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公开(公告)号：US08119277B2
公开(公告)日：2012-02-21
申请号：US12232916
申请日：2008-09-25
IPC分类号： H01M2/26
CPC分类号： H01M10/0413 , H01M2/18 , H01M2/22 , H01M2/266
摘要： A stack type battery has positive electrode current collector tabs (11) overlapped with each other and welded to a positive electrode current collector terminal (15), and negative electrode current collector tabs (12) overlapped with each other and welded to a negative electrode current collector terminal (16). The positive electrode current collector tabs (11) existing between the positive electrode plates (1) and an end part (15a) of the positive electrode current collector terminal (15) that is on the positive electrode plate (1) side are welded to each other and/or the negative electrode current collector tabs (12) existing between the negative electrode plates (2) and an end part (16a) of the negative electrode current collector terminal (16) that is on a negative electrode plate (2) side are welded to each other.
摘要翻译： 堆叠型电池具有彼此重叠并焊接到正极集电器端子（15）的正极集电片（11），负极集电片（12）彼此重叠并焊接到负极电流 集电极端子（16）。 存在于正极板（1）和正极板（1）侧的正极集电体端子（15）的端部（15a）之间的正极集电体接头（11）焊接在每个 存在于负极板（2）和位于负极板（2）侧的负极集电体端子（16）的端部（16a）之间的负极集电体（12）和/ 彼此焊接。
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公开(公告)号：US20110070477A1
公开(公告)日：2011-03-24
申请号：US12883771
申请日：2010-09-16
IPC分类号： H01M10/02 , H01M10/052
CPC分类号： H01M10/0413 , H01M2/22 , H01M2/26 , H01M2/266 , H01M2/305 , H01M4/1391 , H01M4/1393 , H01M10/0459 , H01M10/0525 , Y02T10/7011
摘要： A penetrating portion (15P) is provided partially at a location in a positive electrode current collector terminal (15) to which positive electrode lead tabs (11) (electrode plate lead tabs) are joined, to form a current-collector-terminal-absent region (penetrating portion (15P)) and a current-collector-terminal-present region that are aligned in a perpendicular direction (a widthwise direction) to a connection direction of the positive electrode lead tabs (11). Only the plurality of the positive electrode lead tabs (11) are joined at a center weld point (32M) (first joining spot) in the current-collector-terminal-absent region, and the positive electrode lead tabs (11) are joined to the positive electrode current collector terminal 15 at each of left-side and right-side weld points 32L and 32R (second joining spot) in the current-collector-terminal-present region.
摘要翻译： 穿透部分（15P）部分地设置在与正极引线接片（11）（电极板引线接头）接合的正极集电体端子15的位置处，以形成集电极端子不存在 区域（贯通部（15P））以及与正极引线片（11）的连接方向垂直的方向（宽度方向）排列的集电极 - 端子存在区域。 只有多个正极引线接片（11）在集电极端不存在区域的中心焊接点（32M）（第1接合点）处接合，正极引线接头（11）与 在集电极端子存在区域中的左侧焊接点32L和右侧焊接点32R（第二接合点）的正极集电体端子15。
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公开(公告)号：US20110076544A1
公开(公告)日：2011-03-31
申请号：US12893768
申请日：2010-09-29
IPC分类号： H01M2/18
CPC分类号： H01M10/0525 , H01M2/18 , H01M2/266 , H01M10/0585 , Y02T10/7011
摘要： A stack type battery has a plurality of positive electrode plates (1) and a plurality of negative electrode plates (2), which are alternately stacked one on the other with separators (3) interposed therebetween. It also has positive electrode leads (11) and negative electrode leads (12) protruding from the respective electrode plates (1, 2) and being stacked and joined to a positive electrode current collector terminal (15) and a negative electrode current collector terminal (16), respectively. Peripheral portions of the separators that face each other across each of the positive electrode plates (1) are welded to form a pouch-type separator (3), and the positive electrode leads (11) are joined to each other at weld points (31W) in a region thereof facing the separator (3).
摘要翻译： 堆叠型电池具有多个正极板（1）和多个负极板（2），它们之间隔着隔板（3）彼此交替堆叠。 还具有从各个电极板（1,2）突出的正极引线（11）和负极引线（12），并且与正极集电体端子（15）和负极集电体端子 16）。 焊接分离器的每个正极板（1）的隔板的外围部分形成袋型隔板（3），正极引线（11）在焊接点（31W）处相互接合 ）在其面向隔板（3）的区域中。
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公开(公告)号：US20110023290A1
公开(公告)日：2011-02-03
申请号：US12923843
申请日：2010-10-08
IPC分类号： H01M10/00
CPC分类号： H01M6/46 , H01M2/0217 , H01M2/1061 , H01M2/1077 , H01M10/0525 , Y10T29/49108
摘要： A battery module has a plurality of prismatic batteries (2) stacked in a thickness direction. Two plates (3, 4) are provided between each of the batteries (2), and each of the batteries (2) is compressed by shifting the two plates (3, 4) in directions away from each other. A pair of frame members (10, 20) having opposing surfaces (11, 21) extending along the stacking direction of the batteries (2) are disposed face to face so as to sandwich the batteries (2) in a direction perpendicular to the stacking direction of the batteries. Wedge-shaped spacers (12, 22) inserted between the two plates (3, 4) are provided respectively on the opposing surfaces. By narrowing the gap between the pair of frame members (10, 20), the spacers (12, 22) are allowed to advance inwardly between the two plates (3, 4) so that the two plates are shifted in directions away from each other, whereby the batteries are compressed.
摘要翻译： 电池模块具有沿厚度方向堆叠的多个棱柱形电池（2）。 在每个电池（2）之间设置两个板（3,4），并且通过使两个板（3,4）彼此远离地移动来压缩每个电池（2）。 具有沿着电池（2）的堆叠方向延伸的相对表面（11,21）的一对框架构件（10,20）面对面设置，以便将电池（2）沿垂直于堆叠 电池方向。 插入在两个板（3,4）之间的楔形间隔件（12,22）分别设置在相对的表面上。 通过缩小一对框架构件（10,20）之间的间隙，允许间隔件（12,22）在两个板（3,4）之间向内前进，使得两个板在彼此远离的方向上移动 ，由此电池被压缩。
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5.发明授权公开(公告)号：US08323824B2
公开(公告)日：2012-12-04
申请号：US12409999
申请日：2009-03-24
IPC分类号： H01M6/46
CPC分类号： H01M10/482 , B32B3/04 , B32B3/266 , B32B7/04 , B32B15/043 , B32B15/085 , B32B15/088 , B32B15/09 , B32B15/20 , B32B27/08 , B32B2255/06 , B32B2255/26 , B32B2457/10 , H01M2/0207 , H01M2/0287 , H01M10/0525 , H01M10/0585 , H01M2010/4271 , H01M2200/00
摘要： A laminate type battery includes a laminate battery case and an electrode assembly. The laminate battery case includes two laminate films each having a metal layer and plastic layers provided on both faces of the metal layer, and has a welded portion in which peripheral edges of the two laminate films are welded to each other. The electrode assembly is enclosed in the laminate battery case, and has a positive electrode plate, a negative electrode plate, and a separator disposed therebetween. An internal gas pressure sensing portion, in which the inner plastic layer of each of the laminate films is absent and the metal layers are in contact with each other so as to be in an electrically conductive state, is formed in a portion of the welded portion. A voltage detection hole, in which the outer plastic layer is absent and the metal layer is exposed, is formed in a surface of each of the two laminate films.
摘要翻译： 层压型电池包括层叠电池壳体和电极组件。 层压电池壳体包括两层层压膜，每层具有金属层和设置在金属层的两个表面上的塑料层，并且具有焊接部分，其中两个层叠膜的周缘彼此焊接。 电极组件被封装在层叠电池壳体中，并且具有设置在其间的正极板，负极板和隔膜。 内部气体压力检测部分，其中不存在每个层合膜的内部塑料层并且金属层彼此接触以形成导电状态，在焊接部分的一部分中形成 。 在两层叠膜中的每一层的表面上形成有不存在外层塑料层而露出金属层的电压检测孔。
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公开(公告)号：US08309247B2
公开(公告)日：2012-11-13
申请号：US12923843
申请日：2010-10-08
CPC分类号： H01M6/46 , H01M2/0217 , H01M2/1061 , H01M2/1077 , H01M10/0525 , Y10T29/49108
摘要： A battery module has a plurality of prismatic batteries (2) stacked in a thickness direction. Two plates (3, 4) are provided between each of the batteries (2), and each of the batteries (2) is compressed by shifting the two plates (3, 4) in directions away from each other. A pair of frame members (10, 20) having opposing surfaces (11, 21) extending along the stacking direction of the batteries (2) are disposed face to face so as to sandwich the batteries (2) in a direction perpendicular to the stacking direction of the batteries. Wedge-shaped spacers (12, 22) inserted between the two plates (3, 4) are provided respectively on the opposing surfaces. By narrowing the gap between the pair of frame members (10, 20), the spacers (12, 22) are allowed to advance inwardly between the two plates (3, 4) so that the two plates are shifted in directions away from each other, whereby the batteries are compressed.
摘要翻译： 电池模块具有沿厚度方向堆叠的多个棱柱形电池（2）。 在每个电池（2）之间设置两个板（3,4），并且通过使两个板（3,4）彼此远离地移动来压缩每个电池（2）。 具有沿着电池（2）的堆叠方向延伸的相对表面（11,21）的一对框架构件（10,20）面对面设置，以便将电池（2）沿垂直于堆叠 电池方向。 插入在两个板（3,4）之间的楔形间隔件（12,22）分别设置在相对的表面上。 通过缩小一对框架构件（10,20）之间的间隙，允许间隔件（12,22）在两个板（3,4）之间向内前进，使得两个板在彼此远离的方向上移动 ，由此电池被压缩。
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公开(公告)号：US20120077075A1
公开(公告)日：2012-03-29
申请号：US13242028
申请日：2011-09-23
申请人： Yuji Tani , Hitoshi Maeda , Masayuki Fujiwara , Masao Kusukawa , Yoshitaka Shinyashiki , Atsuhiro Funahashi
发明人： Yuji Tani , Hitoshi Maeda , Masayuki Fujiwara , Masao Kusukawa , Yoshitaka Shinyashiki , Atsuhiro Funahashi
CPC分类号： H01M2/18 , H01M2/0237 , H01M10/0413 , H01M10/0525 , H01M10/058 , H01M2300/0017 , Y02T10/7011
摘要： A stack type battery has a stacked electrode assembly (10) in which a plurality of positive electrode plates (1) and a plurality of negative electrode plates (2) are alternately stacked one another across separators. Each one of pairs of the separators adjacent to each other in a stacking direction has a bonded portion (4) in which the separators are bonded to each other in at least a portion of a perimeter portion thereof, so as to form a pouch-type separator (3). The proportion of the bonded portion (4) of one of the pouch-type separators 3 (low blocking rate pouch-type separator (3L)) located in a stacking direction-wise central region of the stacked electrode assembly (10) is made smaller than the proportion of the bonded portion (4) of each of the pouch-type separators 3 (high blocking rate pouch-type separator 3H) located in both stacking direction-wise end portions of the stacked electrode assembly (10).
摘要翻译： 叠层型电池具有层叠电极组件（10），多个正极板（1）和多个负极板（2）在隔板间交替层叠。 在层叠方向上彼此相邻的一对分离器中的每一对具有接合部（4），其中隔片在其周边部分的至少一部分中彼此接合，从而形成袋型 分离器（3）。 位于叠层电极组件（10）的堆叠方向中心区域中的袋型分离器3（低封闭率袋式隔膜（3L））中的一个的接合部分（4）的比例较小 比层叠电极组件（10）的堆叠方向端部中的每个袋型分离器3（高阻塞率袋式分离器3H）的接合部分（4）的比例高。
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公开(公告)号：US20120003528A1
公开(公告)日：2012-01-05
申请号：US13172376
申请日：2011-06-29
申请人： Masao Kusukawa , Atsuhiro Funahashi , Yoshitaka Shinyashiki , Masayuki Fujiwara , Hitoshi Maeda , Yuji Tani
发明人： Masao Kusukawa , Atsuhiro Funahashi , Yoshitaka Shinyashiki , Masayuki Fujiwara , Hitoshi Maeda , Yuji Tani
CPC分类号： H01M2/0212 , H01M2/0404 , H01M2/0482 , H01M2/30 , H01M2/307
摘要： The present invention aims to provide a battery that includes electrode terminals passing through a lid, in which the lid and electrode terminals are securely insulated and sealed while being solidly fixed to each other without using an insulation-forming body or packing. To this end, a lid has upwardly-protruding protrusions formed therein. Through-holes are formed in the protrusions and tapered so as to become narrower toward the top relative to the bottom. Fitting portions forming the middle portions of a cathode terminal board and an anode terminal board are tapered to fit into the through-holes. Heat-welding tape is introduced between the outer faces of the fitting portions and the inner faces of the through-holes. The heat-welding tape is made up of an insulating substrate with heat-welding layers layered on both sides thereof.
摘要翻译： 本发明的目的在于提供一种电池，其包括通过盖的电极端子，其中盖和电极端子被牢固地绝缘和密封，同时牢固地固定在彼此上，而不使用绝缘成形体或包装。 为此，盖子上形成有向上突出的突起。 在突起中形成通孔，并使其相对于底部向顶部变窄。 形成阴极端子板和阳极端子板的中间部分的配合部分是锥形的，以配合到通孔中。 将热熔带引入配合部分的外表面和通孔的内表面之间。 热熔带由绝热基板和层叠在其两侧的热焊层组成。
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公开(公告)号：US20110076545A1
公开(公告)日：2011-03-31
申请号：US12892174
申请日：2010-09-28
CPC分类号： H01M10/0525 , H01M2/266 , H01M10/0585 , Y02T10/7011
摘要： A plurality of positive electrode plates (1) and a plurality of negative electrode plates are alternately stacked with separators interposed between the positive and negative electrodes. Positive electrode leads (11) and negative electrode leads extending outward from the respective electrode plates are respectively stacked on and joined to a positive electrode current collector terminal and a negative electrode current collector terminal to form a stack type battery. An incision (35) is formed in the positive electrode lead (11) so that a current (C11) passing through the lead (11) is branched into a plurality (two) of paths (D1, D2) by the incision (35), and the maximum current density of one (D1) of the plurality of paths (D1, D2) is equal to or greater 1.5 times of the maximum current density of the other path (D2).
摘要翻译： 交替层叠多个正极板（1）和多个负极板，隔板夹在正极和负极之间。 从各个电极板向外延伸的正极引线（11）和负极引线分别堆叠在正极集电端子和负极集电体端子上并接合以形成堆叠型电池。 在正极引线（11）中形成切口（35），使得通过切口（35）将通过引线（11）的电流（C11）分支成多个（两个）路径（D1，D2） ，并且多个路径（D1，D2）中的一个（D1）的最大电流密度等于或大于另一路径（D2）的最大电流密度的1.5倍。
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公开(公告)号：US20120028100A1
公开(公告)日：2012-02-02
申请号：US13192099
申请日：2011-07-27
申请人： Hitoshi Maeda , Masayuki Fujiwara , Yuji Tani , Masao Kusukawa , Yoshitaka Shinyashiki , Atsuhiro Funahashi
发明人： Hitoshi Maeda , Masayuki Fujiwara , Yuji Tani , Masao Kusukawa , Yoshitaka Shinyashiki , Atsuhiro Funahashi
IPC分类号： H01M2/18
CPC分类号： H01M2/18 , H01M2/16 , H01M2/1653 , H01M2/1686 , H01M2/266 , H01M10/0413 , H01M10/052 , H01M10/0525 , H01M10/0585
摘要： A prismatic secondary battery is a prismatic lithium-ion battery including a stack-type electrode assembly in which square positive and negative electrode plates are stacked with separators interposed therebetween. The positive electrode plates are arranged inside a bag-like separator. The width of the separator protruding from an end portion of each positive electrode plate on a non-joined side of the separator is greater than that of the separator protruding from an end portion of the positive electrode plate on a joined side of the separator. The heat-shrinkage rate of the separator in a direction vertical to the non-joined side is greater than that of the separator in a direction parallel to the non-joined side. Short circuiting between the positive and negative electrode plates due to heat shrinkage or rupture of the separator is prevented even when abnormal heat generation occurs in the battery.
摘要翻译： 棱柱二次电池是棱柱形锂离子电池，其包括堆叠型电极组件，其中正方形的正极板和负极板彼此层叠有隔板。 正极板配置在袋状隔膜的内部。 从分离器的非接合侧的每个正极板的端部突出的隔板的宽度大于在隔板的接合侧从正极板的端部突出的隔板的宽度。 分离器在与非接合侧垂直的方向上的热收缩率大于隔板在与非接合侧平行的方向上的热收缩率。 即使在电池中发生异常的发热，也防止了由于热收缩或隔膜破裂导致的正极板和负极板之间的短路。
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