| 摘要 |
PURPOSE:To uniformly press against the inner wall of a case for easy insertion of a negative assembly and to increase electrolyte leakage resistance and dis charge performance by using a 0.05mm thick expanded metal whose bending strength is halved as the electrode plate of a cell. CONSTITUTION:A 0.05mm thick expanded metal 5 whose bending strength is halved is used as an electrode plate 7 for a cell by blanking in a rectangular form, forming a cylinder, then pressing against the inner wall of a case. By using this expanded metal, the thickness of a positive mix 6 is made thin by about 25%, and the bending strength can be reduced. Therefore, the positive mix 6 can retain a cylindrical form inside the case. Thereby, a negative assem bly is easily inserted inside the positive electrode, and reliable seal can be obtained. Discharge performance and leakage resistance are increased. |
