| 摘要 |
A BATTERY PACKET (50) COMPRISES A BATTERY CASE (51) FORMED BY PROCESSING A BATTERY CASE FORMING LAMINATED SHEET (10), A BATTERY (50A) CONTAINED IN THE BATTERY CASE (51), AND TABS (59, 60) EXTENDING OUTSIDE FROM THE BATTERY CASE (51). THE BATTERY CASE FORMING LAMINATED SHEET (10) IS FORMED BY LAMINATING A FIRST BASE FILM LAYER (1A), I.E., AN OUTERMOST LAYER, A METAL FOIL LAYER (2), AND A HEAT- ADHESIVE RESIN LAYER (3) IN THAT ORDER. THE FIRST BASE FILM LAYER (1A) IS A BIAXIALLY ORIENTED POLYETHYLENE TEREPHTHALATE RESIN FILM OR A BIAXIALLY ORIENTED NYLON RESIN FILM. THE METAL FOIL LAYER (2) IS AN ALUMINUM OR COPPER FOIL. THE HEAT-ADHESIVE RESIN LAYER (3) IS FORMED OF A POLYOLEFIN RESIN, MORE PREFERABLY, OF AN ACID-DENATURED POLYOLEFIN RESIN.(FIGURE 1) |
