公开(公告)号：US20100190063A1

公开(公告)日：2010-07-29

申请号：US11916170

申请日：2007-06-18

申请人： Yusuke Fukumoto ,  Tetsuya Hayashi ,  Kazunori Kubota

发明人： Yusuke Fukumoto ,  Tetsuya Hayashi ,  Kazunori Kubota

IPC分类号： H01M10/02 ,  H01M10/04

CPC分类号： H01M4/0404 ,  H01M2/1653 ,  H01M4/0409 ,  H01M4/624 ,  H01M10/052

摘要： At least (i) dispersing and mixing inorganic oxide filler, solvent and binder so as to produce a coating paint; (ii) supplying the coating paint to a gravure coater; and (iii) coating the coating paint to member via a gravure roll are included. The (i) or (ii) includes allowing the coating paint to stand still and removing an aggregate and a precipitate of inorganic oxide filler.

摘要翻译： 至少（i）分散和混合无机氧化物填料，溶剂和粘合剂以产生涂料; （ii）向凹版涂布机供应涂料; 并且（iii）通过凹版辊涂覆涂料到构件。 （i）或（ii）包括允许涂料静置并除去骨料和无机氧化物填料的沉淀物。

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：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。

公开(公告)号：US09660240B2

公开(公告)日：2017-05-23

申请号：US14130993

申请日：2011-07-07

申请人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

发明人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

IPC分类号： H01M2/16 ,  H01M10/052 ,  H01M2/34

CPC分类号： H01M2/1686 ,  H01M2/1653 ,  H01M2/1673 ,  H01M2/348 ,  H01M10/052

摘要： Provided is a very safe secondary battery that can prevent the occurrence of battery abnormalities even when the internal battery temperature increases due to, for example, overcharging. A separator 70 in this secondary battery has a laminated structure that is provided with at least two porous layers 76A, 72, 76B, wherein one of these layers forms a porous electroconductive layer 72 in which an electroconductive material 74 is dispersed in the porous layer.

公开(公告)号：US09583769B2

公开(公告)日：2017-02-28

申请号：US13817162

申请日：2010-08-19

申请人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

发明人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

IPC分类号： H01M4/00 ,  H01M4/62 ,  H01M2/16 ,  H01M4/13 ,  H01M10/0566 ,  H01M10/0587

CPC分类号： H01M4/626 ,  H01M2/1646 ,  H01M4/13 ,  H01M10/0566 ,  H01M10/0587 ,  Y02E60/122

摘要： A non-aqueous electrolyte secondary battery obtained by the present invention is a non-aqueous electrolyte secondary battery including an electrode body having a positive electrode sheet and a negative electrode sheet 20 stacked via a separator sheet 40. A porous layer 42 having filler particles 44 and a binder is formed between the separator sheet 40 and at least one of the positive electrode sheet and the negative electrode sheet 20. The median value in the circularity distribution of the filler particles 44 contained in the porous layer 42 is 0.85 to 0.97.

摘要翻译： 通过本发明获得的非水电解质二次电池是具有通过隔板40堆叠的具有正极片和负极片20的电极体的非水电解质二次电池。具有填充剂粒子44的多孔层42 并且在隔离片40与正极片和负极片20中的至少一个之间形成粘结剂。包含在多孔层42中的填料颗粒44的圆形度分布中的中值为0.85至0.97。

公开(公告)号：US09190668B2

公开(公告)日：2015-11-17

申请号：US13703949

申请日：2010-06-15

申请人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

发明人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

IPC分类号： H01M2/14 ,  H01M4/62 ,  H01M2/16 ,  H01M10/052 ,  H01M10/0566 ,  H01M10/0587

CPC分类号： H01M4/626 ,  H01M2/1646 ,  H01M10/052 ,  H01M10/0566 ,  H01M10/0587 ,  Y02E60/122

摘要： A nonaqueous electrolyte secondary battery provided by the present invention includes an electrode body in which a positive electrode sheet and a negative electrode sheet 20 are laminated with a separator sheet 40 interposed therebetween. A porous layer 42 including an inorganic filler and a binder is formed on at least one surface of the separator sheet 40. The surface of the porous layer 42 is made uneven by forming peaks and valleys, and a maximum difference of elevation on an uneven surface 42a is 0.2 μm to 1.7 μm.

摘要翻译： 本发明提供的非水电解质二次电池包括其中正极片和负极片20层叠有间隔片40的电极体。 在隔片40的至少一个表面上形成包括无机填料和粘合剂的多孔层42.多孔层42的表面通过形成峰谷形成为不均匀，并且在不平坦表面上的最大高度差 42a为0.2μm〜1.7μm。

公开(公告)号：US08771860B2

公开(公告)日：2014-07-08

申请号：US13122173

申请日：2010-06-11

申请人： Tomoyoshi Ueki ,  Yusuke Fukumoto ,  Harunari Shimamura

发明人： Tomoyoshi Ueki ,  Yusuke Fukumoto ,  Harunari Shimamura

IPC分类号： H01M2/18 ,  H01M10/04 ,  H01M4/13

CPC分类号： H01M10/0431 ,  H01M2/1686 ,  H01M4/13 ,  H01M4/139 ,  H01M4/366 ,  H01M10/052 ,  H01M10/0587 ,  Y02T10/7011 ,  Y10T29/49115

摘要： A lithium secondary battery provided by the present invention includes a spirally wound electrode body in which a positive electrode sheet and a negative electrode sheet are spirally wound with a separator sheet 40 interposed therebetween, wherein on a sheet surface of at least any one from among the positive electrode sheet, negative electrode sheet, and separator sheet 40 constituting the spirally wound electrode body, a porous layer 60 is formed along a longitudinal direction of the sheet 40, and the porous layer 60 is thicker in a spiral winding direction of the spirally wound electrode body in a winding center portion 62 than in a winding outer portion 64.

摘要翻译： 本发明提供的锂二次电池包括螺旋卷绕的电极体，其中正极片和负极片螺旋地缠绕有介于其间的隔板片40，其中，在 构成螺旋卷绕电极体的正极片，负极片和隔板片40沿着片40的长度方向形成多孔层60，多孔层60在螺旋缠绕的螺旋缠绕方向上较厚 卷绕中心部分62中的电极体比卷绕外部部分64中的电极体。

公开(公告)号：US20140004400A1

公开(公告)日：2014-01-02

申请号：US14004440

申请日：2011-03-16

申请人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

发明人： Tomoyoshi Ueki ,  Harunari Shimamura ,  Yusuke Fukumoto

IPC分类号： H01M10/50

CPC分类号： H01M10/613 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M10/052 ,  Y02E60/122

摘要： The present invention provides a non-aqueous electrolyte secondary battery with great high-rate discharge properties while being less susceptible to an extensive internal short circuit and likely to provide proper assembly. The non-aqueous electrolyte secondary battery comprises a separator (13) placed between a positive electrode and a negative electrode. Separator (13) comprises a porous resin layer (60), and a porous heat-resistant layer (70) overlaid at least on a first face of resin layer (60). Heat-resistant layer (70) comprises a filler consisting of an inorganic material, and a binder. Heat-resistant layer (70) has a porosity of 55% or higher. Heat-resistant layer (70) exhibits a 90° peel strength of 2.9 N/m to 15.1 N/m to the resin layer (60).

摘要翻译： 本发明提供一种具有高放电特性的非水电解质二次电池，同时不易产生广泛的内部短路并且可能提供适当的组装。 非水电解质二次电池包括放置在正极和负极之间的隔膜（13）。 分离器（13）包括多孔树脂层（60）和至少覆盖在树脂层（60）的第一面上的多孔耐热层（70）。 耐热层（70）包括由无机材料和粘合剂组成的填料。 耐热层（70）的孔隙率为55％以上。 耐热层（70）对树脂层（60）的剥离强度为2.9N / m〜15.1N / m。

公开(公告)号：US07575606B2

公开(公告)日：2009-08-18

申请号：US10550149

申请日：2005-02-17

申请人： Yusuke Fukumoto ,  Tsumoru Ohata ,  Tetsuya Hayashi

发明人： Yusuke Fukumoto ,  Tsumoru Ohata ,  Tetsuya Hayashi

IPC分类号： H01M10/04

CPC分类号： H01M4/364 ,  B05C1/0826 ,  H01M4/0404 ,  H01M4/0414 ,  H01M4/131 ,  H01M4/133 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/525 ,  H01M4/621 ,  H01M10/0525 ,  H01M10/058 ,  H01M10/0587 ,  H01M2300/004 ,  Y10T29/49108 ,  Y10T29/49115

摘要： A method for producing lithium ion secondary batteries includes the steps of: (A) preparing an electrode sheet with lead-forming parts, (B) intermittently forming porous insulating layers containing an inorganic oxide filler and a binder on a surface of the electrode sheet excluding the lead-forming parts, (C) connecting a lead to each of the lead-forming parts, and (D) fabricating batteries by using the electrode sheet to which the leads are connected. The step B includes: the step of applying a slurry containing the inorganic oxide filler and the binder to the outer surface of a gravure roll, and transferring the slurry applied to the outer surface of the gravure roll on a surface of the electrode sheet that is being transported by a plurality of guide rolls excluding the lead-forming part; and the step of moving at least one selected from the gravure roll and the guide rolls to make the electrode sheet away from the gravure roll in the lead-forming part.

摘要翻译： 一种锂离子二次电池的制造方法包括以下步骤：（A）制备具有铅成形部的电极片，（B）在电极片的表面上间歇地形成含有无机氧化物填充剂和粘合剂的多孔绝缘层， 引线形成部分，（C）将引线连接到每个引线形成部分，以及（D）通过使用引线连接的电极片来制造电池。 步骤B包括：将含有无机氧化物填料和粘合剂的浆料涂布到凹版辊的外表面，并将施加到凹版辊外表面上的浆料转印到电极片的表面上的步骤 通过除了铅成形部分之外的多个导辊传送; 以及移动从凹版辊和引导辊中选择的至少一种的步骤，以使电极片远离引线形成部分中的凹版辊。

公开(公告)号：US07402184B2

公开(公告)日：2008-07-22

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。