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    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR SECONDARY BATTERY
    25.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR SECONDARY BATTERY 有权
    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。

    Non-aqueous electrolyte type lithium ion secondary cell
    26.
    发明授权
    Non-aqueous electrolyte type lithium ion secondary cell 有权
    非水电解质型锂离子二次电池

    公开(公告)号：US08911906B2

    公开(公告)日：2014-12-16

    申请号：US13388550

    申请日：2009-08-04

    申请人： Koji Takahata ,  Yukihiro Okada

    发明人： Koji Takahata ,  Yukihiro Okada

    IPC分类号： H01M10/056 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0525

    CPC分类号： H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49108 ,  Y10T29/4911

    摘要： There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes: an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator; and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a layered structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −1.3≦log(β/α)≦1.

    摘要翻译： 提供了充放电循环特性优异的锂离子二次电池。 锂离子二次电池包括：电极体，包括具有正极活性物质的正极，具有负极活性物质的负极和隔膜; 以及在有机溶剂中含有锂盐作为负载盐的非水电解质，电极体和非水电解质容纳在壳体中。 正极活性物质是具有层状结构的锂过渡金属氧化物。 电解质含有化学式（I）表示的化合物，其量为＆bgr; 相对于在细胞中混合的水分的总含量α摩尔。 ＆bgr 满足-1.3＆nlE; log（＆bgr; /α）＆nlE; 1。

    Nonaqueous electrolyte secondary battery
    27.
    发明授权
    Nonaqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号：US08673498B2

    公开(公告)日：2014-03-18

    申请号：US12518803

    申请日：2007-12-13

    申请人： Yoshiyuki Muraoka ,  Hajime Nishino ,  Yukihiro Okada ,  Mikinari Shimada ,  Miyuki Nakai

    发明人： Yoshiyuki Muraoka ,  Hajime Nishino ,  Yukihiro Okada ,  Mikinari Shimada ,  Miyuki Nakai

    IPC分类号： H01M4/00 ,  H01M2/16

    CPC分类号： H01M4/62 ,  H01M2/16 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/64 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/058 ,  H01M10/4235

    摘要： A nonaqueous electrolyte secondary battery includes a positive electrode (5), a negative electrode (6) and a porous insulation layer (7). The positive electrode (5) includes a positive electrode current collector (51) and a positive electrode mixture layer (52), and the negative electrode (6) includes a negative electrode current collector (61) and a negative electrode active material layer (62). After charging the nonaqueous electrolyte secondary battery, when a surface of the positive electrode mixture layer (52) and a surface of the negative electrode active material layer (62) are brought in contact with each other, terminals are provided, respectively, on the positive electrode current collector (51) and the negative electrode current collector (62) and a resistance value between the terminals is measured, the resistance value is 1.6 Ω·cm2 or more.

    摘要翻译： 非水电解质二次电池包括正极（5），负极（6）和多孔绝缘层（7）。 正极（5）包括正极集电体（51）和正极合剂层（52），负极（6）具有负极集电体（61）和负极活性物质层（62） ）。 在非水电解质二次电池充电之后，当正极合剂层（52）的表面和负极活性物质层（62）的表面彼此接触时，端子分别设置在正极 测定电极集电体51和负极集电体62之间的电阻值，电阻值为1.6Ω·cm 2以上。

    BATTERY CONTROL SYSTEM
    28.
    发明申请
    BATTERY CONTROL SYSTEM 有权
    电池控制系统

    公开(公告)号：US20130181684A1

    公开(公告)日：2013-07-18

    申请号：US13579304

    申请日：2010-09-27

    申请人： Tomoyoshi Ueki ,  Yukihiro Okada

    发明人： Tomoyoshi Ueki ,  Yukihiro Okada

    IPC分类号： H02J7/00

    CPC分类号： H02J7/0052 ,  B60L11/185 ,  B60L11/1861 ,  B60L2240/54 ,  B60L2240/545 ,  B60L2240/547 ,  B60L2240/549 ,  H01M10/42 ,  H01M10/44 ,  H01M10/48 ,  H02J7/0057 ,  H02J7/04 ,  H02J7/16 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/7088 ,  Y02T90/121 ,  Y02T90/128 ,  Y02T90/14

    摘要： A battery control system includes a lithium ion secondary battery and a control device and further includes a voltage storage unit, a resistance storage unit, a current storage unit, a difference obtaining unit for obtaining a difference resistance ΔR(Tja) between a normal internal resistance Rj(Tja) at a predetermined battery temperature Tja in a normal temperature range ATj and an initial internal resistance R0(Tja) at the predetermined battery temperature, and a maximum voltage calculation unit for giving a maximum inter-terminal voltage Vm(T), when at least a battery temperature T is within a low-temperature range ATl, as a value obtained by adding a product of the difference resistance ΔR(Tja) and the allowable charging current Im(T) to the initial maximum inter-terminal voltage Vm0(T).

    摘要翻译： 电池控制系统包括锂离子二次电池和控制装置，还包括电压存储单元，电阻存储单元，电流存储单元，差分获取单元，用于获得正常内部电阻之间的差值电阻DeltaR（Tja） Rj（Tja）在预定电池温度下处于正常温度范围ATj中的预定电池温度Tja和初始内部电阻R0（Tja）;以及用于给出最大端子间电压Vm（T）的最大电压计算单元， 当至少电池温度T处于低温范围AT1内时，作为通过将差分电阻DeltaR（Tja）和容许充电电流Im（T）的乘积相加到初始最大端子间电压Vm0而获得的值 （T）。

    Secondary battery and method for producing the same
    30.
    发明授权
    Secondary battery and method for producing the same 失效
    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。