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    Battery pack including gas absorption portion
    1.
    发明授权
    Battery pack including gas absorption portion 有权
    电池组包括气体吸收部分

    公开(公告)号：US09337454B2

    公开(公告)日：2016-05-10

    申请号：US13643830

    申请日：2011-11-04

    申请人： Tomohiko Yokoyama ,  Masato Fujikawa ,  Akiko Yuasa

    发明人： Tomohiko Yokoyama ,  Masato Fujikawa ,  Akiko Yuasa

    IPC分类号： H01M2/12 ,  H01M2/10

    CPC分类号： H01M2/1061 ,  H01M2/1241

    摘要： A battery pack comprising: a secondary battery including a safety valve; a gas absorption portion including a gas absorbent represented by zeolite and a container hermetically enclosing the gas absorbent; and a case housing the secondary battery and the gas absorption portion. The safety valve is configured to discharge a gas produced in the secondary battery at the time of abnormality. The container includes a principal surface facing the safety valve, for example, and when the gas is discharged, the container is unsealed by rupturing of at least the principal surface of the container by an effect of heat or pressure of the gas.

    摘要翻译： 一种电池组，包括：二次电池，包括安全阀; 气体吸收部分，包括由沸石表示的气体吸收剂和气密地包围气体吸收剂的容器; 以及容纳二次电池和气体吸收部的壳体。 安全阀被配置为在异常时排出在二次电池中产生的气体。 容器包括例如面向安全阀的主表面，并且当气体排出时，容器通过气体的热或压力的影响使至少主体表面破裂而开封。

    BATTERY PACK
    2.
    发明申请
    BATTERY PACK 有权
    电池组

    公开(公告)号：US20130040173A1

    公开(公告)日：2013-02-14

    申请号：US13643830

    申请日：2011-11-04

    申请人： Tomohiko Yokoyama ,  Masato Fujikawa ,  Akiko Yuasa

    发明人： Tomohiko Yokoyama ,  Masato Fujikawa ,  Akiko Yuasa

    IPC分类号： H01M2/12

    CPC分类号： H01M2/1061 ,  H01M2/1241

    摘要： A battery pack comprising: a secondary battery including a safety valve; a gas absorption portion including a gas absorbent represented by zeolite and a container hermetically enclosing the gas absorbent; and a case housing the secondary battery and the gas absorption portion. The safety valve is configured to discharge a gas produced in the secondary battery at the time of abnormality. The container includes a principal surface facing the safety valve, for example, and when the gas is discharged, the container is unsealed by rupturing of at least the principal surface of the container by an effect of heat or pressure of the gas.

    摘要翻译： 一种电池组，包括：二次电池，包括安全阀; 气体吸收部分，包括由沸石表示的气体吸收剂和气密地包围气体吸收剂的容器; 以及容纳二次电池和气体吸收部的壳体。 安全阀被配置为在异常时排出在二次电池中产生的气体。 容器包括例如面向安全阀的主表面，并且当气体排出时，容器通过气体的热或压力的影响使至少主体表面破裂而开封。

    Rectangular battery
    3.
    发明授权
    Rectangular battery 有权
    矩形电池

    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。

    CELL MODULE
    4.
    发明申请
    CELL MODULE 有权
    电池模块

    公开(公告)号：US20130095356A1

    公开(公告)日：2013-04-18

    申请号：US13807672

    申请日：2011-05-31

    申请人： Keisuke Shimizu ,  Tomohiko Yokoyama ,  Masato Fujikawa ,  Keisuke Naito

    发明人： Keisuke Shimizu ,  Tomohiko Yokoyama ,  Masato Fujikawa ,  Keisuke Naito

    IPC分类号： H01M2/12

    CPC分类号： H01M2/1223 ,  H01M2/1077 ,  H01M2/1241

    摘要： Batteries 100 are accommodated in a case 20, wherein the batteries 100 each include an opening portion 8a for releasing gas produced in an associated one of the batteries to outside the battery, the case 20 is partitioned into an accommodation section 50 configured to accommodate the batteries 100 and an exhaust passage 60 configured to expel the gas released from at least one of the opening portions 8a of the batteries 100 to outside the case 20, the opening portions 8a of the batteries 100 are allowed to communicate with the exhaust passage 60 through sealed connection passages 40, and a one-way open valve 70 which is configured to open only along a direction from the opening portion 8a of the battery 100 to the exhaust passage 60 is provided in an intermediate portion or at an end of each of the connection passages 40.

    摘要翻译： 电池100容纳在壳体20中，其中电池100各自包括用于将相关联的一个电池中产生的气体释放到电池外部的开口部分8a，壳体20被分隔成容纳电池的容纳部分50 100和排气通道60，其被配置为将从电池100的至少一个开口部分8a释放的气体排出到壳体20的外部，电池100的开口部分8a通过密封的方式与排气通道60连通 连接通道40和单向打开阀70被构造成仅沿着从电池100的开口部分8a到排气通道60的方向打开，在每个连接件的中间部分或末端 通道40。

    SECONDARY BATTERY
    5.
    发明申请
    SECONDARY BATTERY 审中-公开
    二次电池

    公开(公告)号：US20100273033A1

    公开(公告)日：2010-10-28

    申请号：US12767309

    申请日：2010-04-26

    申请人： Masato FUJIKAWA ,  Tomohiko Yokoyama

    发明人： Masato FUJIKAWA ,  Tomohiko Yokoyama

    IPC分类号： H01M2/00

    CPC分类号： H01M2/263 ,  H01M2/348 ,  H01M10/0525 ,  H01M10/0587

    摘要： Positive and negative electrode plates are respectively joined to positive and negative electrode terminals through leads. At least one of the leads joined to the positive or negative electrode plate is made of a stack of first and second metal layers. The first metal layer has a resistance higher than that of the second metal layer. The second metal layer has a melting point lower than that of the first metal layer. When a short-circuit current flows in the secondary battery, current is concentrated in the second metal layer to cause a blowout of the second metal layer, and then, an increase in an heat generation amount due to an increase in a current density of a short-circuit current flowing in the first metal layer causes a blowout of the first metal layer, thereby causing a blowout of the lead to interrupt the short-circuit current.

    摘要翻译： 正极板和负极板通过引线分别连接到正极端子和负极端子。 连接到正极板或负极板的引线中的至少一个由第一和第二金属层的叠层制成。 第一金属层的电阻高于第二金属层。 第二金属层的熔点低于第一金属层的熔点。 当在二次电池中流过短路电流时，电流集中在第二金属层中，引起第二金属层的吹出，由于电流密度增加导致发热量增加 在第一金属层中流动的短路电流导致第一金属层的吹出，从而导致引线的吹出中断短路电流。

    LITHIUM ION SECONDARY BATTERY
    6.
    发明申请
    LITHIUM ION SECONDARY BATTERY 审中-公开
    锂离子二次电池

    公开(公告)号：US20100136393A1

    公开(公告)日：2010-06-03

    申请号：US12595001

    申请日：2008-07-17

    申请人： Hideharu Takezawa ,  Masato Fujikawa ,  Miyiki Nakai ,  Shinji Kasamatsu ,  Tomohiko Yokoyama

    发明人： Hideharu Takezawa ,  Masato Fujikawa ,  Miyiki Nakai ,  Shinji Kasamatsu ,  Tomohiko Yokoyama

    IPC分类号： H01M6/10 ,  H01M4/58 ,  H01M4/00

    CPC分类号： H01M10/0525 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/021

    摘要： In a lithium ion secondary battery, a lithium-nickel-containing composite oxide that contains lithium and nickel is used as a positive electrode active material, and a negative electrode active material having a melting temperature of 1200° C. or less in a lithium-absorbed state is included in a negative electrode active material layer. By configuring as above, in the lithium ion secondary battery, it is possible to achieve higher capacity, higher output, and longer life, as well as further improved safety, and particularly in a nail penetration test, to suppress the heat generation due to internal short circuit and to reliably prevent the occurrence of thermal runaway.

    摘要翻译： 在锂离子二次电池中，使用含有锂和镍的含锂镍复合氧化物作为正极活性物质，在锂离子二次电池中使用熔融温度为1200℃以下的负极活性物质， 吸收状态包括在负极活性物质层中。 通过如上构造，在锂离子二次电池中，可以实现更高的容量，更高的输出和更长的寿命，以及进一步提高安全性，特别是在钉子穿透试验中，抑制由内部产生的发热 短路并可靠地防止热失控的发生。

    Battery having fire extinguishing element in mesh form
    9.
    发明授权
    Battery having fire extinguishing element in mesh form 有权
    电池具有网状灭火元件

    公开(公告)号：US08309250B2

    公开(公告)日：2012-11-13

    申请号：US12380702

    申请日：2009-03-03

    申请人： Hajime Nishino ,  Masato Fujikawa ,  Tomohiko Yokoyama ,  Mikinari Shimada

    发明人： Hajime Nishino ,  Masato Fujikawa ,  Tomohiko Yokoyama ,  Mikinari Shimada

    IPC分类号： H01M2/00 ,  H01M6/42

    CPC分类号： H01G9/155 ,  H01G9/12 ,  H01M10/0525 ,  H01M2200/00 ,  Y02E60/13 ,  Y10T29/49222

    摘要： A battery includes an electrode group, a case, a sealing member, and a mesh portion. The electrode group includes a positive electrode, a negative electrode opposing the positive electrode, an electrolyte interposed between the positive electrode and the negative electrode. The case has an opening and contains the electrode group. The sealing member closes the opening of the case. The mesh portion is provided so as to face an exhaust hole formed in at least one of the case and the sealing member. The mesh is formed of a thermally conductive material to put off frame coming out of the exhaust hole, in case where the battery is so defective to ignite fire.

    摘要翻译： 电池包括电极组，壳体，密封构件和网状部分。 电极组包括正极，与正极相对的负极，插入在正极和负极之间的电解质。 壳体具有开口并且包含电极组。 密封构件封闭壳体的开口。 网状部分设置成面对形成在壳体和密封构件中的至少一个中的排气孔。 在电池发生故障点火的情况下，网状物由导热材料形成，以将排出的框架从排气孔排出。