| 摘要 |
PURPOSE:To prevent the deformation of a negative electrode and maintain the good adhesion between power generating elements by arranging a cylindrical body for reinforcement made of conductive metal in the hollow section of the negative electrode that is mounted coaxially on the internal circumferential surface of positive electrode black mix. CONSTITUTION:Previously pressurized and molded positive electrode black mix 18 is closed tightly in a cylindrical positive electrode can 12 with the bottom and a cylindrical body 30 for reinforcement made of conductive metal to which a lead plate 20 is connected and then a separator 16 such as polypropylene nonwoven fabric is wound at the outside. Then, after this separator 16 is mounted on the inside of the positive electrode, a bobbin type nonaqueous electrolytic solution battery is formed by injecting an electrolytic solution 22 and sealing the battery. As a result, when the negative electrode 14 is molded and when the separator 16 is wound, the deformation of the negative electrode 14 made of flexible lithium can be prevented and the adhesion between power generating elements can be improved. |
