Method for Manufacturing Battery, Battery Manufactured by The Method, and Method for Inspecting Battery
    3.
    发明申请
    Method for Manufacturing Battery, Battery Manufactured by The Method, and Method for Inspecting Battery 有权
    电池制造方法,电池制造方法及电池检测方法

    公开(公告)号:US20090233174A1

    公开(公告)日:2009-09-17

    申请号:US12223717

    申请日:2007-02-07

    IPC分类号: H01M4/00 H01M2/00

    摘要: Provided are a method for manufacturing highly reliable batteries and a method for inspecting batteries that can achieve firm, low-resistance welding upon welding of points of contact between a lead welded to the lid of a battery and an upper current collecting plate and that can eliminate batteries with defective welds.Specifically, the method includes the steps of placing in a battery container an electrode assembly (70) including a positive electrode plate and a negative electrode plate; arranging an upper current collecting plate (2) electrically connected to one of the electrodes of the electrode assembly (70) on the electrode assembly (70); bringing a lead (21) previously welded to the inner surface of a lid (50) in contact with the upper current collecting plate (2); and welding the points of contact between the lead (21) and the upper current collecting plate (2), in that the points of contact between the lead and the upper current collecting plate are welded by passing a current between a positive electrode terminal and a negative electrode terminal of the battery while the lead (21) is subjected to a compressive stress exceeding the elastic deformation range of the lead. Also provided are batteries produced by the method, and a method for inspecting battery including the steps of detecting defective welds by measuring alternating-current resistance of a battery.

    摘要翻译: 提供一种用于制造高可靠性电池的方法和一种用于检查电池的方法,其可以在焊接到焊接到电池盖的引线与上部集电板之间的接触点焊接时实现牢固的低电阻焊接,并且可以消除 电池缺陷焊接。 具体而言,该方法包括以下步骤:在电池容器中放置包括正极板和负极板的电极组件(70) 布置与电极组件(70)上的电极组件(70)的一个电极电连接的上集流板(2); 将预先焊接到与上集流板(2)接触的盖(50)的内表面的引线(21) 并且焊接引线(21)和上集流板(2)之间的接触点,因为引线和上集流板之间的接触点通过在正电极端子和上集流板 电极的负极端子,而引线(21)经受超过引线的弹性变形范围的压缩应力。 还提供了通过该方法制造的电池,以及用于检查电池的方法,包括通过测量电池的交流电阻来检测缺陷焊接的步骤。

    Sealed Battery, Method For Producing the Same, Assembled Battery Comprising a Plurality of Sealed Batteries

    公开(公告)号:US20080166630A1

    公开(公告)日:2008-07-10

    申请号:US11791742

    申请日:2005-11-28

    IPC分类号: H01M2/30 H01M2/08 H01M6/00

    摘要: An object of the invention is to provide a sealed battery having a low resistance, excellent in the output power, and provided with a current collecting structure by setting welding points of a lower current collecting plate and a container bottom surface at specified positions without requiring a current collecting substrate with a special structure or a complicated welding method.The invention provides a sealed battery obtained by housing an electrode assembly (70) including a positive electrode plate and a negative electrode plate in a container (60), arranging an upper current collecting plate (2) on the electrode assembly (70), welding the upper surface of the upper current collecting plate (2) electrically connected with one of the electrodes of the electrode assembly (70) with the inner surface of a lid (50) through a lead (20, 30), using a safety valve formed by putting a cap (80) on the upper part of the center of a bare lid through a valve body (90) as the lid (50), arranging a lower current collecting plate (100) under the electrode assembly (70), and welding the lower surface of the lower current collecting plate (100) electrically connected with the other electrode of the electrode assembly (70) with the inner surface of the container (60) bottom and characterized in that welding points (100-1) of the lower surface of the lower current collecting plate (100) and the inner surface of the container (60) bottom are at least outside of positions (101) of the lower current collecting plate corresponding to immediately under the end part of the cap (80). The welding points (100-1) are at positions within a range between a concentric circle parted from the center by 48% and a concentric circle parted from the center by 93% in the length from the center to the outer circumference of the lower current collecting plate (100).

    Sealed battery and battery stack comprising a plurality of sealed batteries
    5.
    发明授权
    Sealed battery and battery stack comprising a plurality of sealed batteries 有权
    包括多个密封电池的密封电池和电池组

    公开(公告)号:US08815430B2

    公开(公告)日:2014-08-26

    申请号:US11663917

    申请日:2005-09-27

    摘要: A sealed battery includes a lid closing a container of a sealed battery, an upper current collecting plate, a lead connecting an upper surface to an inner surface of the lid. A welding point of the lead is outside a position corresponding to a periphery of the cap. The lead includes a cylindrical lateral wall part extending vertically, an annular frame portion extending substantially horizontally from a first end of the lateral wall part, and a plurality of supplementary leads that extends substantially horizontally from a second end part of the lateral wall part. The frame portion extends from the first end part in substantially a first direction along a radial direction of the cylindrical lateral wall part, whereas the plurality of supplementary leads extends from the second end part in substantially a second direction opposite to the first direction along the radial direction.

    摘要翻译: 密封电池包括封闭密封电池的容器的盖子,上集流板,将上表面连接到盖的内表面的引线。 引线的焊接点在对应于盖的周边的位置的外侧。 引线包括垂直延伸的圆柱形侧壁部分,从侧壁部分的第一端基本上水平延伸的环形框架部分和从侧壁部分的第二端部基本上水平延伸的多个辅助引线。 框架部分沿着圆柱形侧壁部分的径向在大致第一方向上从第一端部延伸,而多个辅助引线沿着径向从第二端部沿与第一方向相反的大致第二方向延伸 方向。

    Lead for sealed battery, sealed battery using the same and method of manufacturing the same
    7.
    发明申请
    Lead for sealed battery, sealed battery using the same and method of manufacturing the same 审中-公开
    密封电池用铅,密封电池与其制造方法相同

    公开(公告)号:US20090208830A1

    公开(公告)日:2009-08-20

    申请号:US11921417

    申请日:2006-05-26

    IPC分类号: H01M2/26

    摘要: A lead for a sealed battery having a specific profile can realize a low resistance welding process when connecting the upper current collecting plate and the lid in order to make the sealed battery show a low resistance and excellent output characteristics. A sealed battery is realized by using such a lead and a method of manufacturing such a battery employs a specific welding step.A lead for a sealed battery to be used by welding the inner surface of the lid of the sealed battery and the upper surface of an upper current collecting plate is characterized in that the lead comprises a plate-shaped top part (20-1) and a lateral wall part (20-2) extending obliquely downwardly from the outer periphery of the top part (20-1) so as to expand or the lateral wall part (20-2) and a flange portion (30) provided at the outer periphery of the lower end thereof and that slits (20-4) are formed in the lateral wall part (20-2) and the flange portion (30) of the lead to extend longitudinally from the lower end thereof and at circumferential intervals. Additionally, a lead is characterized in that the lead comprises a plate-shaped frame part (21-1) and a lateral wall part (21-2) extending obliquely downwardly from the inner periphery of the frame part (21-1) so as to contract or the lateral wall part (21-2) and a bottom (31) projecting from the inner periphery of the lower end thereof and that slits are formed in the lateral wall part (21-2) and the bottom (31) to extend longitudinally from the lower end thereof and at circumferential intervals. A sealed battery is formed by using such a lead. A assembled battery is formed by using a plurality of such batteries. A method of manufacturing a sealed battery comprises a specific welding step.

    摘要翻译: 用于具有特定外形的密封电池的引线可以在连接上部集电板和盖子时实现低电阻焊接工艺,以使密封电池显示出低电阻和优异的输出特性。 通过使用这种引线实现密封电池,并且使用特定的焊接步骤制造这种电池的方法。 用于通过焊接密封电池的盖的内表面和上集流板的上表面而使用的密封电池的引线的特征在于,引线包括板状顶部(20-1)和 从所述顶部部分(20-1)的外周向所述外壁部分(20-2)倾斜向下延伸以便侧向延伸的侧壁部分(20-2)或所述侧壁部分(20-2)和设置在所述外侧部分上的凸缘部分(30) 其下端的周边,并且在侧壁部分(20-2)中形成狭缝(20-4),并且引线的凸缘部分(30)从其下端纵向延伸并且以周向间隔延伸。 另外,引线的特征在于,引线包括从框架部分(21-1)的内周向斜下方延伸的板状框架部分(21-1)和侧壁部分(21-2),以便 收缩或侧壁部分(21-2)和从其下端的内周突出的底部(31),并且在侧壁部分(21-2)和底部(31)中形成狭缝至 从其下端纵向延伸并且以周向间隔延伸。 通过使用这样的导线形成密封电池。 通过使用多个这样的电池形成组电池。 密封电池的制造方法包括具体的焊接工序。

    Sealed Battery, Lead for Sealed Battery and Battery Stack Comprising a Plurality of Sealed Batteries

    公开(公告)号:US20080038629A1

    公开(公告)日:2008-02-14

    申请号:US11663917

    申请日:2005-09-27

    IPC分类号: H01M2/26 H01M2/12

    摘要: The object of the invention is to provide a sealed battery having a low resistance and is excellent in output power performance, and a lead suitable for the sealed battery, and a battery stack comprising a plurality of such sealed batteries as described above, Provided is a sealed battery comprising a lid (50) for closing the open end of a container (60) which has, at the center of its upper surface, a valve body (90) covered with a cap (80) to form a safety valve, and an upper current collecting plate (2) connected via lead (20, 30) to the inner surface of lid (50), wherein a welding point of lead (20) to the inner surface of lid (50) is, in a flat view, outside the periphery of cap (80), and the length of lead (20, 30) from the welding point (20) on the inner surface of lid (50) to the nearest welding point (30) on the upper current collecting plate (2) is 1 to 2.1 times as large as the shortest distance between the welding point (20) of lead on the inner surface of lid (50) and the upper surface of upper current collecting plate (2). In addition, a welding point formed by the lead (30) on the upper current collecting plate (2) falls in a circular band enclosed between a concentric circle around the center of upper current collecting plate (2) and having a radius 41% of the radius of said plate, and another concentric circle having a 69% radius. Welding points (100-1) formed between the lower surface of a lower current collecting plate (100) and the upper surface of bottom of container (60) are disposed, in a flat view, laterally outside the peripheral margin of a cap (80). The lead used for such a sealed battery may be shaped like a ring (20, 30) or a double-walled ring having a frame portion and lateral wall portions. Such sealed batteries may be combined to form a battery stack

    Hydrogen Absorbing Electrode and Nickel Metal-Hydridge Battery
    9.
    发明申请
    Hydrogen Absorbing Electrode and Nickel Metal-Hydridge Battery 审中-公开
    吸氢电极和镍氢电池

    公开(公告)号:US20070269717A1

    公开(公告)日:2007-11-22

    申请号:US11661122

    申请日:2005-08-10

    IPC分类号: H01M4/58 H01M6/00

    摘要: The object of the present invention is to provide a nickel metal-hydride battery excellent in cycle performance, high-rate discharging ability, and output power performance, by utilizing a hydrogen absorbing electrode comprising a hydrogen absorbing alloy powder as an active material, which is excellent in resistance to corrosion and high-rate discharging performance. Provided are a hydrogen absorbing electrode comprising 100 parts by weight of a hydrogen absorbing alloy powder which contains, as a main component, a rare earth element and a transition metal element, and has a saturation mass susceptibility of 1.0 to 6.5 emu/g, and 0.3 to 1.5 part by weight of an oxide or hydroxide of a rare earth element, the oxide or hydroxide has as a main component one or two or more rare earth elements selected from a group consisting of Dy, Ho, Er, Tm, Yb, and Lu and is in the form of powder whose average diameter is equal to or less than 5 μm, and a nickel metal-hydride battery comprising a nickel electrode as a positive electrode and a hydrogen absorbing electrode as a negative electrode.

    摘要翻译: 本发明的目的是提供一种具有优异的循环性能,高放电能力和输出功率性能的镍氢电池,通过使用包含吸氢合金粉末作为活性物质的吸氢电极, 耐腐蚀性和高放电性能优异。 提供一种吸氢电极,其包含100重量份的含有作为主要成分的稀土元素和过渡金属元素并且具有1.0至6.5emu / g的饱和质量敏感性的吸氢合金粉末,以及 0.3〜1.5重量份的稀土元素的氧化物或氢氧化物,所述氧化物或氢氧化物以主要成分为一种或两种以上选自Dy,Ho,Er,Tm,Yb, 和Lu,并且是平均直径等于或小于5μm的粉末形式;以及镍氢电池,其包括镍电极作为正极和吸氢电极作为负电极。