| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a power storage device, capable of restraining increase of gaps between electrode constituent members or deformation of an electrode group at operation, and of preventing degradation of performance and deterioration in safety. <P>SOLUTION: The manufacturing method of the power storage device includes a process of heating and pressurizing an electrode group 6, obtained either by laminating or laminating, as well as, winding around a first electrode sheet, a second electrode sheet and a separator, with the use of a pressurizing hot-forming unit 7 equipped with a heater part 9. <P>COPYRIGHT: (C)2010,JPO&INPIT |
