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    • 3. 发明授权
    • Prismatic secondary battery
    • 棱镜二次电池
    • US08993155B2
    • 2015-03-31
    • US13551241
    • 2012-07-17
    • Eiji OkutaniYoshinori YokoyamaTakayuki HattoriYasuhiro Yamauchi
    • Eiji OkutaniYoshinori YokoyamaTakayuki HattoriYasuhiro Yamauchi
    • H01M2/04H01M2/30
    • H01M2/0482H01M2/0217H01M2/0434H01M2/06H01M2/08H01M2/26H01M2/30
    • In a prismatic secondary battery, an internal negative electrode terminal is electrically connected to a collector through through-holes formed in a sealing plate, a gasket, and an insulating member in a manner electrically insulated from the sealing plate. The sealing plate has one face on which a protrusion is formed, an insulating plate has a face that is on the sealing plate and on which a concave portion fitted to the protrusion is formed, each of the protrusion and the concave portion of the insulating plate is provided at one position on respective sides of the through-hole, and at least one of the protrusions has a top face on which a concave portion is formed. The battery having such a structure is unlikely to cause rotary displacement between the insulating plate and the sealing plate even when a rotary torque is applied to the internal terminal.
    • 在棱柱二次电池中,内部负极端子以与密封板电绝缘的方式通过形成在密封板,垫圈和绝缘构件中的通孔电连接到集电器。 密封板具有形成有突起的一个面,绝缘板具有位于密封板上并且形成有与突起部嵌合的凹部的绝缘板,绝缘板的每个突起和凹部 设置在通孔的相应侧的一个位置,并且至少一个突起具有形成有凹部的顶面。 具有这种结构的电池即使当向内部端子施加旋转扭矩时也不可能在绝缘板和密封板之间引起旋转位移。
    • 5. 发明授权
    • Prismatic secondary battery
    • 棱镜二次电池
    • US08574756B1
    • 2013-11-05
    • US13551028
    • 2012-07-17
    • Yoshinori YokoyamaTakayuki HattoriEiji OkutaniYasuhiro Yamauchi
    • Yoshinori YokoyamaTakayuki HattoriEiji OkutaniYasuhiro Yamauchi
    • H01M6/12
    • H01M10/0587H01M2/263H01M2/34H01M10/0431H01M10/0468
    • A prismatic secondary battery includes a flat electrode assembly including one end having stacked positive electrode substrate exposed portions and including the other end having stacked negative electrode substrate exposed portions, and includes a positive electrode collector and a negative electrode collector connected to the corresponding outermost surface in the stacking direction of the stacked positive electrode substrate exposed portions and the stacked negative electrode substrate exposed portions, respectively, by resistance welding; the positive electrode substrate and the negative electrode substrate have thicknesses different from each other; a rib of the positive electrode collector and a rib of the negative electrode collector have heights different from each other; and each leading end in the height direction of the ribs has approximately the same height.
    • 棱镜二次电池包括扁平电极组件,其包括具有堆叠的正极基板暴露部分的一端,并且包括具有堆叠的负极基板暴露部分的另一端,并且包括正极集电体和负极集电体,该正极集电体和负极集电体连接到相应的最外表面 分别通过电阻焊接层叠的正极基板暴露部分和层叠的负极基板暴露部分的堆叠方向; 正极基板和负极基板的厚度彼此不同; 正极集电体的肋和负极集电体的肋具有彼此不同的高度; 并且肋的高度方向上的每个前端具有大致相同的高度。