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    • 3. 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。
    • 8. 发明申请
    • PRISMATIC SEALED SECONDARY BATTERY AND MANUFACTURING METHOD FOR THE SAME
    • 专用密封二次电池及其制造方法
    • US20120015225A1
    • 2012-01-19
    • US13181793
    • 2011-07-13
    • Takayuki HattoriTakenori KimuraYasuhiro YamauchiToshiyuki Nohma
    • Takayuki HattoriTakenori KimuraYasuhiro YamauchiToshiyuki Nohma
    • H01M10/36H01M10/04H01M10/02
    • H01M10/0431H01M2/0217H01M2/263H01M10/0413Y10T29/49108
    • A prismatic sealed secondary battery according to an embodiment of the present invention includes an electrode assembly having stacked or wound positive and negative electrode substrate exposed portions and a pair of collector members electrically joined to the respective electrode substrate exposed portions. At least one of the electrode substrate exposed portions is split into two groups, and therebetween is disposed an intermediate member made of resin material and holding a plurality of connective conducting members. The collector member for the substrate exposed portions split into two groups is disposed on at least one of the outermost faces of the substrate exposed portions, and is electrically joined by a resistance welding method to the substrate exposed portions, together with the connecting conductive members of the intermediate member. This configuration lowers resistance of the electrode substrate exposed portions and the collector members and curbs variation in the welding strength.
    • 根据本发明实施例的方形密封二次电池包括具有层叠或卷绕的正极和负极基板暴露部分的电极组件和电连接到各个电极基板暴露部分的一对集电体部件。 电极基板露出部中的至少一个被分成两组,并且在它们之间设置由树脂材料制成的中间部件并且保持多个连接导电部件。 用于基板暴露部分分成两组的集电体构件设置在基板暴露部分的至少一个最外表面上,并且通过电阻焊接方法与基板暴露部分电连接,连接导电部件 中间构件。 这种结构降低了电极基板暴露部分和集电体部件的阻力,并且限制了焊接强度的变化。