次电池的使用寿命因内部短路而缩短。

    CONTROL METHOD FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY SYSTEM
    8.
    发明申请
    CONTROL METHOD FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY SYSTEM 有权
    锂离子二次电池控制方法和锂离子二次电池系统

    公开(公告)号：US20120105006A1

    公开(公告)日：2012-05-03

    申请号：US13056686

    申请日：2009-06-30

    申请人： Tomitaro Hara ,  Akira Tsujiko ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Sachie Yuasa ,  Keiko Wasada

    发明人： Tomitaro Hara ,  Akira Tsujiko ,  Takuichi Arai ,  Tsuyoshi Yano ,  Daisuke Teramoto ,  Sachie Yuasa ,  Keiko Wasada

    IPC分类号： H02J7/00

    CPC分类号： H01M10/0525 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/44 ,  H01M10/448 ,  Y02T10/7011

    摘要： A control method for a lithium ion secondary battery includes performing a charging step of charging the lithium ion secondary battery with a predetermined quantity of electricity when the battery voltage of the lithium ion secondary battery has decreased to a lower limit battery voltage that is set at a value that falls within a range higher than (B−C) V and lower than or equal to (B−C+0.2) V where a maximum value of a positive electrode potential of a flat portion in a discharge positive electrode potential curve is B (V) and a negative electrode dissolution potential is C (V). It is possible to suppress a dissolution of a negative electrode current collector of the lithium ion secondary battery to prevent the service life of the lithium ion secondary battery from shortening because of an internal short circuit.

    摘要翻译： 锂离子二次电池的控制方法包括以下步骤：当锂离子二次电池的电池电压降低到设定在所述锂离子二次电池的下限电池电压时，执行对所述锂离子二次电池进行预定充电的充电步骤 （B-C）V以下且低于或等于（B-C + 0.2）V的范围内的值，其中放电正极电位曲线中的平坦部分的正极电位的最大值为B （V），负极溶解电位为C（V）。 可以抑制锂离子二次电池的负极集电体的溶解，以防止锂离子二次电池的使用寿命因内部短路而缩短。