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    • 9. 发明申请
    • STACKED BATTERY AND METHOD OF PRODUCING THE SAME
    • 堆叠式电池及其制造方法
    • US20120177975A1
    • 2012-07-12
    • US13395063
    • 2009-09-10
    • Hiroshi YagetaTomokazu KumeuchiTakao Daidoji
    • Hiroshi YagetaTomokazu KumeuchiTakao Daidoji
    • H01M2/18H01M10/04H01M10/02
    • H01M2/1673H01M2/18H01M2/347H01M4/13H01M10/0413H01M10/0418H01M10/0459H01M10/052H01M10/0583Y02T10/7011Y10T29/49108
    • A stacked battery includes a square battery element in which a tabular positive electrode, a separator and a tabular negative electrode are laminated, wherein: one side of the battery element is a terminal connection section pulled-out surface, which is provided on both the positive and negative electrodes and where a plate-like positive-electrode terminal connection section and a plate-like negative-electrode terminal connection are both pulled out; projection surfaces, which are generated by vertically projecting the positive-electrode terminal connection section and the negative-electrode terminal connection section onto surfaces extending from the positive and negative electrodes, do not cross each other; a surface of the positive electrode and a surface of the negative electrode, which are facing each other, are different in area; each electrode is disposed so that an entire projection portion, which is generated by projecting the small-area electrode onto a surface of a large-area electrode that faces the small-area electrode, is positioned on the large-area electrode; on a separator, a bumping section is provided to limit movements of positive and negative electrodes as a positive-electrode end surface and a negative-electrode end surface hit the bumping section; and as for the bumping section, separators are joined by a crease or joining section of adjacent separators among separators disposed on electrode surfaces.
    • 堆叠式电池包括层叠有平板状的正极,隔板和平板状的负极的正方形电池元件,其中:电池元件的一侧是端子连接部拉出面,其设置在正极 和负极,并且其中板状正极端子连接部分和板状负极端子连接都被拉出; 通过将正极端子连接部和负极端子连接部垂直地突出到从正极和负极延伸的表面上而产生的投影表面不会彼此交叉; 面对的正极的表面和负极的表面的面积不同; 每个电极被设置成使得通过将小面积电极投影到面对小面积电极的大面积电极的表面上而产生的整个突起部分位于大面积电极上; 在分离器上设置有凸起部,以限制作为正极端面的正极和负极的移动,负极端面撞击凸起部; 并且对于凸起部分,隔离件通过设置在电极表面上的隔板之间的相邻隔板的折痕或接合部分连接。