| 摘要 |
PURPOSE:To increase discharge performance by press-bonding a thin metal plate to the end of a negative plate in the projecting parts, covering the outermost circumference of an electrode group through a separator in the outside of the negative plate, and installing highly projecting parts, which are to be electrically connected to the inner wall of a battery container, in the thin plate adjacent to the end of the negative plate. CONSTITUTION:Highly projecting parts 3a are installed in a thin metal plate 2 adjacent to press bonding part of a metallic lithium to bring into contact with the inner wall of a battery container. A conductive path in which influence on resistivity of the thin metal plate is reduced same as between A and B. The projections 3b in the thin metal plate 2 are formed in a location where is within 1/6 from the end of the metal plate 2 to pervent the peeling off of the lithium plate 1 in winding. The projections 3a adjacent to the projections 3b are perferable to locate within 1/2 to the A' between A' and B since a point B at the noncontact end does not move toward a direction opposite to a point A', i.e. the projections 3a are adjacent to the press-bonded part of the projections 3b, and are preferable to form in a location where is 1/6 the total length of the metal plate. Therefore, discharge performance is increased. |
