| 摘要 |
PURPOSE:To prevent the dislocation of an air diffused paper sheet at the bottom of a positive electrode case and a liquid leakage at the air hole of the positive electrode case by inserting the air diffused paper sheet having a circular hole part sized to a projection part on the inner side of the bottom of the positive electrode case along the case bottom. CONSTITUTION:The diameter of an air diffused paper sheet 2 is made to have a diameter of 7mm, and the diameter of the central circular hole part of the sheet is made to have 3.6mm. In addition, the flat part of the inner side of the positive electrode case bottom is made to have a diameter of 8.6mm and the central circular projection 11 of the flat part is made to have a diameter of 3mm and a height of 0.5mm. The air diffused paper sheet 2 having a circular hole to suit the aforesaid projection 11 is inserted, thereby fabricating a cell. |
