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公开(公告)号：US20140302366A1
公开(公告)日：2014-10-09
申请号：US14343198
申请日：2012-09-14
IPC分类号： H01M2/26 , H01M10/0587
CPC分类号： H01M2/263 , H01M4/70 , H01M10/0587 , Y02E60/122
摘要： A nonaqueous electrolyte secondary battery includes: an electrode group including a positive electrode plate, a negative electrode plate, and a separator. The positive and negative electrode plates are wound with the separator interposed therebetween. The positive electrode plate includes a first current collector exposed portion where a portion of the positive electrode current collector corresponding to an outermost portion of the electrode group is exposed over a length of greater than or equal to one turn in a winding direction of the electrode group, and a second current collector exposed portion where a portion of the positive electrode current collector corresponding to a middle portion of the electrode group is exposed over a length of greater than or equal to one turn in the winding direction. A positive electrode lead is provided on the second current collector exposed portion so as to be connected to an external electrode.
摘要翻译： 非水电解质二次电池包括：包括正极板，负极板和隔膜的电极组。 正极板和负极板之间夹有隔膜。 正极板包括：第一集电体露出部，其中对应于电极组的最外部分的正极集电体的一部分在电极组的卷绕方向上暴露在大于或等于一匝的长度上 以及第二集电体露出部，其中与电极组的中间部对应的正极集电体的一部分在卷绕方向上暴露在大于或等于一匝的长度上。 正极引线设置在第二集电体露出部分上，以连接到外部电极。
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公开(公告)号：US09520588B2
公开(公告)日：2016-12-13
申请号：US14343198
申请日：2012-09-14
IPC分类号： H01M10/0587 , H01M2/26 , H01M4/70
CPC分类号： H01M2/263 , H01M4/70 , H01M10/0587 , Y02E60/122
摘要： A nonaqueous electrolyte secondary battery includes: an electrode group including a positive electrode plate, a negative electrode plate, and a separator. The positive and negative electrode plates are wound with the separator interposed therebetween. The positive electrode plate includes a first current collector exposed portion where a portion of the positive electrode current collector corresponding to an outermost portion of the electrode group is exposed over a length of greater than or equal to one turn in a winding direction of the electrode group, and a second current collector exposed portion where a portion of the positive electrode current collector corresponding to a middle portion of the electrode group is exposed over a length of greater than or equal to one turn in the winding direction. A positive electrode lead is provided on the second current collector exposed portion so as to be connected to an external electrode.
摘要翻译： 非水电解质二次电池包括：包括正极板，负极板和隔膜的电极组。 正极板和负极板之间夹有隔膜。 正极板包括：第一集电体露出部，其中对应于电极组的最外部分的正极集电体的一部分在电极组的卷绕方向上暴露在大于或等于一匝的长度上 以及第二集电体露出部，其中与电极组的中间部对应的正极集电体的一部分在卷绕方向上暴露在大于或等于一匝的长度上。 正极引线设置在第二集电体露出部分上，以连接到外部电极。
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公开(公告)号：US09048490B2
公开(公告)日：2015-06-02
申请号：US14131400
申请日：2012-04-26
IPC分类号： H01M2/14 , H01M2/18 , H01M2/34 , H01M10/0587 , H01M10/0525 , H01M2/26
CPC分类号： H01M2/34 , H01M2/26 , H01M10/0525 , H01M10/0587 , Y02E60/122 , Y02T10/7011
摘要： A lithium ion secondary battery includes an electrode group formed by winding a positive electrode having a positive electrode current collector and a positive electrode active material layer, and a negative electrode having a negative electrode current collector and a negative electrode active material layer, with a separator interposed between the electrodes. A wound positive electrode current collector exposing section faces a wound negative electrode current collector exposing section with the separator interposed therebetween, thereby forming a heteropolar electrode current collector facing zone corresponding to at least one turn in the electrode group. A unipolar electrode current collector facing zone, in which adjacent portions of the wound current collector exposing section or the wound current collector exposing section face each other directly or with the separator interposed therebetween corresponds to at least one turn in the electrode group.
摘要翻译： 锂离子二次电池包括通过将具有正极集电体和正极活性物质层的正极和具有负极集电体和负极活性物质层的负极卷绕而形成的电极组，隔膜 插在电极之间。 卷绕的正极集电体露出部分面对卷绕的负极集电体曝光部分，其间插入隔板，从而形成对应于电极组中的至少一个匝的异极电极集电器面对区域。 单极电极集电体面对区域，其中，绕组集电体露出部分或卷绕集电体露出部分的相邻部分直接面对或与其间隔开的分隔板相对应于电极组中的至少一个匝。
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公开(公告)号：US20140147715A1
公开(公告)日：2014-05-29
申请号：US14131400
申请日：2012-04-26
IPC分类号： H01M2/34
CPC分类号： H01M2/34 , H01M2/26 , H01M10/0525 , H01M10/0587 , Y02E60/122 , Y02T10/7011
摘要： A lithium ion secondary battery includes an electrode group formed by winding a positive electrode having a positive electrode current collector and a positive electrode active material layer, and a negative electrode having a negative electrode current collector and a negative electrode active material layer, with a separator interposed between the electrodes. A wound positive electrode current collector exposing section faces a wound negative electrode current collector exposing section with the separator interposed therebetween, thereby forming a heteropolar electrode current collector facing zone corresponding to at least one turn in the electrode group. A unipolar electrode current collector facing zone, in which adjacent portions of the wound current collector exposing section or the wound current collector exposing section face each other directly or with the separator interposed therebetween corresponds to at least one turn in the electrode group.
摘要翻译： 锂离子二次电池包括通过卷绕具有正极集电体和正极活性物质层的正极以及具有负极集电体和负极活性物质层的负极而形成的电极组，隔膜 插在电极之间。 卷绕的正极集电体露出部分面对卷绕的负极集电体曝光部分，其间插入隔板，从而形成对应于电极组中的至少一个匝的异极电极集电器面对区域。 单极电极集电体面对区域，其中，绕组集电体露出部分或卷绕集电体露出部分的相邻部分直接面对或与其间隔开的分隔板相对应于电极组中的至少一个匝。
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公开(公告)号：US20120171529A1
公开(公告)日：2012-07-05
申请号：US13496376
申请日：2011-06-14
IPC分类号： H01M10/50
CPC分类号： H01M2/105 , H01M10/613 , H01M10/623 , H01M10/625 , H01M10/655 , H01M10/6567
摘要： Disclosed is a battery pack including a battery and a cooling member for cooling the battery. The cooling member includes a coolant and a container enclosing the coolant. The container is capable of having a releasing port for releasing the coolant at a first temperature of 100° C. or more. The cooling member is arranged at a position that allows the coolant released from the releasing port of the container to spread on a principal surface of the battery. The coolant may include water, a surfactant, and a metallic soap. The coolant may further include a foaming accelerator capable of foaming at a temperature of 100° C. or more.
摘要翻译： 公开了一种电池组，其包括电池和用于冷却电池的冷却部件。 冷却构件包括冷却剂和封闭冷却剂的容器。 容器能够具有用于在100℃或更高的第一温度下释放冷却剂的释放口。 冷却构件布置在允许从容器的释放口释放的冷却剂在电池的主表面上扩散的位置。 冷却剂可以包括水，表面活性剂和金属皂。 冷却剂还可以包括能够在100℃以上的温度下起泡的发泡促进剂。
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公开(公告)号：US08871369B2
公开(公告)日：2014-10-28
申请号：US13318708
申请日：2011-04-07
CPC分类号： H01M2/12 , H01M2/1241 , H01M2/1252 , Y02E60/12 , Y02E60/122 , Y02T10/7011
摘要： A hermetic battery including: a safety valve through which gas generated in the battery due to increase in pressure in the battery is discharged outside the battery, wherein the safety valve includes a first safety valve 9a, 10 which is operated at a first operating pressure, and a second safety valve 15a which is operated at a second operating pressure higher than the first operating pressure, a rate at which the gas is discharged while the second safety valve 15a is operated is higher than a rate at which the gas is discharged while the first safety valve 9a, 10 is operated, and the first safety valve 9a, 10 is closed at least while the second safety valve 15a is operated.
摘要翻译： 一种密封电池，包括：安全阀，由于电池中的压力增加而在电池中产生的气体通过其被排出到电池外部，其中安全阀包括在第一操作压力下操作的第一安全阀9a,10， 以及第二安全阀15a，其在高于第一工作压力的第二操作压力下操作，在第二安全阀15a操作时排出气体的速率高于气体排出的速率 至少在第二安全阀15a被操作时，第一安全阀9a，10被操作，并且第一安全阀9a，10被关闭。
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公开(公告)号：US08592076B2
公开(公告)日：2013-11-26
申请号：US13257500
申请日：2011-03-09
IPC分类号： H01M2/10
CPC分类号： H01M2/1022 , H01M10/6555
摘要： A battery pack includes: a plurality of batteries; a housing for containing the batteries; and at least one partition plate for separating the batteries from one another. The at least one partition plate includes a metal mesh and a heat insulating layer disposed on each side of the metal mesh. The heat insulating layer includes a foam material capable of foaming at a temperature of 110° C. or more and 200° C. or less, so that the thickness of the heat insulating layer increases when the foam material foams. Even when one of the batteries contained in the battery pack generates abnormal heat, the conduction of the heat to other batteries can be effectively suppressed.
摘要翻译： 电池组包括：多个电池; 用于容纳电池的壳体; 以及用于将电池彼此分离的至少一个分隔板。 所述至少一个隔板包括设置在所述金属网的每一侧上的金属网和隔热层。 绝热层包括能够在110℃以上且200℃以下的温度下发泡的泡沫材料，使得当泡沫材料发泡时，隔热层的厚度增加。 即使电池组中包含的电池中的一个产生异常热，也能够有效地抑制对其他电池的热传导。
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公开(公告)号：US20120196163A1
公开(公告)日：2012-08-02
申请号：US13318708
申请日：2011-04-07
CPC分类号： H01M2/12 , H01M2/1241 , H01M2/1252 , Y02E60/12 , Y02E60/122 , Y02T10/7011
摘要： A hermetic battery including: a safety valve through which gas generated in the battery due to increase in pressure in the battery is discharged outside the battery, wherein the safety valve includes a first safety valve 9a, 10 which is operated at a first operating pressure, and a second safety valve 15a which is operated at a second operating pressure higher than the first operating pressure, a rate at which the gas is discharged while the second safety valve 15a is operated is higher than a rate at which the gas is discharged while the first safety valve 9a, 10 is operated, and the first safety valve 9a, 10 is closed at least while the second safety valve 15a is operated.
摘要翻译： 一种密封电池，包括：安全阀，由于电池中的压力增加而在电池中产生的气体通过其被排出到电池外部，其中安全阀包括在第一操作压力下操作的第一安全阀9a,10， 以及第二安全阀15a，其在高于第一工作压力的第二操作压力下操作，在第二安全阀15a操作时排出气体的速率高于气体排出的速率 至少在第二安全阀15a被操作时，第一安全阀9a，10被操作，并且第一安全阀9a，10被关闭。
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公开(公告)号：US09362587B2
公开(公告)日：2016-06-07
申请号：US13576871
申请日：2010-12-15
申请人： Tomohiko Yokoyama , Kazuki Endo , Masato Fujikawa
发明人： Tomohiko Yokoyama , Kazuki Endo , Masato Fujikawa
IPC分类号： H01M4/00 , H01M2/36 , H01M10/04 , H01M2/02 , H01M2/26 , H01M10/0587 , H01M10/052
CPC分类号： H01M10/0431 , H01M2/02 , H01M2/263 , H01M10/052 , H01M10/0587 , H01M2002/0205 , Y02T10/7011
摘要： In a rectangular battery, a lead 9L connected to an electrode plate having a first polarity is connected to a battery case 1 which is an external terminal having the first polarity. A lead 11L connected to an electrode plate having a second polarity is connected to an external terminal 25 having the second polarity, through a connection plate 29. A distance between the battery case 1 and the connection plate 29 at at least one end of the battery case 1 in a long-side direction is equal to or less than the half of the width of the battery case 1 in a short-side direction thereof.
摘要翻译： 在矩形电池中，连接到具有第一极性的电极板的引线9L连接到作为具有第一极性的外部端子的电池壳体1。 连接到具有第二极性的电极板的引线11L通过连接板29连接到具有第二极性的外部端子25.在电池的至少一端处电池壳体1和连接板29之间的距离 长边方向的壳体1在短边方向上等于或小于电池壳体1的宽度的一半。
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10.发明授权公开(公告)号：US09112209B2
公开(公告)日：2015-08-18
申请号：US13383791
申请日：2011-03-18
申请人： Kazuki Endo , Masato Fujikawa
发明人： Kazuki Endo , Masato Fujikawa
IPC分类号： H01M4/131 , H01M4/62 , H01M10/0525 , H01M10/0587
CPC分类号： H01M4/131 , H01M4/621 , H01M10/0525 , H01M10/0587 , Y02E60/122 , Y02P70/54
摘要： Disclosed is a positive electrode for non-aqueous electrolyte secondary batteries, the positive electrode including a positive electrode material mixture layer which includes positive electrode active material particles and a binder. A curve representing a correlation between a distance from a current collector in the thickness direction of the positive electrode material mixture layer and an amount of the binder has a first maximum point, a minimum point, and a second maximum point. The minimum point corresponds to a position in a center area of the positive electrode material mixture layer in a thickness direction thereof, and the first and second maximum points correspond to a position nearer the current collector and a position further away from the current collector than the position corresponding to the minimum point, respectively. A ratio W1/W2 of an amount W1 at the first maximum point to an amount W2 at the minimum point of the binder per 100 parts by weight of the positive electrode active material particles is greater than 2.
摘要翻译： 公开了一种非水电解质二次电池用正极，所述正极具有包含正极活性物质粒子和粘合剂的正极合剂层。 表示正极复合层的厚度方向上的集电体的距离与粘合剂的量之间的相关性的曲线具有第一最大点，最小点和第二最大点。 最小点对应于正极复合材料层在其厚度方向的中心区域中的位置，并且第一和第二最大点对应于更靠近集电器的位置和远离集电器的位置比 分别对应于最小点的位置。 相对于正极活性物质粒子100重量份，第一最大点处的量W1与粘合剂的最小点的量W2的比W1 / W2大于2。
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