| 摘要 |
PURPOSE: A battery facing is provided which prevents short in heat fusing the battery and has improved mechanical properties. CONSTITUTION: The battery facing which covers and seals a battery main body generating an electric current, comprises: (i) a heat-adhesive material layer(31) which is an innermost layer regarding the battery main body and reciprocally adhered to the battery main body when sealing the battery main body and made of at least one selected from the group consisting of polypropylene, ethylene acrylic acid copolymer, an ionomer thereof and ethylene-vinyl acetate copolymer; (ii) a polyethylene terephthalate layer(32); (iii) an aluminum layer(33) which is made of aluminum or alloy thereof and formed on the top of the heat-adhesive material layer; and (iv) an outermost layer(34) which is formed on the top of the aluminum layer and made of polyethylene terephthalate or nylon. |
