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    • 3. 发明申请
    • Method for Manufacturing Battery, Battery Manufactured by The Method, and Method for Inspecting Battery
    • 电池制造方法,电池制造方法及电池检测方法
    • US20090233174A1
    • 2009-09-17
    • US12223717
    • 2007-02-07
    • Kazuya OkabeSatoshi YokotaTakahiro ItagakiTomonori KishimotoShuichi Izuchi
    • Kazuya OkabeSatoshi YokotaTakahiro ItagakiTomonori KishimotoShuichi Izuchi
    • H01M4/00H01M2/00
    • H01M2/263H01M2/22H01M10/0431H01M10/345Y10T29/49108Y10T29/4911
    • 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.
    • 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。
    • 9. 发明申请
    • Lead for sealed battery, sealed battery using the same and method of manufacturing the same
    • 密封电池用铅,密封电池与其制造方法相同
    • US20090208830A1
    • 2009-08-20
    • US11921417
    • 2006-05-26
    • Kazuya OkabeSatoshi YokotaTakahiro ItagakiTomonori KishimotoShuichi Izuchi
    • Kazuya OkabeSatoshi YokotaTakahiro ItagakiTomonori KishimotoShuichi Izuchi
    • H01M2/26
    • H01M2/263H01M10/0431H01M10/0587Y10T29/4911
    • 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.
    • 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。