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    Nonaqueous electrolyte secondary battery
    11.
    发明授权
    Nonaqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号：US07422825B2

    公开(公告)日：2008-09-09

    申请号：US10562438

    申请日：2005-03-22

    申请人： Kaoru Inoue ,  Kiyomi Kato ,  Kohei Suzuki ,  Shigeo Ikuta ,  Yusuke Fukumoto ,  Tetsuya Hayashi

    发明人： Kaoru Inoue ,  Kiyomi Kato ,  Kohei Suzuki ,  Shigeo Ikuta ,  Yusuke Fukumoto ,  Tetsuya Hayashi

    IPC分类号： H01M2/16

    CPC分类号： H01M2/1673 ,  H01M2/1653 ,  H01M2/168 ,  H01M2/1686 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/4235

    摘要： A non-aqueous electrolyte secondary battery including: a positive electrode; a negative electrode; a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte; and a porous insulating film adhered to a surface of at least one selected from the group consisting of the positive electrode and the negative electrode, the porous insulating film including an inorganic oxide filler and a film binder, wherein the ratio R of actual volume to apparent volume of the separator is not less than 0.4 and not greater than 0.7, and wherein the ratio R and a porosity P of the porous insulating film satisfy the relational formula: −0.10≦R−P≦0.30.

    摘要翻译： 一种非水电解质二次电池，包括：正极; 负极; 夹在正极和负极之间的隔膜; 非水电解质; 以及粘附到从由正极和负极组成的组中选择的至少一个的表面的多孔绝缘膜，所述多孔绝缘膜包括无机氧化物填料和膜粘合剂，其中实际体积与表观的比率R 隔板的体积不小于0.4且不大于0.7，并且其中多孔绝缘膜的比率R和孔隙率P满足关系式：-0.10 <= RP <= 0.30。

    Secondary battery and method for producing the same
    13.
    发明申请
    Secondary battery and method for producing the same 有权
    二次电池及其制造方法

    公开(公告)号：US20070117025A1

    公开(公告)日：2007-05-24

    申请号：US11655164

    申请日：2007-01-19

    申请人： Shigeo Ikuta ,  Yusuke Fukumoto

    发明人： Shigeo Ikuta ,  Yusuke Fukumoto

    IPC分类号： H01M2/16 ,  H01M10/04

    CPC分类号： H01M4/24 ,  H01M2/164 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/133 ,  H01M4/48 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/24 ,  H01M2004/021 ,  Y10T29/49115

    摘要： In a secondary battery including a positive electrode, a negative electrode and a porous film bonded to the surface of at least one of the positive electrode and the negative electrode, the porous film includes ceramic particles and a binder, and the ceramic particles include polycrystalline particles obtained by mechanically crushing a fired material comprising a ceramic that is directly synthesized from a ceramic precursor. The porous film has a porosity of 40 to 80%, for example. The porous film can be formed by a method including the steps of: obtaining a fired material comprising a ceramic from a ceramic precursor; obtaining ceramic particles by mechanically crushing the fired material of the ceramic; obtaining a slurry including the ceramic particles and a binder; and applying the slurry onto the surface of an electrode, followed by drying.

    摘要翻译： 在包含正极，负极和与正极和负极中的至少一个的表面接合的多孔膜的二次电池中，多孔膜包括陶瓷颗粒和粘合剂，陶瓷颗粒包括多晶颗粒 通过机械粉碎包含由陶瓷前体直接合成的陶瓷的烧制材料获得。 多孔膜的孔隙率例如为40〜80％。 多孔膜可以通过以下方法形成：包括以下步骤：从陶瓷前体获得包含陶瓷的烧制材料; 通过机械破碎陶瓷烧制材料获得陶瓷颗粒; 得到包含陶瓷颗粒和粘合剂的浆料; 并将浆料施加到电极的表面上，然后干燥。

    Secondary battery
    14.
    发明申请
    Secondary battery 有权
    二次电池

    公开(公告)号：US20070042270A1

    公开(公告)日：2007-02-22

    申请号：US10555657

    申请日：2005-02-07

    申请人： Tsumoru Ohata ,  Junji Nakajima ,  Tetsuya Hayashi ,  Shigeo Ikuta ,  Yusuke Fukumoto

    发明人： Tsumoru Ohata ,  Junji Nakajima ,  Tetsuya Hayashi ,  Shigeo Ikuta ,  Yusuke Fukumoto

    IPC分类号： H01M2/16

    CPC分类号： H01M4/624 ,  H01M2/166 ,  H01M2/1673 ,  H01M4/13 ,  H01M4/366 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/021

    摘要： A secondary battery includes: a positive electrode; a negative electrode; a porous electron-insulating layer adhered to a surface of at least one selected from the group consisting of the positive electrode and the negative electrode; and an electrolyte. The porous electron-insulating layer comprises a particulate filler and a resin binder, and the particulate filler comprises an indefinite-shape particle comprising a plurality of primary particles that are joined to one another. A neck is preferably formed between the primary particles. Since the porous electron-insulating layer has high porosity, it is possible to obtain a secondary battery that exhibits excellent low-temperature characteristics, which are particularly important in actual use, and that is capable of discharging at a large current.

    摘要翻译： 二次电池包括：正极; 负极; 粘附到从由正极和负极组成的组中选择的至少一个的表面的多孔电子绝缘层; 和电解质。 多孔电绝缘层包括颗粒填料和树脂粘合剂，并且颗粒填料包括包含彼此连接的多个一次颗粒的不定形颗粒。 优选在一次粒子之间形成颈部。 由于多孔电绝缘层具有高孔隙率，所以可以获得在实际应用中特别重要的且具有大电流放电的低温特性优异的二次电池。

    Secondary battery
    16.
    发明授权
    Secondary battery 有权
    二次电池

    公开(公告)号：US08163425B2

    公开(公告)日：2012-04-24

    申请号：US12213504

    申请日：2008-06-20

    申请人： Tsumoru Ohata ,  Junji Nakajima ,  Tetsuya Hayashi ,  Shigeo Ikuta ,  Yusuke Fukumoto

    发明人： Tsumoru Ohata ,  Junji Nakajima ,  Tetsuya Hayashi ,  Shigeo Ikuta ,  Yusuke Fukumoto

    IPC分类号： H01M6/04

    CPC分类号： H01M4/624 ,  H01M2/166 ,  H01M2/1673 ,  H01M4/13 ,  H01M4/366 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/021

    摘要： A secondary battery includes: a positive electrode; a negative electrode; a porous electron-insulating layer adhered to a surface of at least one selected from the group consisting of the positive electrode and the negative electrode; and an electrolyte. The porous electron-insulating layer comprises a particulate filler and a resin binder, and the particulate filler comprises an indefinite-shape particle comprising a plurality of primary particles that are joined to one another. A neck is preferably formed between the primary particles. Since the porous electron-insulating layer has high porosity, it is possible to obtain a secondary battery that exhibits excellent low-temperature characteristics, which are particularly important in actual use, and that is capable of discharging at a large current.

    摘要翻译： 二次电池包括：正极; 负极; 粘附到从由正极和负极组成的组中选择的至少一个的表面的多孔电子绝缘层; 和电解质。 多孔电绝缘层包括颗粒填料和树脂粘合剂，并且颗粒填料包括包含彼此连接的多个一次颗粒的不定形颗粒。 优选在一次粒子之间形成颈部。 由于多孔电绝缘层具有高孔隙率，所以可以获得在实际应用中特别重要的且具有大电流放电的低温特性优异的二次电池。

    Lithium ion secondary battery and method for producing the same
    17.
    发明授权
    Lithium ion secondary battery and method for producing the same 有权
    锂离子二次电池及其制造方法

    公开(公告)号：US07816038B2

    公开(公告)日：2010-10-19

    申请号：US11578964

    申请日：2005-04-19

    申请人： Tsumoru Ohata ,  Junji Nakajima ,  Tetsuya Hayashi ,  Shigeo Ikuta ,  Akiko Fujino ,  Eitaro Nakamura

    发明人： Tsumoru Ohata ,  Junji Nakajima ,  Tetsuya Hayashi ,  Shigeo Ikuta ,  Akiko Fujino ,  Eitaro Nakamura

    IPC分类号： H01M4/04 ,  H01M4/62

    CPC分类号： H01M10/0567 ,  H01M4/0402 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/139 ,  H01M4/62 ,  H01M10/0525 ,  H01M2300/004 ,  Y10T29/49115

    摘要： A method for producing a lithium ion secondary battery includes the steps of: forming a positive electrode mixture layer on a positive electrode substrate to obtain a positive electrode; forming a negative electrode mixture layer on a negative electrode substrate to obtain a negative electrode; forming an electronically insulating porous film that is bonded to a surface of at least one of the positive electrode and the negative electrode; interposing a separator between the positive electrode and the negative electrode to form an electrode plate assembly; and impregnating the electrode plate assembly with a non-aqueous electrolyte. The step of forming a porous film includes the steps of: preparing a porous film paste that contains a film binder comprising a thermo-cross-linkable resin and a particulate filler; and applying the porous film paste onto a surface of at least one of the positive electrode and the negative electrode and heating the resultant applied film.

    摘要翻译： 锂离子二次电池的制造方法包括以下步骤：在正极基板上形成正极合剂层，得到正极; 在负极基板上形成负极合剂层，得到负极; 形成与所述正极和所述负极中的至少一个的表面接合的电子绝缘性多孔膜， 在正极和负极之间插入隔板以形成电极板组件; 并用非水电解质浸渍电极板组件。 形成多孔膜的步骤包括以下步骤：制备含有包含可热交联树脂和颗粒填料的膜粘合剂的多孔膜糊; 以及将所述多孔膜浆料涂布在所述正极和负极中的至少一个的表面上，并加热所得到的涂膜。

    Secondary battery and method for producing the same
    18.
    发明授权
    Secondary battery and method for producing the same 有权
    二次电池及其制造方法

    公开(公告)号：US07560193B2

    公开(公告)日：2009-07-14

    申请号：US11314008

    申请日：2005-12-22

    申请人： Shigeo Ikuta ,  Yusuke Fukumoto

    发明人： Shigeo Ikuta ,  Yusuke Fukumoto

    IPC分类号： H01M2/16 ,  H01M10/04

    CPC分类号： H01M4/24 ,  H01M2/164 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/133 ,  H01M4/48 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/24 ,  H01M2004/021 ,  Y10T29/49115

    摘要： In a secondary battery including a positive electrode, a negative electrode and a porous film bonded to the surface of at least one of the positive electrode and the negative electrode, the porous film includes ceramic particles and a binder, and the ceramic particles include polycrystalline particles obtained by mechanically crushing a fired material comprising a ceramic that is directly synthesized from a ceramic precursor. The porous film has a porosity of 40 to 80%, for example. The porous film can be formed by a method including the steps of: obtaining a fired material comprising a ceramic from a ceramic precursor; obtaining ceramic particles by mechanically crushing the fired material of the ceramic; obtaining a slurry including the ceramic particles and a binder; and applying the slurry onto the surface of an electrode, followed by drying.

    摘要翻译： 在包含正极，负极和与正极和负极中的至少一个的表面接合的多孔膜的二次电池中，多孔膜包括陶瓷颗粒和粘合剂，陶瓷颗粒包括多晶颗粒 通过机械粉碎包含由陶瓷前体直接合成的陶瓷的烧制材料获得。 多孔膜的孔隙率例如为40〜80％。 多孔膜可以通过以下方法形成：包括以下步骤：从陶瓷前体获得包含陶瓷的烧制材料; 通过机械破碎陶瓷烧制材料获得陶瓷颗粒; 得到包含陶瓷颗粒和粘合剂的浆料; 并将浆料施加到电极的表面上，然后干燥。