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    Lithium ion secondary battery
    8.
    发明申请
    Lithium ion secondary battery 有权
    锂离子二次电池

    公开(公告)号：US20060194116A1

    公开(公告)日：2006-08-31

    申请号：US10568536

    申请日：2004-09-13

    申请人： Kohei Suzuki ,  Tsumoru Ohata ,  Junji Nakajima ,  Akiko Fujino ,  Shigeo Ikuta ,  Tetsuya Hayashi ,  Yusuke Fukumoto ,  Shinji Kasamatsu

    发明人： Kohei Suzuki ,  Tsumoru Ohata ,  Junji Nakajima ,  Akiko Fujino ,  Shigeo Ikuta ,  Tetsuya Hayashi ,  Yusuke Fukumoto ,  Shinji Kasamatsu

    IPC分类号： H01M2/16 ,  H01M4/58

    CPC分类号： H01M2/166 ,  H01M2/1673 ,  H01M2/168 ,  H01M2/18 ,  H01M4/133 ,  H01M4/134 ,  H01M4/621 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/4235

    摘要： A lithium ion secondary battery includes a positive electrode capable of absorbing and desorbing lithium ion, a negative electrode capable of absorbing and desorbing lithium ion, a porous film interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, the porous film being adhered to a surface of at least the negative electrode. The porous film includes an inorganic filler and a first binder: The content of the first binder in the porous film is 1.5 to 8 parts by weight per 100 parts by weight of the filler: The first binder includes a first rubber including an acrylonitrile unit: The first rubber is water-insoluble and has a decomposition temperature of 250° C. or higher. The negative electrode includes a negative electrode active material capable of absorbing and desorbing lithium ion and a second binder, and the second binder includes a second rubber particle and a water-soluble polymer.

    摘要翻译： 锂离子二次电池包括能够吸收和解吸锂离子的正极，能够吸收和解吸锂离子的负极，介于正极和负极之间的多孔膜和非水电解质，多孔 膜至少粘附在至少负极的表面上。 多孔膜包括无机填料和第一粘合剂：多孔膜中的第一粘合剂的含量相对于100重量份的填料为1.5〜8重量份。第一粘合剂包括含有丙烯腈单元的第一橡胶： 第一橡胶是水不溶性的，分解温度为250℃以上。 负极包括能够吸收和解吸锂离子的负极活性物质和第二粘合剂，第二粘合剂包括第二橡胶颗粒和水溶性聚合物。

    Lithium ion secondary battery
    9.
    发明授权
    Lithium ion secondary battery 有权
    锂离子二次电池

    公开(公告)号：US08211574B2

    公开(公告)日：2012-07-03

    申请号：US10568536

    申请日：2004-09-13

    申请人： Kohei Suzuki ,  Tsumoru Ohata ,  Junji Nakajima ,  Akiko Fujino ,  Shigeo Ikuta ,  Tetsuya Hayashi ,  Yusuke Fukumoto ,  Shinji Kasamatsu

    发明人： Kohei Suzuki ,  Tsumoru Ohata ,  Junji Nakajima ,  Akiko Fujino ,  Shigeo Ikuta ,  Tetsuya Hayashi ,  Yusuke Fukumoto ,  Shinji Kasamatsu

    IPC分类号： H01M4/68

    CPC分类号： H01M2/166 ,  H01M2/1673 ,  H01M2/168 ,  H01M2/18 ,  H01M4/133 ,  H01M4/134 ,  H01M4/621 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/4235

    摘要： A lithium ion secondary battery includes a positive electrode capable of absorbing and desorbing lithium ion, a negative electrode capable of absorbing and desorbing lithium ion, a porous film interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, the porous film being adhered to a surface of at least the negative electrode. The porous film includes an inorganic filler and a first binder: The content of the first binder in the porous film is 1.5 to 8 parts by weight per 100 parts by weight of the filler: The first binder includes a first rubber including an acrylonitrile unit: The first rubber is water-insoluble and has a decomposition temperature of 250° C. or higher. The negative electrode includes a negative electrode active material capable of absorbing and desorbing lithium ion and a second binder, and the second binder includes a second rubber particle and a water-soluble polymer.

    摘要翻译： 锂离子二次电池包括能够吸收和解吸锂离子的正极，能够吸收和解吸锂离子的负极，介于正极和负极之间的多孔膜和非水电解质，多孔 膜至少粘附在至少负极的表面上。 多孔膜包括无机填料和第一粘合剂：多孔膜中的第一粘合剂的含量相对于100重量份的填料为1.5〜8重量份。第一粘合剂包括含有丙烯腈单元的第一橡胶： 第一橡胶是水不溶性的，分解温度为250℃以上。 负极包括能够吸收和解吸锂离子的负极活性物质和第二粘合剂，第二粘合剂包括第二橡胶颗粒和水溶性聚合物。

    Lithium ion secondary battery and method for manufacturing the same
    10.
    发明授权
    Lithium ion secondary battery and method for manufacturing the same 有权
    锂离子二次电池及其制造方法

    公开(公告)号：US07435507B2

    公开(公告)日：2008-10-14

    申请号：US10973431

    申请日：2004-10-27

    申请人： Tsumoru Ohata ,  Shigeo Ikuta ,  Akiko Fujino ,  Tetsuya Hayashi ,  Kohei Suzuki

    发明人： Tsumoru Ohata ,  Shigeo Ikuta ,  Akiko Fujino ,  Tetsuya Hayashi ,  Kohei Suzuki

    IPC分类号： H01M2/18 ,  H01M2/16

    CPC分类号： H01M4/13 ,  H01M2/18 ,  H01M4/62 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021 ,  Y10T29/49108

    摘要： A lithium ion secondary battery has an electrode group including: a winding core; and a positive electrode and a negative electrode that are wound around the winding core. This electrode group does not have an independent separator between the positive and negative electrodes. A porous film is integrally formed on both sides of at least one of the positive electrode and the negative electrode. The negative electrode and the positive electrode are connected to the winding core by a negative electrode resin film and a positive electrode resin film, respectively. The use of such resin films makes it possible to reduce the breakage of the porous films and prevent a short-circuit between the positive and negative electrodes.

    摘要翻译： 锂离子二次电池具有电极组，包括：卷芯; 以及卷绕在卷芯上的正极和负极。 该电极组在正极和负极之间不具有独立的隔膜。 在正电极和负电极中的至少一个的两侧一体地形成多孔膜。 负极和正极分别通过负极树脂膜和正极树脂膜与绕线芯连接。 通过使用这种树脂膜，可以减少多孔膜的断裂，防止正极和负极之间的短路。