利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

68 条记录 (耗时 0.028 秒)

    Nonaqueous electrolyte secondary battery and method for manufacturing the same
    1.
    发明授权
    Nonaqueous electrolyte secondary battery and method for manufacturing the same 有权
    非水电解质二次电池及其制造方法

    公开(公告)号：US09559362B2

    公开(公告)日：2017-01-31

    申请号：US12935189

    申请日：2009-03-31

    申请人： Yoshiyuki Muraoka ,  Yukihiro Okada

    发明人： Yoshiyuki Muraoka ,  Yukihiro Okada

    IPC分类号： H01M4/66 ,  H01M4/13 ,  H01M4/04 ,  H01M2/02 ,  H01M10/0587 ,  H01M10/052 ,  H01M4/02

    CPC分类号： H01M4/661 ,  H01M4/0471 ,  H01M4/13 ,  H01M10/052 ,  H01M10/0587 ,  H01M2004/021 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49115

    摘要： The nonaqueous electrolyte secondary battery of the invention includes: a wound-type electrode group including a long positive electrode, a long negative electrode, and a separator disposed between the positive electrode and the negative electrode; a nonaqueous electrolyte; and a prismatic battery case accommodating the electrode group and the nonaqueous electrolyte. A horizontal cross-section of the electrode group has a major axis and a minor axis. The positive electrode includes a positive electrode current collector and a positive electrode active material layer disposed thereon, and the negative electrode includes a negative electrode current collector and a negative electrode active material layer disposed thereon. A tensile strength of the positive electrode when an elongation percentage in a longitudinal direction of the positive electrode is 1% is not greater than 15 N/cm.

    摘要翻译： 本发明的非水电解质二次电池包括：设置在正极和负极之间的包含长正极，长负极和隔板的卷绕型电极组; 非水电解质; 以及容纳电极组和非水电解质的棱柱形电池壳体。 电极组的水平截面具有长轴和短轴。 正极包括正极集电体和设置在其上的正极活性物质层，负极包括设置在其上的负极集电体和负极活性物质层。 当正极的长度方向的伸长率为1％时，正极的拉伸强度不大于15N / cm。

    Positive electrode containing lithium nickel composite oxide for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery using the same, and method for producing the same
    2.
    发明授权
    Positive electrode containing lithium nickel composite oxide for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery using the same, and method for producing the same 有权
    用于非水电解质二次电池的含镍锂复合氧化物的正极，使用其的非水电解质二次电池及其制造方法

    公开(公告)号：US09379376B2

    公开(公告)日：2016-06-28

    申请号：US12992245

    申请日：2010-03-11

    申请人： Junichi Sugaya ,  Yoshiyuki Muraoka

    发明人： Junichi Sugaya ,  Yoshiyuki Muraoka

    IPC分类号： H01M4/131 ,  H01M4/1391 ,  H01M4/04 ,  H01M4/505 ,  H01M4/525

    CPC分类号： H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

    摘要： A method for producing a positive electrode for non-aqueous electrolyte secondary battery of the present invention includes the steps of: (1) producing a positive electrode precursor by applying a positive electrode slurry including a positive electrode active material comprising a lithium-containing composite oxide including nickel, a binder, and a conductive agent on a positive electrode core material, the positive electrode active material including secondary particles having an average particle diameter of 8 μm or more, and then drying the positive electrode slurry to form a positive electrode material mixture layer; and (2) rolling while heating the positive electrode precursor to produce a positive electrode in which 3.5 g or more of the positive electrode active material is included per 1 cm3 of the positive electrode material mixture layer, and the positive electrode active material includes secondary particles having an average particle diameter of 5 μm or more.

    摘要翻译： 本发明的非水电解质二次电池用正极的制造方法包括以下步骤：（1）通过涂布包含含锂复合氧化物的正极活性物质的正极浆料来制造正极前体 包括镍，粘合剂和导电剂，所述正极活性物质包括平均粒径为8μm以上的二次粒子，然后干燥所述正极浆料以形成正极材料混合物 层; 和（2）在加热正极前体的同时轧制以产生每1cm 3正极合剂层包含3.5g或更多的正极活性材料的正极，并且正极活性材料包括二次颗粒 平均粒径为5μm以上。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    3.
    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：US20140178732A1

    公开(公告)日：2014-06-26

    申请号：US14241033

    申请日：2012-08-30

    申请人： Atsushi Mizawa ,  Yoshiyuki Muraoka

    发明人： Atsushi Mizawa ,  Yoshiyuki Muraoka

    IPC分类号： H01M10/0587

    CPC分类号： H01M10/0587 ,  H01M2/1673 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/139 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2010/4292 ,  H01M2300/004 ,  Y02E60/122 ,  Y02T10/7011

    摘要： Provided is a non-aqueous electrolyte secondary battery having a high capacity and an improved cycle life. The battery includes an electrode group and a non-aqueous electrolyte, and has a volume energy density of 650 Wh/L or more. The electrode group includes wound positive and negative electrodes with a separator interposed therebetween. The positive and negative electrodes each include a current collector and a material mixture layer adhering thereto. The positive and negative electrode material mixture layers each have a porosity Pp of 22% or less and porosity Pn of 25% or less. The ratio VE/VT of a volume VE of the electrolyte to a total VT of the pore volumes of the positive and negative electrode material mixture layers, and the separator is 1 to 1.5. The difference between contact angles CAp and CAn of the positive and negative electrodes with respect to the non-aqueous electrolyte is 23° or less.

    摘要翻译： 本发明提供一种具有高容量且循环寿命更长的非水电解质二次电池。 电池包括电极组和非水电解质，体积能量密度为650Wh / L以上。 电极组包括卷绕的正极和负极，隔膜之间插入隔膜。 正极和负极各自包括集电体和附着在其上的材料混合层。 正极和负极材料混合层的孔隙率Pp为22％以下，孔隙率Pn为25％以下。 电解质体积VE与正极和负极材料混合物层和分离器的孔体积的总VT的VE / VT的比VE / VT为1至1.5。 正电极与非水电解质的接触角CAp和CAn之间的差为23°以下。

    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR FABRICATING THE SAME
    5.
    发明申请
    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR FABRICATING THE SAME 审中-公开
    非电解电解质二次电池及其制造方法

    公开(公告)号：US20110244325A1

    公开(公告)日：2011-10-06

    申请号：US13124580

    申请日：2010-06-24

    申请人： Yoshiyuki Muraoka ,  Masaya Ugaji

    发明人： Yoshiyuki Muraoka ,  Masaya Ugaji

    IPC分类号： H01M4/66 ,  H01M2/14 ,  B05D5/12

    CPC分类号： H01M10/052 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/139 ,  H01M4/662 ,  H01M2004/021 ,  H01M2004/028

    摘要： A nonaqueous electrolyte secondary battery includes a positive electrode (4), a negative electrode (5), a porous insulating layer (6), and a nonaqueous electrolyte. In the positive electrode (4), a positive electrode mixture layer (4B) is provided on at least one surface of a positive electrode current collector (4A). A tensile extension percentage of the positive electrode (4) is 3.0% or more. The positive electrode current collector (4A) contains iron. A porosity of the positive electrode mixture layer (4B) is 17% or less.

    摘要翻译： 非水电解质二次电池包括正极（4），负极（5），多孔绝缘层（6）和非水电解质。 在正极（4）中，在正极集电体（4A）的至少一个面上设置正极合剂层（4B）。 正极（4）的拉伸伸长率为3.0％以上。 正极集电体（4A）含有铁。 正极复合层（4B）的孔隙率为17％以下。

    METHOD OF PRODUCING NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME
    6.
    发明申请
    METHOD OF PRODUCING NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME 审中-公开
    生产用于非水电解质二次电池，负极和非水电解质二次电池的负极的方法

    公开(公告)号：US20110136015A1

    公开(公告)日：2011-06-09

    申请号：US13058426

    申请日：2010-06-15

    申请人： Junichi Sugaya ,  Yoshiyuki Muraoka

    发明人： Junichi Sugaya ,  Yoshiyuki Muraoka

    IPC分类号： H01M4/583 ,  H01M4/04

    CPC分类号： H01M10/0525 ,  H01M4/0402 ,  H01M4/0471 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/621 ,  H01M4/622 ,  H01M4/623 ,  H01M4/661

    摘要： A method of producing a non-aqueous electrolyte secondary battery of the present invention includes the steps of: (1) producing a negative electrode precursor by applying a negative electrode slurry including graphite particles and a binder onto a negative electrode core material and drying the same to form a negative electrode material mixture layer; and (2) producing a negative electrode by compressing while heating the negative electrode precursor at a temperature at which the binder softens. In the step (2), a temperature at which the negative electrode precursor is heated and a force with which the negative electrode precursor is compressed are controlled such that the compressed negative electrode material mixture layer in the negative electrode includes 1.5 g or more of the graphite particles per 1 cm3 of the negative electrode material mixture layer, and that an average circular degree of the graphite particles maintains 70% or more of an average circular degree of graphite particles in the negative electrode precursor.

    摘要翻译： 本发明的非水电解质二次电池的制造方法包括以下步骤：（1）通过将负极浆料（包括石墨粒子和粘合剂）涂布在负极芯材上并进行干燥来制造负极前体 以形成负极材料混合层; 和（2）通过在粘合剂软化的温度下加热负极前体的同时压制制造负极。 在步骤（2）中，控制加热负极前体的温度和负极前体被压缩的力，使得负极中的压缩负极材料混合层包含1.5g以上的 石墨颗粒每1立方厘米的负极材料混合物层，并且平均圆形度的石墨颗粒在负极前体中保持平均圆形度的石墨颗粒的70％或更多。

    Nonaqueous electrolyte secondary battery
    8.
    发明授权
    Nonaqueous electrolyte secondary battery 失效
    非水电解质二次电池

    公开(公告)号：US07910242B2

    公开(公告)日：2011-03-22

    申请号：US12034460

    申请日：2008-02-20

    申请人： Naoyuki Wada ,  Hideaki Fujita ,  Yukihiro Okada ,  Yoshiyuki Muraoka

    发明人： Naoyuki Wada ,  Hideaki Fujita ,  Yukihiro Okada ,  Yoshiyuki Muraoka

    IPC分类号： H01M2/00

    CPC分类号： H01M2/0257 ,  H01M2/022 ,  H01M2/0275 ,  H01M2/12 ,  H01M10/0587

    摘要： In a nonaqueous electrolyte secondary battery in which an electrode plate group including a positive electrode plate and a negative electrode plate which have a positive electrode mixture layer formed on a positive electrode current collector to contain a positive electrode active material and a negative electrode mixture layer formed on a negative electrode current collector to contain a negative electrode active material, respectively, and are spirally wound or stacked with a separator interposed therebetween is encapsulated in a battery exterior packaging body with an electrolyte, the battery exterior packaging body includes a gas releasing valve for releasing gas in the battery exterior packaging body to the outside when a gas pressure in the battery exterior packaging body reaches a working pressure and is formed to be deformable where the gas pressure in the battery exterior packaging body is lower than the working pressure of the gas releasing valve.

    摘要翻译： 在包含正极板和负极板的电极板组的非水电解质二次电池中，所述正极板和负极板在正极集电体上形成含有正极活性材料和负极混合物层的正极混合层 在负极集电体上分别包含负极活性物质并且分别被间隔开地螺旋卷绕或层叠的隔膜的电池外包装体中，电池外包装体包括气体释放阀，其用于 当电池外包装体中的气体压力达到工作压力时，将电池外包装体中的气体释放到外部，并且形成为可变形，其中电池外包装体中的气体压力低于气体的工作压力 释放阀。

    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME
    10.
    发明申请
    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME 有权
    非电解电解质二次电池及其制造方法

    公开(公告)号：US20110027635A1

    公开(公告)日：2011-02-03

    申请号：US12935189

    申请日：2009-03-31

    申请人： Yoshiyuki Muraoka ,  Yukihiro Okada

    发明人： Yoshiyuki Muraoka ,  Yukihiro Okada

    IPC分类号： H01M10/24 ,  H01M10/28

    CPC分类号： H01M4/661 ,  H01M4/0471 ,  H01M4/13 ,  H01M10/052 ,  H01M10/0587 ,  H01M2004/021 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49115

    摘要： The nonaqueous electrolyte secondary battery of the invention includes: a wound-type electrode group including a long positive electrode, a long negative electrode, and a separator disposed between the positive electrode and the negative electrode; a nonaqueous electrolyte; and a prismatic battery case accommodating the electrode group and the nonaqueous electrolyte. A horizontal cross-section of the electrode group has a major axis and a minor axis. The positive electrode includes a positive electrode current collector and a positive electrode active material layer disposed thereon, and the negative electrode includes a negative electrode current collector and a negative electrode active material layer disposed thereon. A tensile strength of the positive electrode when an elongation percentage in a longitudinal direction of the positive electrode is 1% is not greater than 15 N/cm.

    摘要翻译： 本发明的非水电解质二次电池包括：设置在正极和负极之间的包含长正极，长负极和隔板的卷绕型电极组; 非水电解质; 以及容纳电极组和非水电解质的棱柱形电池壳体。 电极组的水平截面具有长轴和短轴。 正极包括正极集电体和设置在其上的正极活性物质层，负极包括设置在其上的负极集电体和负极活性物质层。 当正极的长度方向的伸长率为1％时，正极的拉伸强度不大于15N / cm。