| 摘要 |
In method for manufacturing an external cladding for a laminate battery according to the present invention, austenitic stainless steel foil having a thermoplastic resin layer on one of a front surface and a rear surface and a lubricating film on the other surface is used as a material, the stainless steel foil is disposed such that the surface provided with the thermoplastic resin layer opposes a punch, and drawing is implemented on the stainless steel foil without using lubricating oil in a condition where an annular region of the stainless steel foil, which is contacted by a shoulder portion of the punch, is set at a temperature of 20° C. or lower, and an exterior region on an exterior of the annular region is set at a temperature between 40° C. and 100° C. |
