公开(公告)号：US20060051663A1

公开(公告)日：2006-03-09

申请号：US11213874

申请日：2005-08-30

申请人： Hideaki Fujita ,  Tsuyoshi Hatanaka ,  Tetsuya Hayashi ,  Akira Nagasaki ,  Yusuke Fukumoto ,  Kohei Suzuki

发明人： Hideaki Fujita ,  Tsuyoshi Hatanaka ,  Tetsuya Hayashi ,  Akira Nagasaki ,  Yusuke Fukumoto ,  Kohei Suzuki

IPC分类号： H01M2/08 ,  H01M2/16

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0431 ,  H01M10/0587 ,  H01M2200/00

摘要： A lithium ion secondary battery including: an electrode group including a belt-like positive electrode and a belt-like negative electrode that are wound with a separator interposed therebetween; and a can with a bottom for accommodating the electrode group, wherein the positive electrode has a positive electrode current collector and a positive electrode mixture layer carried on the positive electrode current collector, the negative electrode has a negative electrode current collector and a negative electrode mixture layer carried on the negative electrode current collector, and a porous heat-resistant layer is partially provided between the separator and at least one of the positive electrode mixture layer and the negative electrode mixture layer. Since a porous heat-resistant layer is thus placed, a high performance lithium ion secondary battery capable of efficiently preventing internal short circuit due to overheating while preventing decrease in battery characteristics can be provided.

公开(公告)号：US07638230B2

公开(公告)日：2009-12-29

申请号：US11213874

申请日：2005-08-30

申请人： Hideaki Fujita ,  Tsuyoshi Hatanaka ,  Tetsuya Hayashi ,  Akira Nagasaki ,  Yusuke Fukumoto ,  Kohei Suzuki

发明人： Hideaki Fujita ,  Tsuyoshi Hatanaka ,  Tetsuya Hayashi ,  Akira Nagasaki ,  Yusuke Fukumoto ,  Kohei Suzuki

IPC分类号： H01M6/10

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0431 ,  H01M10/0587 ,  H01M2200/00

摘要： A lithium ion secondary battery including: an electrode group including a belt-like positive electrode and a belt-like negative electrode that are wound with a separator interposed therebetween; and a can with a bottom for accommodating the electrode group, wherein the positive electrode has a positive electrode current collector and a positive electrode mixture layer carried on the positive electrode current collector, the negative electrode has a negative electrode current collector and a negative electrode mixture layer carried on the negative electrode current collector, and a porous heat-resistant layer is partially provided between the separator and at least one of the positive electrode mixture layer and the negative electrode mixture layer. Since a porous heat-resistant layer is thus placed, a high performance lithium ion secondary battery capable of efficiently preventing internal short circuit due to overheating while preventing decrease in battery characteristics can be provided.

摘要翻译： 1.一种锂离子二次电池，其特征在于，包括：带状的正极和带状的负极的电极组，其间夹有隔板; 以及具有用于容纳电极组的底部的罐，其中所述正极具有在正极集电体上承载的正极集电体和正极合剂层，负极具有负极集电体和负极混合物 层叠在负极集电体上，多孔耐热层部分地设置在隔膜与至少一方的正极复合层和负极混合层之间。 由于这样放置了多孔耐热层，所以可以提供能够有效地防止由于过热导致的内部短路同时防止电池特性降低的高性能锂离子二次电池。

公开(公告)号：US20080248394A1

公开(公告)日：2008-10-09

申请号：US12149199

申请日：2008-04-29

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： H01M4/62

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.

公开(公告)号：US08003259B2

公开(公告)日：2011-08-23

申请号：US12149199

申请日：2008-04-29

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： H01M4/62

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，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 隔膜的体积不小于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＆nlE; R-P＆nlE; 0.30。

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。

公开(公告)号：US08119291B2

公开(公告)日：2012-02-21

申请号：US12149197

申请日：2008-04-29

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 隔膜的体积不小于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＆nlE; R-P＆nlE; 0.30。

公开(公告)号：US20080254369A1

公开(公告)日：2008-10-16

申请号：US12149197

申请日：2008-04-29

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： H01M4/62

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。

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。

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。

公开(公告)号：US20060188785A1

公开(公告)日：2006-08-24

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。