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    • 1. 发明授权
    • Battery module and method of manufacturing thereof
    • 电池模块及其制造方法
    • US06599660B2
    • 2003-07-29
    • US09799627
    • 2001-03-07
    • Takashi OdaHideki OkajimaYukichi UesugiHitoshi TanakaYoshinobu Okumura
    • Takashi OdaHideki OkajimaYukichi UesugiHitoshi TanakaYoshinobu Okumura
    • H01M642
    • H01M2/202H01M2/022Y10T29/49114
    • A battery module of the present invention comprises an annular connecting member 10 having an aperture 14 at a position corresponding to a cap 8 provided on a sealing plate 7 and between the sealing member 7 of one cell B and a bottom of a can 6 of the other cell A. The annular connecting member 10 comprises an annular base portion 11 having its outer diameter smaller than an inner diameter of the opening portion of the can 6, a convex portion 12 with bottom protruding upward or downward alternately from the annular base portion 11, and a projection 13 projecting from the bottom of the convex portion 12. Thereby, the connecting portion between the cell A and the cell B has a collecting path of a length between both projections 13, namely, a length between the sealing plate 7 of the cell B and the bottom of the can 6 of the cell A, whereby the voltage drop across the connecting portion decreases, resulting in a battery module having high operation voltage.
    • 本发明的电池模块包括环形连接构件10,该环形连接构件10在对应于设置在密封板7上的帽8的位置和一个单元B的密封构件7和罐6的底部之间的位置处具有孔14 环形连接构件10包括其外径小于罐6的开口部分的内径的环形基部11,具有从环形基部11交替地向上或向下突出的底部的凸部12 以及从凸部12的底部突出的突起13.由此,电池A和电池B之间的连接部分具有在两个突起13之间的长度的收集路径,即,两个突起13的密封板7之间的长度 电池B和电池A的罐6的底部,由此连接部分两端的电压降降低,导致电池模块具有高的工作电压。